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 177
ODEEN MOULDING AND PATTERN-MAKING. After drying, the form of the blade is filled up with sand, and then swept off true with the straight sweep- board i, thus producing the acting surface of the blade. Then we are ready to remove the curved guide-board, make parting, and then cover the whole surface… … Fig. 159. Remove the sand from the form of the blade after the cope has been lifted off. The blades are thus moulded separately; and when each section has been thoroughly dried and finished, we are ready to close the mould, set the hub-core JS, Fig. 158, make the joints tiglit and secure, and be…
Founding · Patternmaking
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
