Mechanisms And Mechanical Movements a Treatise On Different Types of Mechanisms
The book Mechanisms And Mechanical Movements a Treatise On Different Types of Mechanisms was written by author Franklin Day Jones Here you can read free online of Mechanisms And Mechanical Movements a Treatise On Different Types of Mechanisms book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Mechanisms And Mechanical Movements a Treatise On Different Types of Mechanisms a good or bad book?
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The re- duction in the length of the carriage traverse is obtained by revolving screw A at each reversal and thus shortening the distance between the plates B and C. This rotation of the screw is effected by pinion P which engages rack M and transmits motion through the other gears shown to the extension Q on the screw, which is made square and is free to slide through the gear hub as the carriage moves vertically. As the plates B and C are moved toward each other, the tumbling gear E has a sho...rter sur- face to traverse before it is disengaged. These two plates both move the same distance, so that the point of reversal decreases at each end and the bobbin is wound conical at both ends. The roving delivered by the front roll is either tightened or slackened by engaging pinion R with one of the three gears shown. Reversal of Motion after Predetermined Number of Revolu- tions. With the mechanism illustrated in Fig. 12, a driven shaft may be reversed after making any predetermined number of revolutions from i to 100, 000 and the motion may be discon- tinued entirely after the shaft has made any given number of reversals up to 10, 000.
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