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 217
H us 51 ^[ACHINE SHOP WORK 163 ill the niilliiitf machine spindle directly opposite the cam roll.Tho spindle of the cam-cuttinir attachment is mounted on a car-riage, whieli. l>y means of a weight over a pulley at the end ofthe milling machint talilc, is always kejit willi the leader incontact… … Fig. 227.recedes from the cam roll according to the shape of the leader.When cutting closed cams, it is sometimes desirable to use thehand-made male leader as a form from which to make a closed orfemale leader. This female leader will surround the cam roll insuch a way that, even if the weight…
Mechanical engineering
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