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An annealed aluminum alloy slab with a thickness of 12 mm and width of 1m is...

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Mechanical Engineering

  1. An annealed aluminum alloy slab with a thickness of 12 mm andwidth of 1m is to be cold rolled to a thickness of 9 mm using2-high rolls with roll diameter of 1m. The rolls have a coefficientof friction of 0.08 and they are rotating with a speed of 18 RPM.The aluminum has an entrance speed of 50 m/min and a width thatdoes not change as a result of drawing. The strength coefficient K=240 and strain hardening exponent n =0.15. Please answer thefollowing:

  1. Is the proposed reduction possible?
  2. Calculate the rolling forward slip.
  3. Calculate the rolling force (N).
  4. Find the total power (W) consumed by the process.

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