Handbook for machine designers, shop men and draftsmen (1916)
Halsey, Frederick A. (Frederick Arthur), 1856-1935 · New York, McGraw-Hill book company, inc.; [etc., etc.] · leaf 184
roove as shown in Fig. 12. The firstmethod subjects the anchor spur to a bending stress several timesgreater than is done by the second, and may cause the failure of theconnection. Crane drums should be so proportioned that from one-half to a full coil of chain will remain upon the drum with the… … H = d A = pitch of chain + dB= pitch of chain — d J? = pitch diameter £ = diameter across fiats F=dX.7SG=d Fig. io.—Proportions of sprockets for cable chains. but although this requirement may be observed when the machineis first installed, conditions may be changed afterward, as by diggingdeeper…
Machine design
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