Modern moulding and pattern-making : a practical treatise upon pattern-shop and foundry work, embracing the moulding of pulleys, spur gears, worm gears, balance-wheels, stationary-engine and locomotive cylinders, globe valves, tool work, mining machinery, screw-propellers, pattern-shop machinery, and the latest improvements in English and American cupolas (1885)
Mullin, Joseph P · New York : D. Van Nostrand · leaf 102
OULDING AND PATTERN-MAKING. of Fig. 82 will show the reader the different projections of the same parts ; thus, L is the joint for the end of the exhaust core. Having given the above description of the pattern, and how to make it, we will leave the pattern-making for the present, and turn our… … Fig. 83. Fig. 85 is a plan of the mould with the cope lifted off, and the steam-inlet, exhaust, and steam-port cores set in place. As will be seen by Fig. 84, the flask is made with a jog or step, corresponding in shape to an end view of the surface of the pattern, with the section JT, Fig. 81,…
Founding · Patternmaking
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