Hutton, Frederick Remsen, 1853- [from old catalog] · New York, J. Wiley & sons; [etc., etc.] · leaf 423
ne process two cast-iron formers are used,one male and one female. The disk is heated uniformly allover, and when at proper temperature is laid upon the top ofthe hollow female die. The* male die descends concentricwith the other by hydraulic pressure, and forces the plate tobend up uniformly all… … Fig. 322. plate is held at a proper temperature between the faces of ahydraulic vise, while pressure comes radially upon the edgeof the disk from hydraulic cylinders which carry shaping- THE STEAM-BOILER. GENERAL CONSTRUCTION. 38/ heads and bend down the edge gradually until the disk fits-the…
Mechanical engineering · Steam power plants
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