Studies in Cold-Drawing: Part 3, Determination of Friction Coefficient
- 1 January 1956
- journal article
- research article
- Published by ASME International in Transactions of the American Society of Mechanical Engineers
- Vol. 78 (1) , 79-87
- https://doi.org/10.1115/1.4013573
Abstract
Part 3 is a continuation of the studies in cold-drawing. Average coefficients of drawing friction were determined for forward and reversed drawing of 2S-O aluminum and SAE 1020 steel by Sachs’ theory and compared with measurements using SR-4 wire strain gages on the outer die surface to determine die pressures. Die profiles were determined by plastic castings. A series of dies were used to provide true reductions of rod area up to 0.76 at drawing speeds of 2 ipm.Keywords
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