Spur and bevel gearing; a treatise on the principles, dimensions, calculation, design and strength of spur and bevel gearing, together with chapters on special tooth forms and methods of cutting gear teeth (1914)
New York, The Industrial press; [etc., etc.] · leaf 49
outside circum-ference of gear; C = radius of gear at pitch line; E = outside radius of gear. 34 SPUR GEARING The formulas are as follows: a 99L r = 2 C X sina; D = vC- - (jr)-; H =E-D. In the case of the gear cutter (see Fig. 14), the chordal thick-ness is the same as that for the gear, but the… … Much in en, Figs. 13 and 14. Notation used in Formiilas for Chordal Thicknessesand Addenda of Gear Teeth and Cutters addendum A of the gear cutter, we can, therefore, either sub-tract the dimension H, as found by the pre\dous formulas, fromthe dimension for the total depth of the tooth, or we can…
Gearing
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