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12 Questions

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Sheet Metal Cutting Operations Quiz

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Questions and Answers

In sheet metal cutting, what does clearance too small cause?

Oversized burr

Inadequate scrap separation

Ineffective separation of the part

Less-than optimal fracture and excessive forces (correct)

What is the impact of V-Bending on metal?

Only tensile elongation occurs

No elongation occurs

Only compression elongation occurs

Both compression and tensile elongation occur (correct)

What does Sprigback cause in bending?

Increase in bend angle and decrease in bend radius

Decrease in bend angle and increase in bend radius (correct)

No change in bend angle or radius

Consistent bend angle and radius

What determines the hole size in sheet metal cutting?

Punch size Signup and view all the answers

In deep drawing, which stage involves the initial contact, bending, friction, and compression of the work?

Before punch contacts work Signup and view all the answers

What is the function of a blank holder force in the process of redrawing a cup?

To hold the blank in place Signup and view all the answers

What is the purpose of a wiping die in sheet-metal bending?

To smoothen the bent edge Signup and view all the answers

What can cause wrinkling in drawn parts during the deep drawing process?

Compressive buckling Signup and view all the answers

What is the capacity of the press brake mentioned?

1250 tons Signup and view all the answers

Which type of press is shown in the photo courtesy of Greenerd Press & Machine Company, Inc.?

Straight-sided frame press Signup and view all the answers

What process involves the pressurization of the cavity with hydraulic fluid?

Electrohydraulic forming Signup and view all the answers

In which process does a shock wave form the part and plume escape the water surface?

Explosive forming Signup and view all the answers