Stepper motors are used to drive the two axes of a component placement machine used for electronic assembly. A printed circuit board is mounted on the table. It must be positioned accurately for the reliable insertion of components into the board. Range of each axis = 600 mm. The lead screw used to drive each of the two axes has a pitch of 0.4 cm. The inherent mechanical errors in table positioning can be characterized by a Normal distribution with a standard deviation = 0.00045 cm. If the required accuracy for the table is 0.032 mm, determine the number of step angles that the stepper motor must have

Stepper motors are used to drive the two axes of a component placement machine used for electronic assembly. A printed circuit board is mounted on the table. It must be positioned accurately for the reliable insertion of components into the board. Range of each axis = 600 mm. The lead screw used to drive each of the two axes has a pitch of 0.4 cm. The inherent mechanical errors in table positioning can be characterized by a Normal distribution with a standard deviation = 0.00045 cm. If the required accuracy for the table is 0.032 mm, determine the number of step angles that the stepper motor must have

Power System Analysis and Design (MindTap Course List)

6th Edition

ISBN:9781305632134

Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Chapter12: Power System Controls

Section: Chapter Questions

Problem 12.4P

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