Abstract
Coconut husk as by-product of coconut is very potential material for many applications. The coconut coir consists of coconut fibre and cocopeat. The improvement made in this research is to design a machine that suits the need of local coconut industry in Sumatera Barat. This machine is powered by 22 HP engine diesel that rotates at 1100 RPM. This engine is connected to rotary knife through double pulley-belt transmission system. The pulleys have 14:25 ratio with the lower side being installed to the engine and the other to the axis. There were 19 knives put to the axis with angle difference of 60 degree. This rotary knife was perpendicular to the axis to increase the effectiveness during the ripping process. The separation mechanism was done by using lines and holes in the cylindrical tube of the machine. The tube has diameter 596 mm. The capacity derived was 123 kg/hour. Dimension of the machine is 2270 x 900 x 1323.13 mm. This machine works for separating coconut fibre and cocopeat.
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