3. Select a roller chain drive to transmit 8,000 W from a drive shaft to a driven shaft of a fruit conveyor. The drive s

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3. Select a roller chain drive to transmit 8,000 W from a driveshaft to a driven shaft of a fruit
conveyor. The drive shaft is 20 mm in diameter and operates at1200 rpm. The driven shaft is also 20 mm
in diameter and must operate between 370 and 390 rpm. Shaftcenters, once established, are fixed and by initial calculationsmust be approximately 572 mm. The load on the driven shaft isuneven and presents
“peaks” which places it in the heavy shock load category. Theinput power is supplied by an electric motor. The driving head isfully enclosed and all parts are lubricated from a centralsystem