Benjamin, Charles Henry, 1856- [from old catalog], Hoffman, James David, 1868- [from old catalog] joint author · New York, H. Holt and company · leaf 123
43. Cotters.—A cotter is a key which passes diametricallythrough a hub and its rod or shaft, to fasten them together, andis so called to distinguish it from shafting keys which lie parallelto axis of shaft. Its taper should not be more than 4 degrees or about 1 in 15,unless it is secured by a screw… … Fig. 33. COTTERS 105 Let: d = diameter of body of rod d^ = diameter of enlarged portion f=thickness of cotter, usually = di b = breadth of cotter Z=length of rod beyond cotter. Suppose that the applied force is a pull on the rod—causingtension on the rod and shearing stress on the cotter.The…
Machine design
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