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 154
Fig. 6.—Milled worm wheel. they are cut at an angle with the axis equal to the helix angle of theworm as shown in Fig. 6. Very little published information regard- 136 HANDBOOK FOR MACHINE DESIGNERS AND DRAFTSMEN K--P—H W-._P_^ … WORM HOB Table 4.-—Tooth Parts of Worms and Hobs A =thickness of tooth on pitch line = .50 P., B = width at top of thread = .3354 P., C = clearance = .05 P., D = working depth of tooth = .6366 P., £ = total depth of tooth = .6866 P., F = width of thread tool at end = .3095 P.. C = depth of space…
Machine design
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