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 130
l core print should fit tightly, but are not to be gluedto the pattern unless it is known that the size of the cored hole willnot be altered. The cope core prints should fit loosely, so that theycan be removed while ramming the nowel mold. The mold partingwill then occur on line pjJ> Fig. 193,… … Fig. 194. Disk Crank Construction. Fig.194 illustrates a finishedcast-iron disk crank for an engine of 12-inch stroke. This crankis finished on the face, pn the outer edge, and on the end of thehub. It is bored out 3| inches to fit on the engine shaft, and 2\inches to receive the wrist pin. An…
Patternmaking
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