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 214
, divide the perpendicu-lar of this triangle by its base, and obtain the value of the anglefrom a tal)le of sines. . Spirals. The cutting of spirals requires another operationdifferent fron, ordinary work. In addition to the angular settingthe work must be rotated, in order to produce the spiral,… … Fig. -6H.as one turn in n inches. After cutting one spirp.! groove, thework is turned and indexed the same as in plain nulling. Cams. Both open and closed cams can be readily cut on aplain milling machine by the use of the cam-cutting attadM.ent,Y\a 22r, which nearly all makers are able to furnish.…
Mechanical engineering
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
