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 220
nes. The injury due to punching, when the plates havenot been cracked by the process, may be remediedby annealing them after punching; the ill effect ofpunching may also be removed by punching theholes ys smaller in diameter than the required sizeof the hole, which may then be completed by… … Fig. 361. Rivets are made in different forms; that mostcommonly employed being of a spherical or cup headform, as illustrated in Fig. 361 ; both parts of thisrivet show the spherical head. 244 ROGERS DRAWING AND DESIGN. The rivet shown in Fig. 362 has a conical head,the lower part showing a pan…
Mechanical drawing · Machine design
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