What is the Maximum Contact Force and Forging Height of a Mechanical Press?

[melissa123]

deformation and forging! (URGENT!)

A mechanical press is powered by a 22.4 kW motor and operates at 40 strokes per
minute. It uses a flywheel, so that the rotational speed of the crankshaft does not vary appreciably during the stroke.
(a) If the stroke length is 15.24 cm, what is the maximum contact force that can be exerted over the entire stroke length?

(b) Using this press, to what height can a 5052-O aluminium cylinder with a diameter of 1.27 cm and a height of 5.08 cm be forged before the press stalls?
Value of k = 690, value of n = 0.16

 

[Valkarie]

(a) The maximum contact force that can be exerted over the entire stroke length is 11,854 N. (b) The height to which a 5052-O aluminium cylinder with a diameter of 1.27 cm and a height of 5.08 cm can be forged before the press stalls is approximately 2.2 cm.