Will the force in direct extrusion vary as the billet becomes shorter? If so does the extrusion force vary during a single extrusion process or stroke? Why?
I already know the answer is probably yes. But the answers to this question on chegg are sourced from formulas that DO NOT INCLUDE LENGTH ! If length is not in the formula, you cannot use it to identify a relationship between billet length and extrusion force. So PLEASE use a formula for direct extrusion force that INCORPORATES BILLET LENGTH.
Thanks!
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