The worktable in an NC positioning system is driven by a leadscrew with a 4-mm pitch. The…

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The worktable in an NC positioning system is driven by a leadscrew with a 4-mm pitch. The leadscrew is powered by a stepping motor that has 250 step angles. The worktable is pro-grammed to move a distance of 100 mm from its present position at a travel speed of 300 mm/min. (a) How many pulses are required to move the table the specified distance? (b) What are the required motor speed and (c) pulse rate to achieve the desired table speed?
 

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