1. Will the force in direct extrusion vary as the billet becomes shorter? If so, why? 2. Can spur… 1 answer below »

1. Will the
force in direct extrusion vary as the billet becomes shorter? If so, why?

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2. Can spur
gears be made by (a) drawing and (b) extrusion? Can helical gears? Explain.

3. Explain
the advantages of bundle drawing.