Reason-A Technical Journal (Formerly Reason-A Technical Magazine)

Das, Santanu

• An Investigation on Developing a Drilling Burr Prediction Model

Abstract Views :364  |  PDF Views:122

Authors

Sanjib Kundu ¹, Santanu Das ¹, Partha Pratim Saha ¹

Affiliations
1 Department of Mechanical Engineering, Kalyani Government Engineering College, Kalyani, West Bengal 741235, IN

Source

Reason-A Technical Journal (Formerly Reason-A Technical Magazine), Vol 13 (2014), Pagination: 107-117

Abstract

Presence of burr after a manufacturing process is a potential problem. Prediction of burr size in machining plays an important role in process planning. The present work deals with the study and development of a burr height prediction model during machining aluminium alloy, using Response Surface Methodology (RSM). Drilling parameter such as cutting velocity, feed rate and drill diameter are considered in conducting experiments in a radial drilling machine to find out height of burr formed in aluminium alloy flats. By performing ANOVA, it is found that drill diameter is the most significant factor to influence formation of burr height. Combination of process parameters giving small burr height is found out within the experimental constraints. Three-dimensional surface and contour plots show the variation in burr height with different process parameters. A comparison of modeled and experimental results corresponding to a low burr height shows an error of less than 3%.

Keywords

Drilling, Burr Height, RSM, ANOVA, Size Effect.

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• Improving Grindability of Titanium Grade 1 Using a Pneumatic Barrier

Abstract Views :338  |  PDF Views:148

Authors

Bijoy Mandal ¹, Debashis Biswas ¹, Anirban Sarkar ¹, Santanu Das ¹, Simul Banerjee ²

Affiliations
1 Department of Mechanical Engineering, Kalyani Government Engineering College, Kalyani-741235, IN
2 Department of Mechanical Engineering, Jadavpur University, Kolkata-700032, IN

Source

Reason-A Technical Journal (Formerly Reason-A Technical Magazine), Vol 12 (2013), Pagination: 37-45

Abstract

Grinding fluid application is important to control thermal related problems while grinding titanium alloys. Conventional fluid delivery systems are not able to deliver grinding fluid deep into the grinding zone because of the presence of a stiff air layer around a rotating grinding wheel. A newly developed pneumatic barrier system is used in this experimental investigation to penetrate the air layer so as to deliver fluid into grinding zone. Dry, flood cooling and flood cooling with pneumatic barrier conditions are used to explore the influence of these environmental conditions on grindability of titanium grade 1 workpiece. It is seen that under flood cooling using pneumatic barrier, better grinding performance is obtained than conventional flood cooling condition.

Keywords

Grinding, Pneumatic Barrier, Grinding Fluid, Titanium Alloy, Air Layer.

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• Reducing Shaping Burr by Beveling Exit Edge of 45C8 Steel

Abstract Views :296  |  PDF Views:122

Authors

Partha Pratim Saha ¹, Santanu Das ¹

Affiliations
1 Department of Mechanical Engineering, Kalyani Government Engineering College, Kalyani, Nadia-741 235, West Bengal, IN

Source

Reason-A Technical Journal (Formerly Reason-A Technical Magazine), Vol 12 (2013), Pagination: 52-60

Abstract

Production of high precision components needs constant attention to both the generation of machined surfaces without a burr and undertaking deburring operation. A machining process usually produces burr. In shaping, burr formation occurs when the cutting tool exits the workpiece. Absence of necessary back up support around an edge is the possible reason behind it. Several research works have been done on burr formation mechanism, its minimization, and deburring. A number of experiments is performed in this work on medium carbon steel (45C8) flats in dry condition to note the effects of burr formation on the workpiece with beveled exit edge. The experimental result shows that at 15o edge bevel, negligible burr formation is obtained. Analysis of variance is conducted on the experimental results to find out the relative influence of each process parameter on burr height observed. The regression analysis is also done with the experimental data and the regression equation gives fairly good estimate of experimental results.

Keywords

Machining, Shaping, Edge Beveling, Exit Edge, Burr.

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• Exploring Grindability of Titanium Grade 1 Using Silicon Carbide Wheel

Abstract Views :324  |  PDF Views:158

Authors

Debashis Biswas ¹, Anirban Sarkar ¹, Bijoy Mandal ¹, Santanu Das ¹

Affiliations
1 Department of Mechanical Engineering, Kalyani Government Engineering College, Kalyani-741235, IN

Source

Reason-A Technical Journal (Formerly Reason-A Technical Magazine), Vol 11 (2012), Pagination: 39-46

Abstract

Titanium and its alloys are being increasingly used in aerospace engineering, corrosive fluid pumps, heat exchangers, sea vehicles, etc. However, it is quite difficult to grind for its high chemical reactivity, high strength, high hardenability and low thermal conductivity causing high grinding temperature, wheel loading, wheel material removal, grit wear, etc. Therefore, selection of wheel, wheel speed and fluid for grinding of titanium is important to achieve desirable surface quality. Formation of a stiff air layer is a major constrain restricting the fluid enter the grinding zone. Optimization of a method of grinding fluid application is essential to control thermal problems from interaction of the wheel grains with the work surface. Adopting an appropriate fluid delivery system may enhance grindability of titanium alloy and can reduce environmental pollution. In the present experimental work, surface roughness, grinding forces and grinding chips are observed under the condition of dry, and wet using a compound nozzle. Surface grinding of titanium Grade 1 alloy is done with the use of silicon carbide wheel. It is found out that grinding under wet with compound nozzle fluid delivery system exhibits fairly good grindability.

Keywords

Surface Grinding, Compound Nozzle, Titanium Alloy, Silicon Carbide Wheel.

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• Selection of Process Parameters for Welding P91 Steel Pipes Using the Analytic Hierarchy Process

Abstract Views :320  |  PDF Views:120

Authors

Nipun Biswas ¹, Santanu Das ¹

Affiliations
1 Department of Mechanical Engineering, Kalyani Government Engineering College, Kalyani-741 235, Dist. Nadia, West Bengal, IN

Source

Reason-A Technical Journal (Formerly Reason-A Technical Magazine), Vol 10 (2011), Pagination: 7-12

Abstract

Many new materials have been developed to render efficient service in power utilities under increased duty conditions. In this work, optimal parameters for welding P91 steel pipes are tried to find out. Welding tests are performed utilizing varying processes and process steps. First, gas tungsten arc welding (GTAW) process is used to make ischolar_main welding and to fill the weld zone. Next, shielded metal arc welding (SMAW) is done. In each of these processes, process parameters are optimised using the Anal\ytic Hierarchy Process (AHP). It is observed that at the welding voltage of 15 Volt, welding current of 110 Amp and 40.5 mm/min weld speed, GTAW gives sound weld, while at a welding voltage of 24 Volt, 85 Amp welding current and 35 mm/min weld speed, flawless welding is obtained with SMAW process for P91 steel pipes.

Keywords

Welding, Pipe Welding, P91 Steel, GTAW, SMAW, AHP, Analytic Hierarchy Process.

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• Developments in Weld Cladding

Abstract Views :356  |  PDF Views:171

Authors

Dipankar Das ¹, Santanu Das ²

Affiliations
1 S.M.I.T., Guptipara, Hooghly – 712512, IN
2 Dept. of Mechanical Engineering, Kalyani Government Engineering College, Kalyani- 741 235, IN

Source

Reason-A Technical Journal (Formerly Reason-A Technical Magazine), Vol 10 (2011), Pagination: 13-16

Abstract

Weld cladding is a process of depositing a relatively thick layer of filler material of approximately 3mm on the base metal through welding so as to develop surfaces with desired properties. Cladding is usually done to increase the corrosion resistance, wear resistance or hardness of such base metals having inferior properties. Cladding improves the service life of engineering components, and also reduces their cost. In this paper, various weld cladding technique, and effect of process parameters on clad quality including microstructure, mechanical and other cladding properties are discussed.

Keywords

Weld Cladding, Cladding, Clad Bead, Dilution, Microstructure, Corrosion Resistance.

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• Comparative Study of force Analysis and Heat Generation in Grinding

Abstract Views :317  |  PDF Views:121

Authors

Arup Kr. Biswas ¹, Santanu Das ¹

Affiliations
1 Department of Mechanical Engineering, Kalyani Govt. Engineering College, Kalyani- 741 235, West Bengal, IN

Source

Reason-A Technical Journal (Formerly Reason-A Technical Magazine), Vol 10 (2011), Pagination: 17-20

Abstract

Heat generation in grinding process is a complicated phenomenon compared to other metal cutting processes. High specific energy is required in grinding in contrast to other machining processes. Before analyzing heat generation process, detailed force analysis is needed as forces play an important role for calculating specific energy in grinding. Several authors have worked on the force models in different ways. Due to plastic deformation and rubbing action, both temperature of the job and grinding wheel becomes very high. This high temperature causes burn, crack formation and tensile residual stress in the job. Two comparative force models and temperature analysis of the job have been presented in this paper. The temperature equation may be solved either by numerical process or some other methods to depict the temperature distribution inside the job.

Keywords

Grinding, Modeling, Work Fraction, Specific Energy, Force, Temperature.

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• Towards Minimization of Foot formation of EN25 Steel Flats

Abstract Views :312  |  PDF Views:126

Authors

Partha Pratim Saha ¹, Santanu Das ¹

Affiliations
1 Department of Mechanical Engineering, Kalyani Government Engineering College, Kalyani 741 235, West Bengal, IN

Source

Reason-A Technical Journal (Formerly Reason-A Technical Magazine), Vol 10 (2011), Pagination: 27-30

Abstract

Foot formation in the workpiece during shaping operation is not favourable with early tool fracture, when a cutter exits the workpiece edge. Foot formation occurs due to gradual rotation of the positive shear plane to the negative shear plane about a pivot point. A number of tests in shaping operation is done in the present work on nickel chrome steel (En25) flats. Experiments are carried out in dry environment under different cutting velocities, rake angles and exit edge bevel angles to note the effect of foot formation. Experimental results are analyzed through ANOVA to find out the significance of the effect of cutting parameters and exit edge bevel angle to minimize the foot formation. It is observed foot formation that an exit edge bevel angle has the most significant effect. An exit edge bevel angle of 150 is recommended in orthogonal shaping operation when no foot formation is found.

Keywords

Shaping, Edge Beveling, Foot formation, Shear Plane, ANOVA.

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• Recent Research Works on Burr Minimization in Milling

Abstract Views :311  |  PDF Views:120

Authors

Bhaskar Chakrabarti ¹, Santanu Das ²

Affiliations
1 Mechanical Engineering Department, S.M.I.T. (Diploma Engineering Division), Guptipara, Hooghly, West Bengal, IN
2 Mechanical Engineering Department, Kalyani Government Engineering College, Kalyani, Nadia, West Bengal, IN

Source

Reason-A Technical Journal (Formerly Reason-A Technical Magazine), Vol 10 (2011), Pagination: 31-36

Abstract

A burr is an undesirable projection of material formed in machined parts that makes handling as well as assembly of mechanical components difficult, and hence, it needs be subsequently removed, or its formation needs be suppressed to allow the parts to meet desired tolerances, thus, need of deburring will either not be required, or needed to a less extent. A brief overview of techniques to minimize formation of milling burrs is made in this paper.

Keywords

Milling, Burr, In-Plane Exit Angle, Edge Beveling, Control of Burr.

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• Coolants and their Role in Grinding

Abstract Views :355  |  PDF Views:120

Authors

Sirsendu Mahata ¹, Jayanta Mistri ¹, Bijoy Mandal ¹, Santanu Das ¹

Affiliations
1 Dept. of Mechanical Engineering, Kalyani Government Engineering College, Kalyani-741 235, IN

Source

Reason-A Technical Journal (Formerly Reason-A Technical Magazine), Vol 10 (2011), Pagination: 41-44

Abstract

Coolants play a decisive role in grinding because of the intense heat generation and the consequent thermal damage associated with the process. Different types of coolants with varying and diverse compositions are used for grinding different types of work material in order to reduce the heat generated due to friction and to carry away the heat produced as well as for efficient swarf disposal. The present paper aims at discussing about the different types and composition of coolants used in grinding. The mechanism of action of coolants, their application on different workpiece materials and their functions are also discussed in the paper.

Keywords

Coolant, Lubrication, Grinding.

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• A Brief overview on Cladding Techniques with a Reference to Weld Cladding Using Gas Metal Arc Welding

Abstract Views :630  |  PDF Views:194

Authors

Anup Kumar Verma ¹, Santanu Das ¹

Affiliations
1 Department of Mechanical Engineering, Kalyani Government Engineering College, Kalyani-741235, IN

Source

Reason-A Technical Journal (Formerly Reason-A Technical Magazine), Vol 10 (2011), Pagination: 45-48

Abstract

Components working in a corrosive environment get corroded, and wear out fast.It requires frequent repairing or replacement. This results in low service life of the system, and adds to the capital cost. To overcome this problem, certain surface treatment technologies are used to improve surface properties of components working in corrosive environment. Cladding is one of the surface treatment techniques.Thermal spraying, laser-based methods, and arc welding are the techniques usually used for cladding. Among various arc welding techniques, gas metal arc welding (GMAW) process offers cost effective good quality weld clad. In this paper, a brief overview of different cladding techniques is made with a special reference to GMAW based cladding.

Keywords

Surface Treatment, Cladding, GMAW.

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• An overview on Burr Formation, its Minimization and Deburring Processes

Abstract Views :327  |  PDF Views:150

Authors

Arka Dey ¹, Santanu Das ¹

Affiliations
1 Department of Mechanical Engineering, Kalyani Government Engineering College, Kalyani, Nadia-741235, IN

Source

Reason-A Technical Journal (Formerly Reason-A Technical Magazine), Vol 10 (2011), Pagination: 49-54

Abstract

Burr formed in machining is one of the productivity killers of modern era. Formation of burr leads to many hazardous conditions for the workers, and affects the product cost. As deburring is an additional process incurring extra cost, it is preferable to minimize burr formation than deburring; but, in many cases, there is no other option left but to deburr the required machined product to get burr free product. There are several deburring processes available and used according to the need of the desired product.

Keywords

Burr, Burr formation, Burr minimization, Deburring.

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• Exploring Milling Burr formation under Different Tool Exit Angles

Abstract Views :423  |  PDF Views:119

Authors

Arijit Patra ¹, Arijit Hawladar ¹, Sanjay Samanta ¹, Santanu Das ¹

Affiliations
1 Department of Mechanical Engineering, Kalyani Govt. Engineering College, Kalyani-741235, West Bengal, IN

Source

Reason-A Technical Journal (Formerly Reason-A Technical Magazine), Vol 14 (2015), Pagination: 37-44

Abstract

A burr creates problem while aligning components in assembly stage and may be harmful to an operator. So, any machining operation needs control of this type of unwanted projection. As an additional deburring process is often required to remove burr, it is likely to increase production time and cost. The aim of this work is to investigate influence of different parameters on burr formation on aluminium block during slot milling. A condition would be recommended at which quite less, or no burr, occurs. Two sets of experiments are done in this work. Experiment set I is carried out at varying tool exit angles, while experiment set II is performed under varying feed. It is observed from experiment set I that at 60° and 90° tool exit angle, burr height is a bit small. When feed is 0.12 mm/ tooth at experiment set II, no burr is observed.

Keywords

Milling Burr, Tool Exit Angle, Burr Height, Machining, Milling, Burr Reduction.

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References

• Gillespie, L. K., Burr down, Cutting Tool Engineering Magazine, Vol. 58(12), 2006.
• Saha, P.P., Das, D., Das, S., Effect of Edge Beveling on Burr Formation in Face Milling, Proceedings of the 35^th International MATADOR Conference, Taiwan, pp.199-202, 2007.
• Tripathi, S. and Dornfeld, D., Review of Geometric Solutions for Milling Burr Prediction and Minimization, Proceedings of the 7th International Conference, Berkeley, CA, pp. 210-208, 2004.
• Lee, S. H. and Dornfeld D., Prediction of Burr Formation during Face Milling Using an Artificial
• Neural Network with Optimized Cutting Conditions, Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture, Vol. 221, pp. 1705-1714, 2007.
• Avila, Miguel, C., Dornfeld, D., David, A., On the Face Milling Burr Formation Mechanisms and Minimization Strategies at High Tool Engagement, Proceedings of the International Conference on Deburring and Edge Finishing, UC Berkeley, pp. 191-200, 2004.
• Dornfeld, D., Strategies for Preventing and Minimizing Burr Formation, Laboratory for Manufacturing and Sustainability, UC Berkeley, 2004.
• Narayanaswami, R and Dornfeld. D, Burr Minimization in Face Milling: A Geometrical Approach, Transactions of the American Society of Mechanical Engineers, Journal of Engineering for Industry, Vol. 119, No. 2, pp.170-177, 1997.
• Hashimura, M., Chang, Y. P and Dornfeld, D.A., Analysis of Burr Formation Mechanism in Orthogonal Cutting, Transactions of the American Society of Mechanical Engineers, Journal of Engineering for Industry, Vol. 121, No. 1, pp.1-7, 1999
• Gillespie, L. and Blotter, P., Formation and Properties of Machining Burrs, Transactions of the American Society of Mechanical Engineers, Journal of Engineering for Industry, Vol. 98, No.1, pp.66-74, 1976.
• Aurich, J.C., Dornfeld, D., Arrazola, P.J., Franke V., Leitz, L., Min, S., Burrs- Analysis, Control and Removal, CIRP Annals-Manufacturing Technology, Vol.58, pp.519–542, 2009.
• Pratim, S.P. and Das, S., Burr minimization in face milling: an edge beveling approach, Proceeding of Institution of Mechanical Engineers, Part B: Journal for Engineering Manufacture, Vol. 225, pp. 1347-1355, 2011.
• Silva, J.D., Saramago, S.F.P., Machado A.R., Optimization of the cutting conditions(V_C, fz and doc) for Burr minimization in face milling of mould steel, Journal of Brazilian Society Of Mechanical Science and Engineering, Vol. 31, pp.151-160, 2009.
• Machodo, A.R., Kaminise, A.K., Silva, M.B., Arija M. R. G., Study on burr formation in turning, 17^th international Congress of Mechanical Engineering, Proceeding of COBEM.2003.
• Saha, PP. and Das, S ,Minimization of exit burr in face milling of medium carbon steel by exit edge beveling, Production Engineering; Research and Development. Vol. 8, pp.469-476, 2014.
• Das, A., Mondal, P., Samanta, S., Das, S. and Mahata, S., Burr Minimization in Milling: Through Proper Selection of In-Plane Exit Angle, Journal of Association of Engineers, Vol. 81, pp. 38-47, 2011.
• Saha, P.P. and Das, S., An Investigation on the Effect of Machining Parameters and Exit Edge Beveling on Burr Formation in Milling, Journal of Mechatronics and Intelligent Manufacturing, Vol. 2, pp.73-84, 2011.
• Wyen, C. F., Jaeger, D., and Wegener, K., Influence of cutting edge radius on surface integrity and burr formation in milling titanium, International Journal Advance Manufacturing Technology, Vol.67, pp.589–599, 2013.
• Heisel, U., Schaal, M. and Wolf, G., Burr Formation in milling with minimum quantity lubrication, Production Engineering; Research and Development, Vol. 3, pp. 23–30, 2009.
• Wang, G.C., Zhu, Y.M. Zhang, C.Y., Pei, H.J., Li, Q.F., Formation and control of burrs in precision machining, International Journal of Computer Applications in Technology, Vol. 29, pp. 239-242, 2007.
• Deng, W.J., Xia, W. and Tang, Y., Finite element simulation for burr formation near the exit of orthogonal cutting, International Journal Advance Manufacturing Technology, Vol. 43, pp.1035–1045, 2009.
• Lin, T R., Experimental study of burr formation and tool chipping in the face milling of stainless steel, Journal of Materials Processing Technology, Vol.108, pp.12-20, 2000.
• Park I.W. and Dornfeld D.A., A Study of Burr Formation Processes Using the Finite Element Method: Part I, Journal of Engineering Materials and Technology, Vol. 122, pp.221-228, 2000.
• Samuel, J., Dikshit, A., DeVor, R.E., Kapoor, S.G., Hsia K.J., Effect of Carbon Nanotube (CNT) Loading on the Thermomechanical Properties and the Machinability of CNT-Reinforced Polymer Composites, Journal of Manufacturing Science and Engineering, Vol. 131(3), pp. 031008-1-9, 2009.
• Chern, G.L., Experimental observation and analysis of burr formation mechanisms in face milling of aluminum alloys, International Journal of Machine Tools & Manufacture, Vol. 46, pp.1517–1525, 2006.
• Saha, P.P., Das, A. and Das, S., On Reduction of Formation of Burr in Face Milling of 45C8 Steels, Journal of Materials and Manufacturing Processes, Vol. 28, pp. 1–6, 2013.

• From the Editor's Desk

Abstract Views :232  |  PDF Views:114

Authors

Santanu Das ¹

Affiliations
1 Kalyani, Nadia, IN

Source

Reason-A Technical Journal (Formerly Reason-A Technical Magazine), Vol 9 (2010), Pagination: 

Abstract

The 9th volume of 'REASON', the Technical Magazine of Kalyani Government Engineering College, is being published shortly. The 1st issue of 'REASON' was published in 2000. Quality articles and research papers have been included in this magazine in each of its issues. In this ninth volume (combined 2009 & 2010 issue), the standard of 'REASON' has been tried to improve further.

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• Workpiece Edge Beveling to Control Formation of Burr in Face Milling

Abstract Views :195  |  PDF Views:105

Authors

Partha Pratim Saha ¹, Dipankar Das ¹, Santanu Das ¹

Affiliations
1 Dept. of Mechanical Engineering, Kalyani Government Engineering College, Kalyani-741 235, IN

Source

Reason-A Technical Journal (Formerly Reason-A Technical Magazine), Vol 8 (2008), Pagination: 12-16

Abstract

Presence of burr at the edge of finished workpiece often leads to difficulty in assembly operation and injury to operator necessitating incorporation of additional processes of deburring. Exit burr formation by milling usually occurs when cutter moves out of the work piece. One method for minimizing this problem is to prevent the tool from exiting the workpiece while removing material. Burr formation can also be reduced considerably by edge beveling of the workpiece. In the present work, the influence of beveling the exit edge of the workpiece on the burr formation in milling has been experimentally investigated to find out the optimum condition to control the formation of burr.

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• Improving Grinding Performance through Optimum Cutting Fluid Application

Abstract Views :190  |  PDF Views:111

Authors

Bijoy Mandal ¹, Debashis Biswas ², Anirban Sarkar ², Santanu Das ²

Affiliations
1 Department of Mechanical Engineering, Kalyani Government Engineering College, Kalyani, IN
2 Department of Mechanical Engineering, Kalyani Government Engineering College, Kalyani - 741 235, IN

Source

Reason-A Technical Journal (Formerly Reason-A Technical Magazine), Vol 9 (2010), Pagination: 29-33

Abstract

Study of chips favours judging the performance of machining and grinding Different kinds of chip formation are related to specific energy consumptions, heat produce, etc. The nature of the chip forming process is extremely vanable and depends upon the metallurgical aspect of the tool-work pair, un-deformed chip thickness, rake angle, cutting temperature, sharpness of the tool, etc Observation of chip formation during grinding of a specific matenal may facilitate determine the appropriate wheel speed, table feed and infeed for efficient grinding in this experimental study, grinding chips under different infeeds and environmental conditions have been investigated for low carbon steel specimens Good grinding performance has been achieved when water-soluble oil is used as a grinding fluid with pneumatic barrier set up.

Keywords

Grinding Chips, Surface Grinding, Surface Quality, Pneumatic Barner.

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• An overview on Drills and its Geometry

Abstract Views :242  |  PDF Views:106

Authors

Atanu Das ¹, Santanu Das ¹

Affiliations
1 Department of Mechanical Engineering, Kalyani Government Engineering College, Kalyani, IN

Source

Reason-A Technical Journal (Formerly Reason-A Technical Magazine), Vol 9 (2010), Pagination: 34-37

Abstract

Drilling is a machining process in which a hole is originated or enlarged by means of a multipoint, fluted, end cutting tool As the drill rotates and enters the workpiece, material is removed in the form of chips along the fluted shank of the drill The effectiveness and overall economy of drilling depend on the type of cutting tool, and way of use Simple geometrical modifications at the cutting edge can help achieve significant improvement in machinability, and hence its efficiency and economy In this paper, an overview is made on the advancement of drilling process and geometry of the drill bit.

Keywords

Drill Drill Geometry, Tool Material, Drill Modification.

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• Cladding - a Modern Technique to Produce Corrosion Resistant Surfaces

Abstract Views :183  |  PDF Views:112

Authors

Bhaskar Chakrabarti ¹, Santanu Das ¹

Affiliations
1 Department of Mechanical Engineering, Kalyani Government Engineering College, Kalyani, IN

Source

Reason-A Technical Journal (Formerly Reason-A Technical Magazine), Vol 9 (2010), Pagination: 44-47

Abstract

Weld cladding is a process of depositing thick layer of corrosion resistant material usually over carbon steel plates to improve its corrosion resistance properties and main problem faced in stainless steel cladding is 4he selection of process parameters for achieving the required clad bead geometry and its shape relationships Different categories of stainless steels are employed as the cladding material However, mechanical and corrosion resistant properties of cladded components depend on the clad bead geometry Therefore, it is essential to study the effect of process parameters on the bead geometry to enable effective control of these parameters Iron - aluminum-based weld cladding is also used as corrosion resistant coatings for boiler tubes in coal-fired power plants Although these alloys have excellent high-temperature corrosion resistance, Fe-Al weld cladding is susceptible to hydrogen embrittlement cracking at elevated aluminum concentrations Addition of chromium to iron aluminum alloys have been found to improve corrosion resistance, and could potentially increase the service life of the coating In this paper a brief review on this technique is presented.

Keywords

GMAW, Weld Bead Parameters, Dilution, Hydrogen Embrittlement, Corrosion Resistance.

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• Laser Welding and its Applications

Abstract Views :197  |  PDF Views:114

Authors

Bikash Panja ¹, Santanu Das ¹

Affiliations
1 Department of Mechanical Engineering, Kalyani Government Engineering College, Kalyani, IN

Source

Reason-A Technical Journal (Formerly Reason-A Technical Magazine), Vol 9 (2010), Pagination: 48-52

Abstract

The laser has introduced optical radiant energy as a new form of energy for industry. Laser welding offers high speed, with high joint efficiency to produce high quality weld. It can be delivered in pulse mode or continuously, to control the heat input, and hence, the heat affected zone, or the temperature near heat sensitive items. The energy can be delivered through transparent media for underwater welding. It can be used with a filler system for the thick section welding, and also it can be transmitted through air, vacuum or fibre. In the present paper, some issues on laser welding and its applications are reviewed.

Keywords

Welding, Laser, LBW, Applications, Typical Issues.

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• A Brief overview on the History of Development of Machine Tools

Abstract Views :407  |  PDF Views:209

Authors

Santanu Das ¹

Affiliations
1 Department of Mechanical Engineering, Kalyani Government Engineering College, Kalyani - 741235, West Bengal, IN

Source

Reason-A Technical Journal (Formerly Reason-A Technical Magazine), Vol 9 (2010), Pagination: 53-59

Abstract

At present, wide variety of machine tools are employed in manufacturing. If one tries to find out the chronological development of the machine tools, the practice of ancient man in Paleolithic or Neolithic age to protect himself or to kill animals is to be looked at; the use of stones and the technic of sharpening the same may be considered to be the beginning of cutting tools - essential component of the machining process. Over the ages, metals and alloys are discovered and newer materials developed; use of different kind of energy is facilitated. Availability of electrical energy causes a revolution in the human civilization, and different machine tools with various cutting tools are developed for processing materials with high productivity to manufacture wide range of components. Application of electronics and computers make the machine tools with high precision and easy to control, maintaining high degree of repeatability. In the present paper, a brief overview is made on the history of development of mainly machining machine tools by dividing into four different periods of civilization of human beings, namely stone age, pre-steam engine period, post-steam engine period and age of electricity.

Keywords

History of Machine Tools, Periods of Development, Machining, Cutting Tool, Automation.

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• From the Editors’ Desk

Abstract Views :205  |  PDF Views:103

Authors

Satyendranath Mandal ¹, Santanu Das ¹

Affiliations
1 Kalyani, Nadia, IN

Source

Reason-A Technical Journal (Formerly Reason-A Technical Magazine), Vol 8 (2008), Pagination: 

Abstract

It is a matter of immense pleasure that the 8th volume of the Technical Magazine of Kalyani Government Engineering College, named 'REASON', is being published shortly. Starting from the 1st issue of 'REASON'published in 2000, quality articles and research papers have been ineluded in this publication in each of its issues.

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• Few Advances in Milling Cutters

Abstract Views :220  |  PDF Views:116

Authors

Satyajit Chatterjee ¹, Santanu Das ¹

Affiliations
1 Dept. of Mechanical Engineering, Kalyani Government Engineering College, Kalyani - 741235, IN

Source

Reason-A Technical Journal (Formerly Reason-A Technical Magazine), Vol 6 (2005), Pagination: 1-7

Abstract

Machining or metal removal processes refer to the removal of certain selected areas from a part to obtain desired shape, finish and integrity. Chips are formed by interaction of a cutting tool (wedge shaped) with the material being machined. The cutting tool is mounted on a machine tool that provides the required movements of the tool relative to the work to accomplish the process desired.

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• Observation of Chip Formation in Different Tool Conditions and Cutting Parameters

Abstract Views :327  |  PDF Views:106

Authors

Bijoy Mandal ¹, Santanu Das ²

Affiliations
1 Kalyani Government Engineering College, Kalyani-741235, IN
2 Dept. of Mechanical Engineering, Kalyani Government Engineering College, Kalyani-741235, IN

Source

Reason-A Technical Journal (Formerly Reason-A Technical Magazine), Vol 7 (2006), Pagination: 13-18

Abstract

Metal cutting is a machining process in which a finished surface of desired size, shape, accuracy or finish is obtained by separating the excess layers of material in the form of chips with the aid of a wedge-shaped device called cutting tool. For metal cutting, it is important to optimise surface finish, workpiece accuracy, tool-life monitoring and high productivity.

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• A Study on Loosening Characteristics of Threaded Fasteners

Abstract Views :303  |  PDF Views:125

Authors

Avijit Sen ¹, Santanu Das ¹, Anirban Bhattacharya ¹

Affiliations
1 Kalyani Government Engineering College, Kalyani - 741 235, IN

Source

Reason-A Technical Journal (Formerly Reason-A Technical Magazine), Vol 7 (2006), Pagination: 24-32

Abstract

Screw fasteners are undoubtedly one of the greatest innovations, which human beings have ever developed. The outstanding feature of the screw fastener is that, they have been the best method for temporary joining of machine elements due to their simple design and they provide a high clamping force using a very simple tool.

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• Finding out an Efficient Anti-Loosening Bolt

Abstract Views :191  |  PDF Views:127

Authors

Souvik Choudhary ¹, Sandip Kumar Nath ¹, Anirban Bhattacharya ¹, Sumanta Banerjee ¹, Santanu Das ¹

Affiliations
1 Dept. of Mechanical Engineering, IN

Source

Reason-A Technical Journal (Formerly Reason-A Technical Magazine), Vol 3 (2002), Pagination: 9-12

Abstract

Some machine parts are essentially constructed in such a way that they may be readily connected or disconnected without making any damage to the machine components or the fasteners. This is needed for the purpose of holding, adjustment, servicing, inspection, replacement, etc. These requirements are most adeptly fulfilled by the use of screw fasteners.

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• Advances and Recent Trends in Grinding Technology

Abstract Views :351  |  PDF Views:141

Authors

Santanu Das ¹

Affiliations
1 Mechanical Engineering, IN

Source

Reason-A Technical Journal (Formerly Reason-A Technical Magazine), Vol 4 (2003), Pagination: 18-20

Abstract

Grinding is a well known and widely used engineering process to finish different materials with high dimensional accuracy and good surface finish. Contrary to the conventional machining operations, cutting velocity used in grinding is quite high, whereas feed and depth of cut employed in grinding are very low. Another important fact is that the grinding wheel is made of mainly with large numbers of abrasive particles like alumina, silicon carbide, etc. bonded firmly with appropriate bonding materials like vitrified bond resins, rubber, shellac, etc.

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• From the Editor's Desk

Abstract Views :386  |  PDF Views:125

Authors

Santanu Das

Source

Reason-A Technical Journal (Formerly Reason-A Technical Magazine), Vol 10 (2011), Pagination: 

Abstract

Since the year of 1999, 'Reason'-A Technical Magazine of Kalyani Government Engineering College, is being brought but by Kalyani Government Engineering College, Kalyani. While publishing this tenth issue, 'Reason' has achieved a distinction by getting it registered, and it has obtained an international Standard Serial Number (ISSN). With this ISSN 2277-1654, "Reason - A Technical Magazine" may well be recognized as a journal publication. This surely adds a laurel to the feather of this institute of repute.

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• From the Desk of the Editor

Abstract Views :306  |  PDF Views:110

Authors

Santanu Das

Source

Reason-A Technical Journal (Formerly Reason-A Technical Magazine), Vol 11 (2012), Pagination: 

Abstract

After obtaining the International Standard Serial Number (ISSN) for Reason - A technical Magazine in 2011, it was a challenging task to the Editor to get this publication transformed into a standard Journal from an internal publication of the college that had been started in 1999. The Editor was involved in forming the Editorial Board members who are from different institutions of repute.

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• From the Desk of the Editor

Abstract Views :342  |  PDF Views:105

Authors

Santanu Das

Source

Reason-A Technical Journal (Formerly Reason-A Technical Magazine), Vol 12 (2013), Pagination: 0-0

Abstract

Twelfth issue of Reason-2013 is being published with a new name-Reason - A Technical Journal. This is done after obtaining the clearance from the authority of International Standard Serial Number (ISSN). Previous eleven issues of this publication of Kalyani Government Engineering College, Kalyani were published in the name of Reason - A Technical Magazine in 2011, it received the ISSN. Thus, one Yuga of publishing Reason is getting over with this issue.

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• From the Desk of the Editor

Abstract Views :350  |  PDF Views:125

Authors

Santanu Das

Source

Reason-A Technical Journal (Formerly Reason-A Technical Magazine), Vol 13 (2014), Pagination: 

Abstract

First, Wish You All a Happy and Warm New Year 2015!

Thirteenth issue of Reason-2014 is now ready to publish. Hope, by the first week of next month, publication process will be completed. Papers being published in this issue are from different areas-from Environmental Science and Engineering through Manufacturing Technology, Bio-Medical Engineering to Decision Making System. Hope readers will find the articles interesting.

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• From the Desk of the Editor

Abstract Views :365  |  PDF Views:121

Authors

Santanu Das

Source

Reason-A Technical Journal (Formerly Reason-A Technical Magazine), Vol 14 (2015), Pagination: 

Abstract

Fourteenth issue of Reason-2015 is by this time ready to publish and steps are being taken to complete the publication process within this March 2016. This issue contains research papers from diverse areas-starting from sedimentation of a river in the Sunderbans through structural engineering, manufacturing Technology, control engineering, communication engineering, electrical engineering, image processing, data analysis with regard to teachers' training to prediction of success of Bollywood movies! Hope readers will find the articles interesting, and would get enthralled into doing further research in some of these areas.

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• From the Desk of the Editor

Abstract Views :434  |  PDF Views:116

Authors

Santanu Das

Source

Reason-A Technical Journal (Formerly Reason-A Technical Magazine), Vol 15 (2016), Pagination: 

Abstract

Fifteenth issue of Reason-2016 is being published a bit late amidst lushing green surroundings in the rainy season 2017. In this issue, articles from diverse areas are included. There are case studies, research findings, etc. of different areas of engineering, technology, applied science and management areas. Papers are on ‘development of learning units for high speed finishing lines’, ‘gene regulatory networks’, ‘hydrodynamic journal bearing’, ‘finger print recognition’, ‘burr height’, ‘simulation of supercritical bend flow’, ‘sedimentation in Thakuran River’, ‘assessment of electrical energy consumption’, ‘cooperative multi swarm optimization’, ‘optimization of scheduling’, ‘duplex stainless steel cladding’ and ‘MEMS based bragg grating pressure sensor”.

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• On The Variation of Hardness of Duplex Stainless Steel Clad Layer Deposited By Flux-Cored-Cored Arc Welding

Abstract Views :565  |  PDF Views:160

Authors

Manas Kumar Saha ¹, Ajit Mondal ², Ritesh Hazra ³, Santanu Das ²

Affiliations
1 Department of Mechanical Engineering, Kalyani Government Engineering College, Kalyani-741235, West Bengal, IN
2 Department of Mechanical Engineering, Kalyani Govt. Engineering College, Kalyani- 741235, Nadia, West Bengal, IN
3 Bankura Unnayani Institute of Engineering, Bankura, West Bengal, IN

Source

Reason-A Technical Journal (Formerly Reason-A Technical Magazine), Vol 15 (2016), Pagination: 1-6

Abstract

By cladding, one refers deposition of a relatively thick metal layer onto a cheap grade base material to protect it against severe abrasive / erosive /corrosive working condition. Enhancing hardness of a surface through cladding is given the name hardfacing. In this investigation, FCAW (Flux-Cored Arc Welding) cladding is performed using fluxed-core duplex stainless steel electrode onto low alloy steel substrate using 100% CO2 as the shielding gas. Different values of welding current and welding voltage were selected for the experiment in such a way that 3 sets of constant heat input were maintained. Welding torch travel speed was kept constant throughout the experiment. Hardness test results revealed much improved hardness of the clad part compared to that of the base material. Only slight change in hardness can be noticed under varying weld current when heat input remains the same.

Keywords

Cladding, Hardfacing, FCAW, Heat Input, Process Parameters, Hardness.

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References

• Nadkarni, S.V., Modern Arc Welding Technology, Oxford & IBH Publishing Co. Pvt. Ltd, India, 1988.
• Saha, M. K. and Das, S., A Review on Different Cladding Techniques Employed to Resist Corrosion, Journal of the Association of Engineers, India, Vol. 86, pp. 51-64, 2016.
• Ibrahim, B.T., Yawas, D.S. and Aku, S. Y., Effects of Gas Metal Arc Welding Techniques on the Mechanical Properties of Duplex Stainless Steel, Journal of Minerals and Materials Characterization and Engineering, Vol. 1, pp. 222-230, 2013.
• Mondal, A., Saha, M.K. and Hazra, R., Observation of Bead-on-plate Welds with Duplex Stainless Steel Wire Electrode in GMAW, Proceedings of the National Conference on RASEM, Santiniketan, West Bengal, India, 2016.
• Verma, A. K., Biswas, B. C., Roy, P., De, S., Saren, S. and Das, S., On The Effectiveness of Duplex Stainless Steel Cladding Deposited by Gas Metal Arc Welding, e-Proceedings of the International Conference (IIWIC 2014), 67th Annual Assembly of the International Institute of Welding, Seoul, Korea, 2014.
• Verma, A. K., Biswas, B. C., Roy, P., De, S., Saren, S. and Das, S., Exploring Quality of Austenitic Stainless Steel Clad Layer Obtained by Metal Active Gas Welding, Indian Science Cruiser, Vol.27, No.4, pp.24-29, 2013.
• Chakraborty, B., Das, H., Das, S. and Pal, T.K., Effect of Process Parameters on Clad Quality of Duplex Stainless Steel Using GMAW Process, Transaction of the Indian Institute of Metals, Vol.66, No. 3, pp.221-230, 2013.
• Mondal, A., Saha, M. K., Hazra, R. and Das, S., Influence of Heat Input on Weld Bead Geometry Using Duplex Stainless Steel Wire Electrode on Low Alloy Steel Specimens, Cogent Engineering, Vol. 3, No. 1, pp. 1143598/1-14, 2015.
• Palani, P. K. and Murugan, N., Development of Mathematical Models for Prediction of Weld bead Geometry in Cladding by Flux Cored Arc Welding, International Journal Advance Manufacturing Technology, Vol.30, pp.669676, 2006.
• Sathishkumar, S., Suresh, A.V., Krishna, M., Banukiran, V.T. and Nagamadhu, M., Development & Characterization of an Electrode Deposition Procedure for Crack Free Hardfacing of Low Carbon Steel, International Journal of Industrial Engineering and Technology, Vol. 4, No. 2, pp. 95-106, 2012.
• Khara, B., Mandal, N.D., Sarkar, A., Sarkar, M., Chakrabarti, B. and Das, S., Weld Cladding With Austenitic Stainless Steel for Imparting Corrosion Resistance, Indian Welding Journal, Vol.49, No. 1, pp. 75-81, 2016.
• Buchanan, V.E., Shipway, P.H. and McCartney, D.G., Microstructure and Abrasive Wear Behaviour of Shielded Arc Welding Hardfacings Used in the Sugarcane Industry, Wear,Vol.263, pp. 99110, 2007.
• Gualco, A.H., Svoboda, G., Surian, E.S. and de Vedia, L.A., Effect of Welding Procedure on Wear Behavior of Modified Martensitic Tool Steel Hardfacing Deposit, Materials & Design, Vol. 31, No. 9, pp. 4165-4173, 2010.
• Charles, J., Duplex Stainless Steels: A Review, Proceedings of the Conference on Duplex Stainless Steel 2007,Grado, Italy, http://www.aperam.com/uploads/ stainlesseurope/ TechnicalPublications/ Duplex_Maastricht_EN-22p-7064Ko.pdf accessed on 18.05.17.

• Effect of Surface Roughness on the Pressure Generation in a Finite Rough Hydrodynamic Journal Bearing under Micropolar Lubrication in Steady-State

Abstract Views :379  |  PDF Views:111

Authors

Gautam Kumar ¹, Sujeet Kumar Jha ², Ujjal Baidya ³, Santanu Das ⁴, Sanjoy Das ³

Affiliations
1 Govt. Polytechnic, Lakhisarai, Bihar, IN
2 Technosoft Electronics Pvt. Ltd., Mumbai, IN
3 Department of Engineering and Technological Studies, University of Kalyani , Kalyani, West Bengal, IN
4 Department of Mechanical Engineering, Kalyani Government Engineering College, Kalyani, West Bengal, IN

Source

Reason-A Technical Journal (Formerly Reason-A Technical Magazine), Vol 15 (2016), Pagination: 39-53

Abstract

In hydrodynamic lubrication of journal bearing pressure of the fluid film is generated as a result of the viscous drag of the fluid into the wedge shaped gap between the journal and bearing due to relative motion of the journal with respect to the bearing. The pressure development of fluid is important in this type of lubrication to ensure performance of journal bearing. On the other hand, every surface has some degree of roughness that affects relative motion of the journal bearing system. This paper, thus, aims to present a detailed study of hydrodynamic pressure built up of a journal bearing including the roughness of the surfaces. The modified Reynolds equation is derived on the basis of theory of micropolar lubrication incorporating suitable roughness model. The resulting equation is solved numerically at steady state operating condition using cavitation boundary condition to observe distribution of pressure. The effects of variations in operating variables in terms of characteristic of lubricant and parameters defining roughness model are computed. The analytical results are compared with the available published results to validate the theory and computer code. The numerical result shows that for same geometrical condition maximum pressure developed in micropolar fluid always remain higher than that in Newtonian fluid. The steady state pressure is found to be decreased as the values of the roughness parameters are increased.

Keywords

Hydrodynamic Bearing, Micropolar Lubrication, Roughness, Steady State, Pressure Profile.

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References

• Eringen, A.C., Theory of Micropolar Fluids, J. Math. Mech., Vol.16, No.1, pp.1-18, 1966.
• Prakash, J. and Sinha, P., Lubrication Theory for Micropolar Fluids and Its Application to a Journal Bearing, Int. J. Engng. Sci., Vol.13, pp.217-232, 1975.
• Tipei, N., Lubrication with Micropolar Liquids and Its Application to Short Bearings, J. Lub. Technol., Trans. ASME, Vol.101, Jul., pp.356-363, 1979.
• Singh, C. and Sinha, P., The ThreeDimensional Reynolds Equation for Micropolar Fluid Lubricated Bearings, Wear, Vol.76, No.2, pp.199-209, 1982.
• Khonsari, M.M. and Brewe, D.E., On the Performance of Finite Journal Bearings Lubricated with Micropolar Fluids, STLE Tribology Transactions, Vol.32, No.2, pp.155–60, 1989.
• Das, S., Steady State and Dynamic Analysis including Stability of Hydrodynamic Journal Bearings with Micropolar Lubrication, Doctoral Thesis, Bengal Engineering and Science University, Shibpur, 2004.
• Hamilton, D.B., Walowit, J.A. and Allen, C.M., A Theory of Lubrication by Microirregularities, J. Basic Engng., Trans ASME, Ser. D., Vol.88, No.1, pp.177–185, 1966.
• Christensen, H., Stochastic Models for Hydrodynamic Lubrication of Rough Surfaces, Proc. Instn. Mech. Engrs., Vol.184, pp.1013–1025, 1969.
• Christensen, H. and Tonder, K., The Hydrodynamic Lubrication of Rough Journal Bearings, Trans. ASME, J. of Lubr. Tech., Series F, April, pp.166–170, 1973.
• Guha, S.K., Analysis of Steady-State Characteristic of Misaligned Hydrodynamic Journal Bearings with Isotropic Roughness Effect, Trib. Int., Vol.33, No.1, pp.1–12, 2000.
• Cheng–I., Weng and Chien-Ru C., Linear Stability of Short Journal Bearings with Consideration of Flow Rheology and Surface Roughness, Trib. Int., Vol.34, No.1, pp.507–516, 2001.
• Rao, P.S. and Agarwal, S., Effect of Surface Roughness on the Hydrodynamic Lubrication of Porous Inclined Slider Bearing Considering Slip Velocity and Squeeze Velocity with Couple Stress Fluids, Int. J. Engng. Sc. and Tech., Vol.6, No.2, pp. 45–64, 2014.
• Mishra, P.C., Analysis of a Rough Elliptic Bore Journal Bearing using Expectancy Model of Roughness Characterization, Trib. in Industry, Vol. 36, No. 2, pp.211– 219, 2014.
• Yan, X-L., Wang, X-L and Zhang, Y-Y., Influence of Roughness Parameters Skewness and Kurtosis on Fatigue Life Under Mixed Elastohydrodynamic Lubrication Point Contacts, J. Tribol., ASME, Vol. 136, No. 3, 2014.
• Floberg, L., Boundary Condition of Cavitation Regions in Journal Bearings, ASLE Trans., Vol.4, pp.282–286, 1961.
• Castelli, V., Stevenson, C.H. and Gunter, E.J., Steady-state Characteristic of Gas lubricated Self-acting Partial-arc Journal Bearings of Finite Width, Trans., ASLE., Vol.7, pp.153–167, 1964.
• Dowson D., Developments in Lubrication – the Thinning Film, J. Phys. D, Appl Phys, Vol.25, Ser.A, pp.334–339, 1992.

• The Variation of Profile of γ-Stainless Steel Weld Bead with a Change of Heat Input

Abstract Views :284  |  PDF Views:108

Authors

Manas Kumar Saha ¹, Lakshmi Narayan Dhara ¹, Santanu Das ¹

Affiliations
1 Mechanical Engineering Department, Kalyani Govt. Engineering College, Kalyani- 741235, West Bengal, IN

Source

Reason-A Technical Journal (Formerly Reason-A Technical Magazine), Vol 16 (2017), Pagination: 46-56

Abstract

Cladding is usually done to protect a surface from corrosive or erosive wearing. Better cladding demands optimum weld bead geometry that should have less penetration giving less dilution. Heat input plays a vital role to produce a weld bead profile characterized by its width, reinforcement and depth of penetration and some shape factors like RFF (reinforcement form factor) and PSF (penetration shape factor). In the present case, 316 austenitic stainless steel bead was produced on E250 low alloy steel by GMAW process using only carbon dioxide as the shielding gas. Nine bead-on-plate samples were produced with nine different heat inputs. Welding voltage was kept constant. Experiments were replicated twice for achieving more reliability. Experimental results showed that width, height and depth of weld bead got lager with larger heat input on the whole. On the contrary, shape factors like reinforcement form factor and penetration shape factor tend to become smaller with larger heat input. Linear regression analysis is carried out to evaluate the relation between heat input and different bead profile components as well as shape factors. ANOVA table suggests the equations proposed by regression analysis are explainable and significant at 95% significant level.

Keywords

Cladding, Welding, Bead-on-Plate, Weld Bead Geometry, Regression Analysis.

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References

• Saha, M.K. and Das, S., Gas Metal Arc Weld Cladding and its Anti-Corrosive Performance- A Brief Review, Athens Journal of Technology and Engineering, Vol.5, No.1, pp.155-174, 2018.
• Conor, L.P., Welding Hand Book, 8th Edition, Vol. 1, American Welding Society, USA, 1987.
• Saha, M.K. and Das, S., A Review on Different Cladding Techniques Employed to Resist Corrosion, Journal of the Association of Engineers, India, Vol. 86, No. 1 & 2, pp.51-63, 2016. DOI: 10.22485/jaei/2016/v86/i1-2/11984
• Verma, A.K., Biswas, B.C., Roy, P., De, S., Saren, S. and Das, S., Exploring Quality of Austenitic Stainless Steel Clad Layer Obtained by Metal Active Gas Welding, Indian Science Cruiser, Vol.27(4), pp.24-29, 2013.
• Kannan, T. and Muguran, N., Effect of Flux Cored Arc Welding Process Parameters on Duplex Stainless Steel Clad Quality, J. of Mat. Proc. Tech., Vol.176, pp.230-239, 2006.
• Verma, A.K., Biswas, B.C., Roy, P., De, S., Saren, S. and Das, S.,On the effectiveness of duplex stainless steel cladding deposited by gas metal arc welding, e-proc. 67th Int. Conf. of Annual Assembly of the Int. Inst. of Welding, Seoul, Korea, 2014.
• Chakraborty, B., Das, H., Das, S. and Pal, T.K., Effect of process parameters on clad quality of duplex stainless steel using GMAW process, Trans. of Ind. Inst. of Metals, Vol.66(3), pp.221-230, 2013.
• Khara, B., Mandal, N.D., Sarkar, A., Sarkar, M., Chakrabarti, B. and Das, S., Weld cladding with austenitic stainless steel for imparting corrosion resistance, Indian Welding Journal, Vol.49(1), pp.7581, 2016.
• Xiong, J., Zhang, G., Hu, J. and Wu, L., Bead geometry prediction for robotic GMAW-based rapid manufacturing through a neural network and a secondorder regression analysis, Journal of Intellectual Manufacturing, Vol.25, pp 157-163, 2014. DOI: 10.1007/s10845012-0682-1
• Jayachandrana, J.A.R. and Murugan, N., Investigations on the Influence of Surfacing Process Parameters over Bead Properties during Stainless Steel Cladding, Materials and Manufacturing Processes, Vol.27, pp.69-77, 2012.
• Datta, S., Bandyopadhyay, A. and Pal, P.K., Grey-based Taguchi method for optimization of bead geometry in submerged arc bead-on-plate welding. The International Journal of Advanced Manufacturing Technology, Vol.39, No.11, pp.1136-1143, 2008. DOI: 10.1007/s00170-007-1283-6.
• Sabiruddin, K., Das, S. and Bhattacharya, A., Application of Analytical Hierarchy Process for Optimization of Process Parameters in GMAW, Indian Welding Journal, Vol.42(1), pp.38-46, 2009.
• Sabiruddin, K., Bhattacharya, S. and Das, S., Selection of Appropriate Process Parameters for Gas Metal Arc Welding of Medium Carbon Steel Specimens, Int. J. for Analytical Hierarchy Process, Vol.5, pp.252-266, 2013.
• Sarkar, A. and Das, S., Application of Grey-based Taguchi Method for Optimizing Gas Metal Arc Welding of Stainless Steel, Indian Welding Journal, Vol.44, pp.37-48, 2011.
• Mondal, A., Saha, M.K., Hazra, R. and Das, S., Influence of Heat Input on Weld Bead Geometry Using Duplex Stainless Steel Wire Electrode on Low Alloy Steel Specimens, Cogent Engineering, Vol.3, No.1, pp.1143598/1-14, 2016.
• Saha, M.K., Hazra, R., Mondal, A. and Das S., Effect of Heat Input on Geometry of Austenitic Stainless Steel Weld Bead on Low Carbon Steel, Journal of The Institution of Engineers (India), Series C, 2018. DOI 10.1007/s40032-018-0461-7.

• Optimization of Process Parameters for GMAW of High Carbon Steel using TOPSIS

Abstract Views :303  |  PDF Views:138

Authors

Subhajit Bhattacharya ¹, Kazi Sabiruddin ², Santanu Das ³

Affiliations
1 Department of Mechanical Engineering, Dr. B.C. Roy Engineering College, Durgapur, Duragpur - 713206, West Bengal, IN
2 Department of Mechanical Engineering, Indian Institute of Technology, Indore - 453331, Madhya Pradesh, IN
3 Department of Mechanical Engineering, Kalyani Govt. Engineering College, Kalyani-741235, West Bengal, IN

Source

Reason-A Technical Journal (Formerly Reason-A Technical Magazine), Vol 17 (2018), Pagination: 12-24

Abstract

TOPSIS is an extensively used multi-criteria decision making tool. It is simple in form and easy to apply in complex decision making problems. In the present work, TOPSIS is applied for selecting appropriate process parameters for Gas Metal Arc Welding (GMAW) of High-Carbon Steel specimens. Experiments were performed on specimens using MAG welding with varying process parameters. Experimental outcomes are analyzed and the results obtained from the TOPSIS process are depicted in ranking the best alternative corresponding to a set of process parameters. It is found that160 A of weld current, 30 V of weld voltage and welding torch speed of 370.5 mm/min setting with the highest heat input in the present investigation is giving the best result according to TOPSIS.

Keywords

TOPSIS, GMAW, Closeness to Ideal Solution, Ranking, Optimization.

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References

• Holimchayachotikul, P., Laosiritaworn, W., Jintawiwat, R. and Limcharoen, A.., Optimization of gas metal are welding parameters for ST 37 steel using support vector regression, Proceedings of the IE Network Conference, 24-26 October 2007.
• Weéglowski, M.St., Huang, Y. and Zhang, Y.M., Effects of welding current on metal transfer in GMAW, Archives of Material Science and Engineering, Vol. 33, No.1, pp.49-56, 2008.
• Kolahan, F. and Heidari, M., A new approach for predicting and optimizing weld bead geometry in GMAW, World Academy of Science, Engineering and Technology, Vol.59, 2009.
• Kolahan, F. and Heidari, M., Modeling and optimization of MAG welding for gas pipeline using regression analysis and simulated annealing algorithm, Journal of Scientific & Industrial Research, Vol. 69, No. April, pp.259-265, 2010.
• Nagesh, D.S. and Datta, G.L., Modeling of fillet welded joint of GMAW process: integrated approach using DOE, ANN and GA, International Journal of Interactive Design and Manufacturing, Vol.2, pp.127-136, 2008.
• Rao, P.S., Gupta, O.P., Murty, S.S.N. and Koteswara Rao, A.B., Effect of process parameters and mathematical model for the prediction of bead geometry in pulsed GMA welding, International Journal of Advanceds Manufacturing Technology, Vol. 45, pp.496-505, 2009.
• Carrino, L., Natale, U., Nele, L., Sabatini, M.L. and Sorrentino, L., A neuro-fuzzy approach for increasing productivity in gas metal arc welding processes, International Journal of Advanced Manufacturing Technology, Vol. 32, pp. 459-467, 2007.
• Hwang, C.L. and Yoon, K., Multiple Attribute Decision Making: Methods & Applications, Springer-Verlag, New York, 1981.
• Behzadian, M., Otaghsara, S.K., Yazdani, M.and Ignatius, J., A state-of the-art survey of TOPSIS applications, Expert Systems with Applications, Vol. 39, pp.13051-13069, 2012.
• Athawale, V.M. and Chakraborty, S., A TOPSIS method-based approach to machine tool selection, Proceedings of the 2010 International Conference on Industrial Engineering and Operations Management, Dhaka, Bangladesh, January 9-10, 2010.
• Malve, P.B. and Jachak, S., Analysis of Aluminium profile manufacturing industries by using TOPSIS method, International Journal of Mechanical Engineering and Robotics Research, Vol. 3, No.3, 2014.
• Jahanshahloo, G.R., Lotfi, F.H. and Izadikhah, M., Extension of the TOPSIS method for decision-making problems with fuzzy data, Applied Mathematics and Computation, Vol.181, pp.1544155, 2006.
• Karim, R.and Karmaker, C.L., Machine selection by AHP and TOPSIS method, American Journal of Industrial Engineering, Vol.4, No.1, pp.7-13, 2016.
• Das, A. and Das, S., Supplier selection for a pump manufacturing organization by hybrid AHP-TOPSIS technique and its impact on inventory, International Journal of the Analytic Hierarchy Process, Vol.8, No.2, pp.334-352, 2016.
• Dymova, L., Sevastjanov, P. and Tikhonenko, A., An approach to generalization of fuzzy TOPSIS method, Information Sciences, Vol. 238, pp.149-162, 2013.
• Prakash C. and Barua, M.K., Integration of AHP-TOPSIS method for prioritizing the solutions of reverse logistics adoption to overcome its barriers under fuzzy environment, Journal of Manufacturing Systems, Vol. 37, pp.599-615, 2015.
• Junior, F.R.L., Osiro, L. and Carpinetti, L.C.R., A comparison between Fuzzy AHP and Fuzzy TOPSIS methods to supplier selection, Applied Soft Computing, Vol. 21, pp.194-209, 2014.
• Tripathy S. and Tripathy, D.K., Multiattribute optimization of machining process parameters in powder mixed electro-discharge machining using TOPSIS and grey relational analysis, Engineering Science and Technology, An International Journal, Vol.19, pp.62-70, 2016.
• Rao, R.V., Decision Making in the Manufacturing Environment using Graph Theory and Fuzzy Multiple Attribute Decision Making Methods, Springer-Verlag, London, 2007.

• Air Flow Field around the Grinding Wheel

Abstract Views :384  |  PDF Views:127

Authors

Rajiv Ranjan Singh ¹, Sujit Majumdar ², Santanu Das ²

Affiliations
1 Mechanical Engineering Department, Kalyani Government Engineering College, Kalyani- 741235, Nadia, West Bengal, IN
2 Mechanical Engineering Department, Global Institute of Management and Technology, Krishnanagar, Nadia, West Bengal, IN

Source

Reason-A Technical Journal (Formerly Reason-A Technical Magazine), Vol 17 (2018), Pagination: 25-32

Abstract

Control of grinding zone temperature is of prime importance to obtain defect- free ground work surface. Failure to lower this temperature is likely to cause a number of thermal damages in the workpiece. Beside this, intense wheel loading on the grinding wheel may happen due to rise in grinding temperature. Application of the cutting fluid is an important aspect to reduce the various thermal damages and to improve product quality in grinding. But, the presence of the air layer around a rotating grinding wheel impedes the entry of cutting fluid into the grinding zone. Many new and innovative measures have been carried out to suppress the formation of this air layer and to remove the ill effects of the air layer. The present work reviews some of the past works that explored the formation of the air layer and that investigated different ways and means to combat the hindrance caused by this air layer to promote supply of grinding fluid close to the grinding zone for effective control of grinding temperature. It also suggests some probable avenues of future research.

Keywords

Grinding, Grinding Wheel, Air Flow Field.

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References

• Chattopadhyay, A. B., Machining and Machine tools, Wiley, India, pp.329-330, 2015. ISBN: 978-81-265-3098-4.
• Kalpakjian, S. and Schmid, S. R., Manufacturing Engineering and Technology, Pearson, India, 4th edition, pp.732-733, 2013. ISBN: 978-81-7758-170-6.
• Moltrecht, K.H., Machine Shop Practice, Industrial Press Inc., 2nd Edition, Vol. 2, pp.319-320, 1981. ISBN: 0-8311-1132-1 (V2).
• Wakil, El and Sherif, D., Processes and Design for Manufacturing, PWS Publishing Company, 2nd Edition, pp.403-404, 1998. ISBN: 0-534-951-651.
• Ghosh, A. and Mallick, A.K., Manufacturing Science, Affiliated East-West Press Private Limited, India, 2nd Edition, pp.253-254, 2010. ISBN : 978-817671-063-3.
• Bartholet, E.J., High-Pressure Coolant systems, Grinding times, Machine and Tool Blue Book, Vol.73, No.2, pp.106-109, 1978.
• Davies, T.P. and Jackson, R.G., Air flow around grinding wheel, Precision Engineering, IPC Business Press, pp.225-228, 1981.
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• Development and Performance Testing of a Magnetic Reciprocating Engine

Abstract Views :311  |  PDF Views:130

Authors

Avishek Mukherjee ¹, Monojit Layek ¹, Swarup Jana ¹, Bisal Karmakar ¹, Santanu Das ¹

Affiliations
1 Department of Mechanical Engineering, Kalyani Government Engineering College, Kalyani-741235, West Bengal, IN

Source

Reason-A Technical Journal (Formerly Reason-A Technical Magazine), Vol 17 (2018), Pagination: 33-47

Abstract

Toxic pollutants emitted from automobiles have caused serious environment- related issues that need implementation of environment-friendly technologies. Fossil fuel based automotive vehicles causes high emission of COx/SOx/NOx through burning of hydrocarbon fuels. For this reason, electric vehicles come into picture. As the price and demand of fossil fuel are increasing over the past and have made the society looks for alternatives in the vehicle sector. Electric vehicles reduce toxic emissions to a large extent reducing global warming. ‘Magnetic Reciprocating Engine’ proposed in this work operates without a motor and requires no fuel to run. Working principle of this engine is totally based upon the concept of magnetic repulsion and attraction property. Details of its fabrication and design are discussed in this paper. Some performance tests done on this setup are also presented in this article. In fine, there is some future prospects of introducing this kind of ‘Magnetic Reciprocating Engine’ system.

Keywords

Toxic Pollutants, Fossils Fuels, Magnetic Reciprocating Engine, Magnetic Repulsion and Attraction Property.

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References

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• Mehta, S., Konduru, V. and Kalahsti, S.V., Magnetic piston engine, International Journal of Mechanical Engineering and Robotic Research, Vol.3, No.1, pp.59-66, 2014.
• Dhangar, S., Korane, A. and Barve, D., Magnetic piston operated engine, International Journal of Advanced Research in Science and Engineering, Vol. 4, No.6, pp.219-225, 2018.
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• From the Desk of the Editors

Abstract Views :306  |  PDF Views:121

Authors

Santanu Das ¹, Sanchayan Mukherjee ¹

Affiliations
1 Kalyani, IN

Source

Reason-A Technical Journal (Formerly Reason-A Technical Magazine), Vol 17 (2018), Pagination: iv-iv

Abstract

No Abstract.

Keywords

No Keywords.

Full Text

   

• From the Desk of the Editors

Abstract Views :323  |  PDF Views:126

Authors

Santanu Das , Sanchayan Mukherjee

Source

Reason-A Technical Journal (Formerly Reason-A Technical Magazine), Vol 18 (2019), Pagination: iv-iv

Abstract

.

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• Investigation on Spring-Back Effect of Galvanized Iron Sheet

Abstract Views :417  |  PDF Views:175

Authors

Atanu Pandit ¹, Santanu Das ², Sourabh Kumar Das ³

Affiliations
1 MTech (Production Engineering) Student, Department of Mechanical Engineering, Kalyani Government Engineering College, Kalyani-741235, Nadia, West Bengal, IN
2 Professor and Head, Department of Mechanical Engineering, Kalyani Government Engineering College, Kalyani-741235, Nadia, West Bengal
3 Principal, Kalyani Government Engineering College, Kalyani-741235, Nadia, West Bengal, IN

Source

Reason-A Technical Journal (Formerly Reason-A Technical Magazine), Vol 19 (2020), Pagination: 81-93

Abstract

Sheet metal bending is a useful process utilized in varying applications. Investigations in sheet bending find its importance as it is subjected to spring-back upon withdrawal of load and it differs based on material property and its size, etc. Therefore, maintaining specification of a bent object requires appropriate strategy to adopt. In this work, influence of thickness of galvanised iron sheet metal, punch radius and die corner radius on spring-back is considered. Three different values are taken for punch radius, die corner radius and thickness. Experiments are designed according to response surface methodology (RSM) and analysed by ANOVA technique. From various contour plots and surface plots, it is observed that sheet thickness has significant effect on springback. Influence of other two parameters is comparatively less if considered individually, but the combined effect is quite significant.

Keywords

Modeling, Spring-Back, Finite Element Method, FEM, Experimental Validation, Suppressing Spring-Back.

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References

• Akkerman, R., Boogaard, A.H., Brekelmans, W.A.M., Geijselaers, H.J.M., Hu´etink, J., Meinders, T., Peerlings, R.H.J., de Rooij, M.B. and Schipper, D.J., Mechanics of Forming Processes, Lecture Notes, Graduate School of Engineering Mechanics, 2003.
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• Firat, M., Kaftanoglu, B. and Eser, O., Sheet Metal Forming Analyses with an Emphasis on the Spring-Back Deformation, Journal of Materials Processing Technology, Vol.196, pp.135-148, 2008.
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• Wang, J., Verma, S., Alexander, R. and Gau, J.T., Spring-Back Control of Sheet Metal Air Bending Process, Journal of Manufacturing Process, Vol. 10, pp. 21-27, 2008.
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• Yu, H.Y., Variation of Elastic Modulus during Plastic Deformation and Its Influence on Springback, Materials and Design, Vol.30, pp.846-850, 2009.
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• Chatti, S., Effect of Elasticity Formulation in Finite Strain on Spring-Back Prediction, Computer and Structures,Vol.88, pp.796-805, 2010.
• Ouakdi, E.H., Louahdi, R., Khirani, D. and Tabourot, L., Evaluation of Spring-Back under the Effect of Holding Force and Die Radius in a Stretch Forming, Materials and Design, Vol.35, pp.106-112, 2012.
• Chogthairungruang, B., Uthaisangsuk, V., Suranuntchai, S. and Jirathearanat, S., SpringBack Prediction in Sheet Metal Forming of High Strength Steels, Materials and Design, Vol.50, pp.253-266, 2013.
• Hakan, D., Mustafa, Ö. and Murat, S., Effects of Material Properties and Punch Tip Radius on Spring-Forward in 90° V Bending Processes, Journal of Iron and Steel Research, Vol.20, pp.64-69, 2013.
• Seo, Y.H., Park, J.W., Song,W.J., Kang, B.S. and Kim, J., Flexible Die Design and Spring-Back Compensation Based on Modified Displacement Adjustment Method, Advances in Mechanical Engineering, 2014.
• Lawanwomg, K., Hamaski, H., Hino, R. and Yoshida, F., A Novel Technology to Eliminate U Bending Spring-Back of High Strength Steel Sheet by Using Additional Bending with Counter Punch, Proceedings of the 11th International Conference on Technology of Plasticity, Nagoya, Japan, pp.957-962, 2014.
• Sayeed, G.M., Ahmed, H., Mohiuddin, M.V. and Sajid, S., Experimental Evaluation of Spring-Back in Mild Steel and Its Validation Using LS-DYNA, Proceedings of the 3rd International Conference on Materials Processing and Characterisation, pp.1376-1385, 2014.
• Choi, M.K. and Huh, H., Effect of Punch Speed on Amount of Spring-Back in U-Bending Process of Auto-Body Steel Sheets, Proceedings of the 11th International Conference on Technology of Platicity, Nagoya, Japan, pp.963-968, 2014.
• Krinninger, M., Opritescu, D., Golle, R. and Volk, W., Experimental Investigation of the Influence of the Punch Velocity on the Spring-Back Behaviour and the Flat Length in Free Bending, 48th CIRP Conference on Manufacturing Systems, pp.1066-1071, 2015.
• Balon, P., Światoniowski, A. and Szostak, J., Improved Method of Spring-Back Compensation in Metal Forming Analysis, Strength of Materials, Vol. 48(4), pp. 540-550, 2016.
• Sumikawa, S., Ishiwatari, A., Hiamoto, J. and Urabe, T., Improvement of Spring-Back Accuracy Using Material Model Considering Elastoplastic Anisotropy and Bauschinger Effect, Journal of Materials Processing Technology, Vol.230, pp.17, 2016.
• Zajkani, A. and Hajbarti, H., Investigation of the Variable Elastic Unloading Modulus Coupled with Nonlinear Kinematic Hardening in Spring-Back Measuring of Advanced High-Strength Steel in UShaped Process, Journal of Manufacturing Processes, Vol.25, pp.391-401, 2017.
• Phanitwomg, W. and Thipprakmas, S., FEAnalysis of Channel Width Effects on Spring-Back Characteristics in the U-Bending Process, Proceedings of the 17th International Conference on Sheet Metal, pp.17-22, 2017.
• Slota, J., Šiser, M. and Dvorák, M., Experimental and Numerical Analysis of Spring-Back Behaviour of Aluminium Alloys, Strength of Materials, Vol.49, 2017.
• Trzepiecinski, T. and Lemu, G.H., Effect of Computational Parameters on Spring-back Prediction by Numerical Simulation, Metals, Vol. 380, 2017.

• From the Desk of the Editor

Abstract Views :380  |  PDF Views:157

Authors

Santanu Das ¹, Provas Kumar Roy ¹

Affiliations
1 Editor, IN

Source

Reason-A Technical Journal (Formerly Reason-A Technical Magazine), Vol 20 (2021), Pagination: iv-iv

Abstract

No Abstract.

Full Text

   

• Estimation of Geometry and Properties of Weld Bead Using Artificial Neural Networks

Abstract Views :323  |  PDF Views:151

Authors

Tapas Bera ¹, Santanu Das

Affiliations
1 Department of Mechanical Engineering, Kalyani Government Engineering College, Kalyani-741235, IN

Source

Reason-A Technical Journal (Formerly Reason-A Technical Magazine), Vol 20 (2021), Pagination: 46-56

Abstract

Investigations on prediction or estimation of output responses in welding using artificial neural networks (ANN) have become popular among researchers. In this work, metal active gas (MAG) welding was implemented to join EN-8D medium carbon steel plates together by varying welding current, weld voltage and torch traverse speed as input parameters. Depth of penetration, reinforcement, hardness and bend angle at failure were the responses. Then the input parameters and output parameters are used to train the neural networks in this work. Feed forward network with Levenberg-Marquardt training function is implemented. 3-10-4 model of ANN is used for the prediction of depth of penetration, reinforcement, hardness and bend angle. From the regression chart, it is found that the designed model predicted the results of both replications with quite less error and hence, the effectiveness of the technique.

Keywords

GMAW; ANN; Neural network; MAG welding; Modeling; MATI_AB

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References

• Khanna, O. R, A Text Book of Welding Technology, Dhanpat Rai Publications, New Delhi, 2001.
• Nadkarni, S.V., Modern Arc Welding Technology, Oxford & IBM Publishing Co. Pvt. Ltd., New Delhi.
• Bera, T, The History of Development of Gas Metal Arc Welding process, Indian Science Cruiser, Vol 34, No 4, pp. 64-66, 2020.
• Chan, B., Pacey, J. and Bibby, M., Modelling Gas Metal Arc Weld Geometry Using Artificial Neural Network Technology, Journal of Canadian Metallurgical Quarterly, Vol. 38, pp. 43-51,1999.
• Lee, J. and Um, K., A Comparison in a Back-Bead Prediction of Gas Metai Arc Weiding Using Muitipie Regression Anaiysis and Artificiai Neurai Network, Journai of Optics and Lasers in Engineering, Voi. 34, pp. 149-158,2000.
• Sreeraj, P, Kannan, T. and Maji, S., Simuiation and Parameter Optimization of GMAW Process Using Neurai Networks and Particle Swarm Optimization Algorithm, Internationai Journai of Mechanicai Engineering and Robotic Research, Voi 2, pp. 131-146,2013.
• Shah, J., Patei, G. and Makwana, J., Optimization and Prediction of MiG Weiding Process Parameters Using ANN, Internationai Journai of Engineering Deveiopment and Research, Voi. 5, pp. 1487-1491,2017.
• Sreeharan, B.N., Kannan, T. and Aravind, P, Process Optimization of GMAW over AA6351 Aiuminium Aiioy Using ANN, Voi. 8, pp. 208-218,2017.
• Ates, H., Prediction of Gas Metai Arc Welding Parameters Based on Artificiai Neural Networks, Materials and Design, Vol. 28, pp. 2015-2023,2007.
• Pal, S., Pal, S.K. and Samantaray, A.K., Artificial Neural Network Modeling of Weid Joint Strength Prediction of a Puised Metai Inert Gas Welding Process Using Arc Signais, Journai of Materiais Processing Technoiogy, Voi. 202, pp. 464-474,2008.
• Singh, V., Chandrasekaran, M. and Thirugananasambandam, M., Artificial Neural Network Modelling of Weid Bead Characteristics during GMAW of Nitrogen Strengthened Austenitic Stainiess Steei, AlP Conference Proceedings, 2128, 020024,2019.
• Nagesh, D.S. and Datta, G.L., Modeiing of Fiiiet Weided Joint of GMAW Process: integrated Approach Using DOE, ANN and GA, International Journal on Interactive Design Manufacturing, Vol. 2, pp. 127-136, 2008.
• Casalino, G., Hu, S.J. and Hou, W., Deformation Prediction and Quality Evaluation of the Gas Metal Arc Welding Butt Weld, Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture, Vol. 217, No. 11, pp. 1615-1622,2003.
• Nagesh, D.S. and Datta, G.L, Prediction of Weld Bead Geometry and Penetration in Shielded Metal-Arc Welding Using Artificial Neural Networks, Journal of Materials Processing Technology, Vol. 123, No. 2, pp. 303-312,2002.
• Bera, T. and Das, S., Application of Artificial Neural Networks in Predicting Output Parameters of Gas Metal Arc Welding of Dissimilar Steels, Indian Science Cruiser, Vol. 35, No. 3, pp. 26-30,2021.
• Kanti, K.M. and Rao, P.S., Prediction of Effect of Welding Process Parameter of MIG Process on Weld Bead Geometry, Journal of Materials Processing Technology, Vol. 200, No. 1-3, pp. 300- 305,2008.
• Das, A. and Das, S., Prediction of Bead Geometry of Gas Metal Arc Welded Workpiece Using Artificial Neural Networks, Proceedings of the National Seminar on 'Welding Science and Technology- Present Status & Future Direction' (NSWEST 2021), July 23-24 2021, pp.79-80,2021.
• Saha, M.K., Dhara, L.N. and Das, S., Variation of Bead Geometry of 316 Austenitic Stainless Steel Weld with Varying Heat Input Using Metal Active Gas Welding, Recent Advances in Mechanical Engineering, 2021.
• Saha, M.K., Hazra, R., Mondal, A. and Das, S., Effect of heat input on geometry of austenitic stainless steel weld bead on low alloy steel. Journal of the Institution of Engineers (India), Series C, Vol. 100, No.4, pp. 607-615,2019.
• Sarkar, A. and Das, S., Selection of Appropriate Process Parameters for Gas Metal Arc Welding of a Steel under 100% Carbon Dioxide Gas Shield, Indian Welding Journal, Vol.49, No.4, pp.61-70,2016.
• Ramos-Jaime, D. and Lopez-Juarez, I., ANN and Linear Regression Model Comparison for the Prediction of Bead Geometrical Properties in Automated Welding, 1st International Congress on Instrumentation and Applied Science, pp. 1-10,2010.
• Sabiruddin, K., Das, S. and Bhattacharya, A., Application of the analytic hierarchy process for optimisation of process parameters in GMAW, Indian Welding Journal, Vol.42, No.1, pp.38-46,2009.
• Das, A. and Das, S., Tungsten Arc Welded Workpiece Using Artificial Neural Networks, Proceedings of the National Welding Meet (NWM 2021), Tiruchirapalli, October 07-08 2021.
• Das, S., Roy R. and Chattopadhyay, A.B., Evaluation of Wear of Turning Carbide Inserts Using Neural Networks, International Journal of Machine Tools and Manufacture, Vol.36, No.7, pp.789-797, 1996.
• Das, S., Bandyopadhyay, P.P. and Chattopadhyay, A.B., Neural-Networks- Based Tool Wear Monitoring in Turning Medium Carbon Steel Using a Coated Carbide Tool, Journal of Materials Processing Technology, Vol.63, No.1-3, pp. 187-192,1997.
• Das, S., On Wear Monitoring of TIN Coated Tools- Part II: With Neural Networks, Proceedings of the 14th International Conference on Robotics and Factories of the Future (CAR& FOF1998), Coimbatore, India, pp.645-653,1998.
• Mukherjee, A. and Das, S., A Simple Online Tool Condition Monitoring System Using Artificial Neural Networks, lOP Conf. Series; Materials Science and Engineering, Vol.1080,No.012021,2021.
• Kartik, C.S., Suryaganesh, G., Joshi, N.R., Ghanta, K.C. and Das, S., Application of Neural Networks to an Esterification Process, Proceedings of the IIChE Golden Jubilee Congress (CHEMCON-1997), New Delhi, pp.1019-1029,1997.
• Ghanta, K.C. and Das, S., Neural Networks Based Modeling of Viscosity for Facilitating Transportation of Magnetite Ore-Water Slurry, Journal of the Association of Engineers, India, Vol.83, No.2, pp.43-54, 2013.
• Misra, D., Das, S., Mondal, N. and Saha, P.P., Estimation of Drilling Burr Formation with Artificial Neural Network Analysis, Indian Science Cruiser, Vol.34, No.3, pp.23-31,2020.
• Lera, G. and Pinzolas, M., Neighborhood Based Levenberg-Marquardt Algorithm for Neural Network Training, IEEE Transactions on Neural Networks, Vol. 13, No. 5, pp. 1200-1203,2002.

• From the Desk of the Editor

Abstract Views :177  |  PDF Views:98

Authors

Santanu Das ¹, Provas Roy ¹

Affiliations
1 Editors, IN

Source

Reason-A Technical Journal (Formerly Reason-A Technical Magazine), Vol 21 (2022), Pagination: iv-iv

Abstract

No Abstract.

Keywords

No Keywords

Full Text

 Untitled  

• Application of the AHP for Optimization of Mechanical Properties Of Al-Mg-Si Alloy Using PCTIG Welding

Abstract Views :171  |  PDF Views:97

Authors

Soumojit Dasgupta ¹, Satadru Banerjee ², Hares Hasan ³, Santanu Das ⁴

Affiliations
1 Research Scholar, Department of Mechanical Engineering, Kalyani Govt. Engineering College, Kalyani- 741235, West Bengal and Assistant Professor, JIS College of Engineering, Kalyani., IN
2 B.Tech Graduate, Department of Mechanical Engineering, Kalyani Govt. Engineering College, Kalyani- 741235, West Bengal., IN
3 B.Tech Graduate, Department of Mechanical Engineering, Kalyani Govt. Engineering College, Kalyani- 741235, West Bengal.
4 Professor, Department of Mechanical Engineering, Kalyani Govt. Engineering College, Kalyani- 741235, West Bengal., IN

Source

Reason-A Technical Journal (Formerly Reason-A Technical Magazine), Vol 21 (2022), Pagination: 29-38

Abstract

This paper makes an attempt to investigate the influence of pulsed Tungsten Inert Gas (PCTIG) welding variables on the mechanical attributes like Impact Toughness, Hardness, Dilution as well as Notch Tensile Strength of welded specimen. The specimen used was Al-Mg-Si alloy. This alloy is extensively used in automotive manufacturing sector owing to its light weight which also helps to bring down the vehicular C02 emission. The addition of metalloid such as silicon in aluminum parent metal imparts high fluidity, good feeding characteristics and good hot cracking sensitivity to it. As opposed to normal Tungsten Inert Gas (TIG) welding, PCTIG welding applies variable current during operation. Peak current being higher in value facilitates sufficient penetration while base current helps in stabilizing the arc. However, owing to the development of inter-dendritic micro-structural features, PCTIG welding exhibits lower impact toughness and notch tensile strength compared to the parent metal. The Analytic Hierarchy Process (AHP) has been used in this work to maximize the mechanical properties and the related PCTIG welding parameters.

Keywords

Impact Toughness, Notch Tensile Strength, TIG, Inter-dendritic, Analytic Hierarchy Process

Full Text

   

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