Benjamin, Charles H[enry], 1856- [from old catalog] · New York, H. Holt and company · leaf 194
ith it. When the parts A and B are forced together the rings close upand engage by pairs, producing a considerable turning momentwith a moderate end pressure. Let: P = pressure along axis n = number of pairs of surfaces in contact /= coefficient of friction r = mean radius of ring T = turning… … Fig. 76. 174 MACHINE DESIGN and one internal, engaging one anothei- and driving by friction.Using the same notation as before, and letting a= angle betweenelement of cone and axis, the normal pressure between the two P . . . Pf surfaces will be: ^. and the friction will be:-^^^— sin a sin a…
Machine design
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