A compound die will be used to blank andpunch a large washer out of 6061STaluminum alloy sheet stock 3.50 mmthick. The outside diameter of the washeris 50.0 mm and the inside diameter is15.0 mm. if The aluminum sheet metalhas a tensile strength = 310 MPa, astrength coefficient of 350 MPa, and astrain-hardening exponent of 0.12. (a)Assume that blanking and punching occursimultaneously. (b) Assume the punchesare staggered so that punching occursfirst, then blanking. Determine (1) thepunch and die sizes for the blankingoperation, and (2) the punch and die sizesfor the punching operation.(3) theminimum tonnage press to perform theblanking and punching operation

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first, then blanking. Determine (1) the punch and die sizes for the blanking operation, and (2) the punch and die sizes for the punching operation.(3) the minimum tonnage press to perform the blanking and punching operation

first, then blanking. Determine (1) the punch and die sizes for the blanking operation, and (2) the punch and die sizes for the punching operation.(3) the minimum tonnage press to perform the blanking and punching operation

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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A compound die will be used to blank and punch a large washer out of 6061ST aluminum alloy sheet stock 3.50 mm thick. The outside diameter of the washer is 50.0 mm and the inside diameter is 15.0 mm. Determine the punch and die sizes for the punching operation. TABLE 20.1 Clearance allowance value for three sheet-metal groups. Metal Group A. 1100S and 5052S aluminum alloys, all tempers 2024ST and 6061ST aluminum alloys; brass, all tempers; soft cold- 0.045 0.060 rolled steel, soft stainless steel Cold-rolled steel, half hard; stainless steel, half-hard and full-hard 0.075 Select one: a. 18.42 mm b. 20.42 mm c. 19.42 mm d. 15.42 mm
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