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Elementary,Middle School,High School,College,University,PHD
| Teaching Since: | May 2017 |
| Last Sign in: | 399 Weeks Ago |
| Questions Answered: | 66690 |
| Tutorials Posted: | 66688 |
MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
Cast iron or steel molds are used in a horizontal-spindle machine to make tubular castings such as liners and tubes. A charge of molten metal is poured into the spinning mold. The radial acceleration permits nearly uniformly thick wall sections to form. A steel finer, of length L = 2 m, outer radius ra = 0.15 m, and inner radius r, = 0.10 m, is to be formed by this process. To attain nearly uniform thickness, the magnitude of the minimum radial acceleration should be lOg. Determine (a) the required angular velocity and (b) the maximum and minimum pressures on the surface of the mold.
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