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Roy, Kapil
- On Drilling Burr Reduction of Low Carbon Steel Workpiece
Abstract Views :321 |
PDF Views:3
Authors
Kapil Roy
1,
Partha Mukherjee
1,
Ujjwal Kumar Hansda
1,
Sourav Halder
1,
Suman Mandal
1,
Saikat Mandal
1,
Partha Pratim Saha
1,
Santanu Das
1
Affiliations
1 Mechanical Engineering Department, Kalyani Govt. Engineering College, Kalyani-741235, IN
1 Mechanical Engineering Department, Kalyani Govt. Engineering College, Kalyani-741235, IN
Source
Indian Science Cruiser, Vol 28, No 4 (2014), Pagination: 19-24Abstract
Burr is a undesirable projected material adhered to an edge of a job. After drilling operation, exit burr which is usually produced beyond the rear surface of the workpiece, causes serious problem in the assembly of finished product and to maintain its quality. So, reduction of burr is essential. A number of experiments have been done in the present work under dry and wet environment to observe its effect on burr formation under different drilling conditions. In this work, an exit edge bevel of 31 degree or a back-up support is provided, and its influence on burr formed under different cutting velocities and feeds has been experimentally studied.Keywords
Drilling, Machining, Burr, Exit-Edge Bevel, Back-Up Support, Dry Machining, Wet Condition.
- Effect of Exit Edge Beveling on Drilling Burr Formation Under Wet Environment
Abstract Views :231 |
PDF Views:0
Authors
Affiliations
1 Mechanical Engineering Department, Kalyani Govt. Engineering College, Kalyani, West Bengal, IN
1 Mechanical Engineering Department, Kalyani Govt. Engineering College, Kalyani, West Bengal, IN
Source
Manufacturing Technology Today, Vol 18, No 12 (2019), Pagination: 43-50Abstract
In drilling, burr formation is mostly observed at the exit edge of a workpiece. A burr can cause premature failure of cutting tools, dimensional errors in manufactured components and serious problems in assembly. Deburring operation is usually employed for removal of burr. For reduction of deburring cost and time, burr reduction is essentially needed. The present investigation on drilling burr formation demonstrates an approach for burr reduction at the exit edge of the workpiece. A number of experiments has been carried out on low carbon steel flats under water soluble oil cooled environment to explore the influence of different exit edge bevel angles on burr formation under different machining conditions. At 20o exit edge bevel angle, negligible burr is found at 0.2 mm/rev feed at all the cutting velocities considered and this condition may be adopted. However, with 25o exit edge bevel angle, sizeable burr is obtained making it unsuitable.Keywords
Drilling, Exit Edge Beveling, Wet Environment, Machining, Burr, Backup Support.References
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