A hydraulic punch press is used to punch a slot in a 0.60-in.-thick plate, as illustrated in the figure. If the plate shears at a stress of 31 ksi, determine the minimum force P (in kips rounded to the nearest hundredths) required to punch the slot. Assume d = 0.50 in. and a = 2.75 in.
A hydraulic punch press is used to punch a slot in a 0.60-in.-thick plate, as illustrated in the figure. If the plate shears at a stress of 31 ksi, determine the minimum force P (in kips rounded to the nearest hundredths) required to punch the slot. Assume d = 0.50 in. and a = 2.75 in.
Understanding Motor Controls
4th Edition
ISBN:9781337798686
Author:Stephen L. Herman
Publisher:Stephen L. Herman
Chapter25: Autotransformer Starting
Section: Chapter Questions
Problem 2RQ: Explain the differences between open and closed transition starting.
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A hydraulic punch press is used to punch a slot in a 0.60-in.-thick plate, as illustrated in the figure. If the plate shears at a stress of 31 ksi, determine the minimum force P (in kips rounded to the nearest hundredths) required to punch the slot. Assume d = 0.50 in. and a = 2.75 in.
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