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 233
s, the matter of venting them is veryimportant and often calls for much ingenuity on tlie part of the coremaker. For simple straight work a good sized vent wire is run throughbefore the box is removed. Half cores have their vents cut in eachhalf before pasting together. Cinders are rammed in the… … Fig. 63. Short Bolt-Hole Cores. holes. This will be illustrated in one of the following examples. The examples here given will serve to illustrate the principalmethods used in making cores. The simplest form of core is one which can be rammed up andbaked as made by simply removing the box. v^hort…
Mechanical engineering -- Dictionaries
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