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Two slitting rolls A and B for cutting sheet metal are driven by means of the gear train shown in Fig. The rolls must operate in the direction shown...

Two slitting rolls A and B for cutting sheet metal are driven by means of the gear train shown in Fig. 7.22. The rolls must operate in the direction shown at a peripheral speed of 1150 mm/s. (a) Determine the angular velocity ratio W2/W3 to drive the rolls at the required speed. Gear 1 runs at 1800 rpm. (b) Determine the direction of rotation of gear 1 and the hand of worm 6 to give the required rotation of the rolls.

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