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 74
56 MODERN MOULDING AND PATTERN-MAKI^s'G. of tlie wheel should be loose on one side of the segment, as they are wanted when finishing the mould. We now make the arm core box, shown at Fig. 49. This box has a section of the hub, the bead on the in- … Fig. 48. side of the rim of the wheel, and also half the arm of the wheel, set in the ends and bottom, as shown at E and F. The depth of the box should be just equal to Fig. 49. half the width of the face of the rim. In the present example, the face of the wheel is 8'^ ; the depth of the box must…
Founding · Patternmaking
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
