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 192
ommonly made of machine steel,while the end mills are made from tool steel. The short, steeptaper and threaded end are shorter than the long taper shank, andtherefore make a cheaper cutter. One of the best means for holding small end mills is by theuse of spring collets, Fig. 207, which can firmly… … Fig. -07. -MACHINE SHOP WORK un An urdiiiarv drill cluick cmii ]h- held in llic spindle hy incaiisof a tajwr shank, and fiirnisli a means of holdin^r stiaiolitsliatdcdrills and other small straight-shank tools. A very convenient metliod of liolding certain tools consistsin titling a three-jawed…
Mechanical engineering
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