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 134
eccentric held in thecliuck. Tlie diameter of the hole heing comparatively large, areamer is not generally used. The eccentric is now moved on thefaceplate a distance eijual to one-half the throw of the eccentric,Ijringing the outer surface concentric with the lathe axis, as shownhy the full lines,… … Boring. The horiiig of holes sometimes calls for a lengthand strength of tool that cannot he readily attained with the ordi-nary boring tool. A great deal of such boring is done withdouble-headed tools, ihese tools are held in bars and cut ateach end. An ordinary form of such a tool is shown iu…
Mechanical engineering
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