Benjamin, Charles H[enry], 1856- [from old catalog] · New York, H. Holt and company · leaf 316
PUNCH AND SHEAR DETAILS 283 the clutch and the frame. The latter method necessitates ahollow shaft in order to obtain a rigid connection between thesleeve and the clutch and is not much used on small machines. 155. Punch, Die, and Holders.—In all punch and die work thedie is made a little larger… … ^USINQ H£Aa, o o o o
Machine design
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