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Samolyk and Pater (2004) ran an automated slip-line field analysis on closed-die forging, and found that their results were within 20% of the results from FEM, but the analysis only took 1/10 of the time. Although none of these examples have been used in closed loop control of product...
A CNC milling machine was used to machine the die from 300 mm × 300 mm × 40 mm SS304 steel alloy (Figure 6). A middle block of 40 mm × 40 mm with small air vents of 3 mm were also machined and drilled, respectively. The air vents are used to evacuate the entrapped air betwe...
deciding about the punch’s further operation, is the area of the so-called “calotte”. The short-term life of the tools results from very hard performance conditions present during the forging process (periodical high mechanical and thermal loads, long path of friction). The latter cause int...