A cylindrical specimen made of annealed 1112 steel ( strength coefficient k=750 mpa, strain hardening coefficient n=0.15) has a diameter of 225 mm and 125 mm high. it is upset at room temperature, by open die forging with flat dies to a height of 50 mm. assuming that the coefficient of friction is 0.2, calculate upsetting force required at the end of the stroke. use average pressure formula.
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Explanation:
so here we have data 112 steel
diameter is 225mm
125 is high
friction is 0.2
so calculate this u wil get
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