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 85
Fig. 120. 67 60 PATTERN MAKING will be lifted with it. The pattern is now removed; the bolt-holecores are placed in position; and the cope is returned to its placeon the drag. Ill this case the core prints should be in lengtli at least twicethe thickness of the metalthroujrh which the hole is to … V /^ \ 121. be cast, and the length ofthe cores will be eqiial to thethickness of the metal i)lnsthe length of the prints. In the small sheave pully,Fig. 121, we have an exami)l(;of a casting the constructionof the pattern for which, so asto make it easily removable from the sand, may give some…
Mechanical engineering -- Dictionaries
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