International Journal of Agricultural Engineering

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Development of Paddy Stripper Header Mechanism


Affiliations
1 Department of Farm Machinery and Power College of Agricultural Engineering and Technology, Dr. B.S. Konkan Krishi Vidyapeeth, Dapholi, Ratnagiri (M.S.), India
2 Department of Agricultural Economics, College of Agricultural Engineering and Technology, Dr. B.S. Konkan Krishk Vidyapeeth, Dapholi, Ratnagiri (M.S.), India
     

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Stripping is the process of removing the seeds from the plant and straw remained anchored to the soil. The main advantages of stripping is the increasing capacity of the combine harvester with reduced amount of material other than grain ratio (MOG) and power requirement for threshing and cleaning which promotes to develop small and light weight mechanism suitable for small and fragmented land. A laboratory stripper header mechanism (SHM) was developed for stripping paddy grains and collecting them in grain tank. It consisted of stripping rotor, stripping elements, hood, frame and grain tank. Two profiles of stripping elements viz., slender arrow head (A) and spaced slender arrow head (B) of stripping elements were used. The performance of the developed SHM was evaluated on specially developed test rig to study the effect of two levels of forward speed (1.65 and 2.25 km/h) and four levels of peripheral speed (16.95, 19.78, 22.6 and 25.45 m/s) on shattered and un-stripped grain loss was studied. It consisted of track, platform and crop holders. SHM was stationary and platform was movable on track. Minimum shattered grain loss of 5.78 per cent was obtained with stripping element A at 2.25 km/h forward speed and at 19.78 m/s peripheral speed. Minimum un-stripped grain loss of 0.84 per cent was obtained with stripping element A at 2.25 km/h forward speed and 25.45 m/s peripheral speed. The performance of the slender arrow head stripping element was found to be better as compared to spaced slender arrow head.

Keywords

Paddy, Stripping, Stripping Element, Test Rig, Grain Loss.
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  • Development of Paddy Stripper Header Mechanism

Abstract Views: 267  |  PDF Views: 0

Authors

G. B. Bhanage
Department of Farm Machinery and Power College of Agricultural Engineering and Technology, Dr. B.S. Konkan Krishi Vidyapeeth, Dapholi, Ratnagiri (M.S.), India
P. U. Shahare
Department of Farm Machinery and Power College of Agricultural Engineering and Technology, Dr. B.S. Konkan Krishi Vidyapeeth, Dapholi, Ratnagiri (M.S.), India
V. V. Aware
Department of Farm Machinery and Power College of Agricultural Engineering and Technology, Dr. B.S. Konkan Krishi Vidyapeeth, Dapholi, Ratnagiri (M.S.), India
J. S. Dekhale
Department of Agricultural Economics, College of Agricultural Engineering and Technology, Dr. B.S. Konkan Krishk Vidyapeeth, Dapholi, Ratnagiri (M.S.), India

Abstract


Stripping is the process of removing the seeds from the plant and straw remained anchored to the soil. The main advantages of stripping is the increasing capacity of the combine harvester with reduced amount of material other than grain ratio (MOG) and power requirement for threshing and cleaning which promotes to develop small and light weight mechanism suitable for small and fragmented land. A laboratory stripper header mechanism (SHM) was developed for stripping paddy grains and collecting them in grain tank. It consisted of stripping rotor, stripping elements, hood, frame and grain tank. Two profiles of stripping elements viz., slender arrow head (A) and spaced slender arrow head (B) of stripping elements were used. The performance of the developed SHM was evaluated on specially developed test rig to study the effect of two levels of forward speed (1.65 and 2.25 km/h) and four levels of peripheral speed (16.95, 19.78, 22.6 and 25.45 m/s) on shattered and un-stripped grain loss was studied. It consisted of track, platform and crop holders. SHM was stationary and platform was movable on track. Minimum shattered grain loss of 5.78 per cent was obtained with stripping element A at 2.25 km/h forward speed and at 19.78 m/s peripheral speed. Minimum un-stripped grain loss of 0.84 per cent was obtained with stripping element A at 2.25 km/h forward speed and 25.45 m/s peripheral speed. The performance of the slender arrow head stripping element was found to be better as compared to spaced slender arrow head.

Keywords


Paddy, Stripping, Stripping Element, Test Rig, Grain Loss.

References