Ames, William L. (William Lewis), 1855-, Wischmeyer, Carl · New York, McGraw-Hill book company, inc.; [etc., etc.] · leaf 110
etry in their design.Skew bevel gears used when thetwo shafts are neither parallel nor intersecting, have pitchsurfaces whichare hyperboloids of revolution. Suppose that A and B, Fig. 185, are the center lines of thetwo shafts that are to be connected by skew bevel gears.If some third line… … Fig. 185. 100 DESCRIPTIVE GEOMETRY rotated about the axes A and B. These hyperboloidstherefore constitute the pitch surfaces of the required gears.The speed ratio of the two gears will depend on the posi-tion of the line D. The angles between the H projectionsZ)* and A*, and between D* and 5*, may…
Geometry, Descriptive
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