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 113
itch, addendum, rootand clearance lines and space the pitch line for the teeth as in Fig. 3.Draw the basj line one-sixtieth of the pitch diameter inside thepitch line. Take the face radius from Table 7, multiply or divide it as calledfor by the table, take the resulting radius in the dividers and… … ^^ Fig. 3.—Grants odontograph for involute teeth. of 2 Fig. 3 shows the resulting radii and centers for a pmiondiametral pitch with 12 teeth and for a rack meshing with it. Special rule for the rack: Draw the sides of the rack tooth, Fig. 3,as straight lines inclined to the line of centers co at an…
Machine design
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