Rogers' drawing and design; an educational treatise relating to linear drawing; machine design; working drawings; transmission methods; steam, electrical and metal working machines and parts; lathes; boiler and parts; instruments and their use; tables, etc (1913)
Hawkins, N. (Nehemiah), 1833- · New York, T. Audel · leaf 283
0. their upward stroke. It is evident that the metalmust be fed below the stripper. Fig. 461 shows the simplest form of a drawingpunch and die. The flat circular blank. Fig. 460,is placed upon the die so as to fit the set edge S,and is pushed through the die by the punch. Whilethe punch returns… … Fig. 461. Fig. 462 shows the shell. This simple form of adrawing die should be used only on shallow work,to avoid crimping around the edge of the shell.When the blank is held firmly while being drawn,the crimping even on deeper work may be avoided. ROGERS DRAWING AND DESIGN. 311
Mechanical drawing · Machine design
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