Abstract
When coconuts are required in large numbers say 150 to 180 nuts per hour, manual dehusking becomes tedious and labour cost increases steeply. So the process needs to be mechanized. So this paper describes about process of operation and working principle. The shearing blades on roller are attached over cylindrical rollers through its length. When blades rotate, at a high torque, coconut is pricked by blades and due to inertia of both blades rotating in opposite direction coconut cannot rotate along with both the blades simultaneously, Hence coconut is sheared apart at blade and husk intersection. This process carries on till entire coconut is completely dehusked. This machine is economically far better than manual method in terms of per unit basis. Also overall costs will become lesser in long run for mass dehusking for which this machine is intended to do. Each key part of the model was individually analyzed in Ansys for forces acting on that individual part. In our model key parts were Frame, Roller and Gear. A standard procedure was followed for analysis of all parts. The detailed step is described in Analysis chapter. This model was analyzed in ANSYS Version 16. Modeled machine is exact in dimensions with actual machine. Modeling was done in Solid works 2015.
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