A power operated chaff cutter is used for cutting Napier grass of density 640 kg/m^3 at 800 rpm speed. If blades make a clearance angle of 18° between the knife support assembly and the plan of rotation and distance of inner edge of throat from flywheel centre is 10 cm. What will be the theoretical length of cut without feed interference using 4 knives?

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A power operated chaff cutter is used for cutting Napier grass of density 640 kg/m^3 at 800 rpm speed. If blades make a clearance angle of 18° between the knife support assembly and the plan of rotation and distance of inner edge of throat from flywheel centre is 10 cm. What will be the theoretical length of cut without feed interference using 4 knives?

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