Physics · Manufacturing Engineering
A blanking operation is performed on a C20 steel sheet to obtain a circular disc having a diameter of 20 mm and a thickness of 2 mm. If a clearance allowance factor of 0.04 is provided relative to the sheet thickness, what is the required punch size for the operation?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 120.16 mm
- 220.04 mm
- 320.00 mm
- 419.84 mm✓
Correct answer
19.84 mm
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