Machine drawing; a text and problem book for technical students and draftsmen (1921)
Svensen, Carl L. (Carl Lars), 1884- · New York, D. Van Nostrand company · leaf 41
^ ^ Fig. 57. Fig. .58. Full and Ring Gaskets. where close or frequent adjustment is required. The flat key shown atII requires a flat spot on the shaft. Its holding power is a little greaterthan the preceding form. Set screws are sometimes used to secure closer … Fig. .59. Forms of Keys. ¥ H contact. The square or rectangular form of key is most used. Thesides should fit closely in the hub and shaft. Square keys, shown atIII, are often made with W = D/4: in which W = width of key and D =diameter of shaft. Other proportions are W = D/4: and T = D/Q toD/4.…
Machinery
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