Pattern making; a practical treatise for the pattern maker on wood-working and wood turning, tools and equipment, construction of simple and complicated patterns, modern molding machines and molding practice (1916)
Ritchey, James, Monroe, Walter W. (Walter William), b. 1869 · Chicago, American technical society · leaf 234
is poured. HOLLOW ROLL CAST ON STEEL SHAFTSplit-Pattern Method Construction. In the first of the two methods of making thecast-iron roll, Fig. 372, to be considered, the steel shaft is placed PATTERN MAKING 215 in the mold, and, having been spotted with a drill on the portionswhich are in the hubs,… … Fig. 373. Split Pattern for Cast-Iron Roll
Patternmaking
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