Cyclopedia of mechanical engineering; a general reference work. Editor-in-chief Howard Monroe Raymond. Assisted by a corps of mechanical engineers, technical experts, and designers of the highest professional standing (1908)
American School (Chicago, Ill.), Raymond, Howard Monroe · Chicago American Technical Society · leaf 123
y pattern shops. In these patterns the rims arebuilt up of segments § inch to | inch in thickness. To illustrate this work fully, let us take up the successive stepsin the construction of a countershaft pulley 20 inches in diameterand of 6-inch face, made to fit a shaft If inches in diameter.The… … Fig. 173. If the rim is to be finished on the face and edges only, -rir inchmust be allowed for turning, making the outside diameter of thepattern 20^ inches, and the width of the face should be 6^ inches. In addition to -iV inch for finish, the draft on the outside of therim, from each edge to the…
Mechanical engineering -- Dictionaries
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