Pattern making and foundry practice; a plain statement of the methods of wood pattern making, as practiced in modern pattern shops, with complete instructions for sweep work and notes on foundry practice, together with numerous drawings taken from actual patterns .. (1905)
Hand, L. H. (Louis Henry), b. 1854 · Chicago, F. J. Drake & co. · leaf 68
ntop and bottom. In order to make a core in thisbox, the core maker puts the box together beforehim on the table. He then fills it with preparedsand and smoothes it off level with the top. AND FOUNDRY PRACTICE 63 Core boxes are finished and polished on theinside only. The next example is a casting… … working drawing, which, as has already beenstated, must show the casting, the core and thecore prints. Fig. 27 shows a cross-sectionthrough the casting and core; this being the onlydrawing needed for making the pattern. Thispattern was made by gluing together pieces ofmaterial of ordinary size, as…
Patternmaking · Founding
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