Machine design; a manual of practical instruction in designing machinery for specific purposes, including specifications for belts, screws, pins, gears, etc., and many working hints as to operation and care of machines (1918)
Wallace, Ernest L · Chicago, American technical society · leaf 76
ear off thekey along the line AB, but tends to crush both the portion in theshaft and in the hub. The shearing strength along the line ABis LWSa. Equating external force to internal strength 1™ = LWSB or W = 2 PR dLSB (24) The crushing strength is, of course, that due to the weakermetal, whether in… … Fig. 36. Gibbed Key The proportions of the key must be such that the equations as above,both for shearing and for crushing, shall be satisfied. Practical Modification. Pins across the shaft can be used todrive light work only, for the shearing area cannot be very large.A large pin cuts away too…
Machine design
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