In Figure P881, the rack is driven by the pinion that has a rotational speed of 50

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In Figure P8–81, the rack is driven by the pinion that has a rotational speed of 50 rpm. The diametral pitch is 12, NP = 30, and the length of the rack is 7.00 ft. Find the following: 


Data in Figure P8–81

image

(a) The pitch diameter of the pinion 

(b) The distance from the pitch line to the back of the rack 

(c) The center distance 

(d) The linear velocity of the rack 

(e) The time required to move the rack 7.00 ft. 

(f) The number of revolutions of the pinion as the rack moves 7.00 ft. 

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Machine Elements In Mechanical Design

ISBN: 9780134441184

6th Edition

Authors: Robert Mott, Edward Vavrek, Jyhwen Wang

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