Energy during actual punching operation is same as the energy supplied by the motor.

Related MCQs

• In a punching press, load is 0 at the time of punching.
• The balance energy required for punching is supplied by the flywheel by  
• A machine punching 38 mm holes in 32 mm thick plate requires 7 N-m of energy per sq. mm of sheared area, find the maximum shear force required.
• In a punching press, which of the following quantity is constant?
• The maximum shear force required for punching depends on  
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