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 ... (1907)
Mullin, Joseph P · New York : D. Van Nostrand · leaf 69
48 MODERN MOULDING AND PATTERN-MAKING. liubs should be loose, as they will draw from the sand easier. MOULDING. When moulding, use a two-part flask, bed the pattern in the floor, and make the parting at points of teeth AT, Fig. 38. Set on body of flask L, Fig. 39, fill in and … Fig. 38. mould outside of the rim and between the teeth, and make the parting at points of the same, as shown at Fig. 39. Now put on cope iV", ram it up, and make the gate. Then lift off the cope, and draw the upper half of the pattern. While doing this the pattern must be turned to the right or…
Founding · Patternmaking
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
