Mechanical drawing; a treatise on the drawing of mechanical and machine details (1920)
Jones, Franklin Day, 1879-1967 · New York, The Industrial press; [etc., etc.] · leaf 276
workcan be done. It may be well to state that, mathematically,the diameter of the generating circle multiplied by 3.1416 willgive the distance between one convolution and the next, asshown by the distance M. Drawing an Involute Curve Accurately. — The involutecurve is the basis of the involute… … Fig. 7. How to draw an Involute Curveaccurately 264 MECHANICAL DRAWING the diameters of which equal the pitch diameter, outside diam-eter, and root diameter. If a few teeth are drawn where thetwo gears mesh, the draftsman does not attempt to drawthe curves accurately, as this is not necessary since…
Mechanical drawing
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