Press tonnage: Determine the die press tonnage for the given stock size of ½*2*2 inch made of cold rolled steel. Given that the shear strength of the material is 58 kg/inch. Press tonnage: The tonnage of a press is the force that the press ram is able to exert safely. What is the advantages of progressive die over compound die : Progressive dies performs two or more operations at different stages every time the ram descends while a compound die performs two or more operations during one stroke of the press at one station only. But compound die is slower than progressive die. Moreover, progressive dies have advantages in case of long strip of material.
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