Industrial drawing and geometry; an introduction to various branches of technical drawing (1911)
Spooner, Henry John, 1856- · London, New York [etc.] Longmans, Green, and co. · leaf 101
nd divide the semicircles ADG and AJG (each 180°) into the same number of equal parts (six) in B, C, D, etc.Now, with centre a, radius am, cut «B in h, and with same centre, radius an, describe an arc cutting «C in c, and so on for the pointsd, e, f, g, which are points in the cam to give the… … B^ A -—/ A. <=/ y% 1 7.■> / \Ak tl m 1/V2i-—A_ m\ D M / < % / ^-30° \ w F\ .;i^>j H Fig. 240.—Cam used in shearing machine. Pig. 241.—Cam, heart type. arcs as shown, to give the points i and j. Obviously the larger the number of divisions the more accurate will the curve be.templates,…
Mechanical drawing · Geometrical drawing
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