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 249
ECHANICAL DRAWING starting point. The diagram A, Fig. i, shows one half of thecam curve and illustrates the method of laying out this curveto secure a uniform motion. The center or axis of the camis represented at a and the follower, at c. The follower inthis case is shown as a pointed rod,… … Fig. 1. Method of laying out a Heart Cam for a Uniform Motion about center a. In this case, the semicircle has a radius abypoint b representing the lower end of the stroke of the follower.Assuming that this stroke is to be 4 inches, this distance islaid off on the center line and is divided into…
Mechanical drawing
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