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An engineer makes steel plate from cast blooms by flat rolling. She is considering changing the p...

An engineer makes steel plate from cast blooms by flat rolling. She is considering changing the process to take larger reductions per pass

  1. what is one technical advantage of taking larger rather than smaller reductions per pass?
  2. what is one technical disadvantage of taking larger rather than smaller reductions per pass?
  3. What is one economic advantage of taking larger rather than smaller reductions per pass?
  4. What is one economic disadvantage of taking larger rather than smaller reduction per pass?
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Answer #1

a). Better strain hardening.

b). Poor tolerance and surface finish is obtained.

c). Time taken to finish one job decreases, thus many workpieces can be machined which increases profit.

d). The forces required for machining increase drastically, the machine should be upgraded for such purpose.

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