Accuracy of Cold Bulk Stamping in Crank Presses in Dies with and without of Stop Blocks. Part 1. Upsetting-Calibration

摘要

There is described the method of analysis and there are presented the results of calculation of height size inaccuracies of pieces stamped in crank presses by traditional method and in dies with stop blocks. The analysis of factors influencing on height size accuracy of pieces stamped by upsetting, back extrusion and in closed dies is presented.