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, a%3Dstrength 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

Given:- A = 0.06 C = 0.06 x 3.5 = 0.210 mm

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. if The aluminum sheet metal has a tensile strength = 310 MPa, a %3D

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. if The aluminum sheet metal has a tensile strength = 310 MPa, a %3D

Physics for Scientists and Engineers: Foundations and Connections

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Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter14: Static Equilibrium, Elasticity, And Fracture

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Problem 42PQ: A carbon nanotube is a nanometer-scale cylindrical tube composed of carbon atoms. One of its...

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Concept explainers

Mechanical Properties of Solids

There are three types of matter- solid, liquid and gas. Out of them, solids have a rigid shaped and size. The intermolecular forces of attractions in solids are greatest. Mechanical properties are the physical properties of a material which it shows, when it is provided with certain amount of force or load. These properties are to be kept in mind for various purposes. When a force is applied to an object, the object may or may not get deformed depending upon its elastic property. But every time the object develops a restoring force against the force applied. This is commonly known as stress. If the object changes its dimensions due to the force applied it develops strain ( which is the ratio of change in dimension to the original dimension).

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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. if The aluminum sheet metal
has a tensile strength = 310 MPa, a
%3D
strength coefficient of 350 MPa, and a
strain-hardening exponent of 0.12. (a)
Assume that blanking and punching occur
simultaneously. (b) Assume the punches
are staggered so that punching occurs
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

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