Question: 1. The worktable of a positioning system is driven by a ball screw whose pitch = 8.0 mm. The screw is connected to the output

1. The worktable of a positioning system is

1. The worktable of a positioning system is driven by a ball screw whose pitch = 8.0 mm. The screw is connected to the output shaft of a stepper motor through a gearbox whose ratio is 6:1 (six turns of the motor to one turn of the screw). The stepper motor has 32 step angles. The table must move a distance of 450 mm from its present position at a linear velocity = 550 mm/min. Determine (a) how many pulses are required to move the table the specified distance and (b) the required motor speed and pulse rate to achieve the desired table velocity

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