2021 Best Hydraulic Upset Draw Punch Cut Press For
2020-1-1 · In forging process, strain rate may lie in the range 10 −3 –10 −2 s −1, depending on whether it is press forging or hammer forging. In the cold forging the effective Coulomb's coefficient of friction ranges from 0.05 to 0.15 and 0.1 to 0.5 in hot forging. In most of … Get Price
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