Mechanical equipment of buildings; a reference book for engineers and architects (1916)
Harding, Louis Allen, Willard, Arthur C. (Arthur Cutts), 1878-1960 · New York Wiley · leaf 661
e avoided, as the teeth are weak,due to undercutting. The profiles of gear teeth as ordinarily constructed are involute curves. The pitch of gear teeth is stated in either of two ways, viz., Dimnetral Pitch is the numberof teeth per inch of pitch line diameter of the gear. Circular or Arc Pitch is… … Fig. 31. Proportions of Gear Teeth.(See Table 16.) TABLE 16 DiametralPitch A B C D ArcPitch StandardFace 4 0.393. 523.628.785 1.047 0.25.33.40.50.67 0.289.389.■463.578.768 0.539 .719 .863 1.078 1.438 0.7854 1.0472 1.257 1.571 2.094 2H 3 3 W 2V2.2. . . •• A 4*4 lyi 6 P = Pitch (Diametral).PD = Pitch…
Building · Heating · Ventilation
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