A CNC machine tool table is powered by a servomotor, ball screw, and optical encoder. The ball screw has a pitch = 7.5 mm and is connected to the motor shaft with a gear ratio of 12:1. The optical encoder is connected to the ball screw and generates 200 pulses/rev of the screw. The table must move a distance of 300 mm at a feed rate = 450 mm/min. (a) Determine the pulse count received by the control system to verify that the table has moved exactly 300 mm. Also, what are (b) the pulse rate and (c) motor speed that corresponds to the specified feed rate?
A CNC machine tool table is powered by a servomotor, ball screw, and optical encoder. The ball screw has a pitch = 7.5 mm and is connected to the motor shaft with a gear ratio of 12:1. The optical encoder is connected to the ball screw and generates 200 pulses/rev of the screw. The table must move a distance of 300 mm at a feed rate = 450 mm/min. (a) Determine the pulse count received by the control system to verify that the table has moved exactly 300 mm. Also, what are (b) the pulse rate and (c) motor speed that corresponds to the specified feed rate?
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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A CNC machine tool table is powered by a servomotor, ball screw, and optical encoder. The ball screw has a pitch = 7.5 mm and is connected to the motor shaft with a gear ratio of 12:1. The optical encoder is connected to the ball screw and generates 200 pulses/rev of the screw. The table must move a distance of 300 mm at a feed rate = 450 mm/min. (a) Determine the pulse count received by the control system to verify that the table has moved exactly 300 mm. Also, what are (b) the pulse rate and (c) motor speed that corresponds to the specified feed rate?
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