12 Questions
In sheet metal cutting, what does clearance too small cause?
Less-than optimal fracture and excessive forces
What is the impact of V-Bending on metal?
Both compression and tensile elongation occur
What does Sprigback cause in bending?
Decrease in bend angle and increase in bend radius
What determines the hole size in sheet metal cutting?
Punch size
In deep drawing, which stage involves the initial contact, bending, friction, and compression of the work?
Before punch contacts work
What is the function of a blank holder force in the process of redrawing a cup?
To hold the blank in place
What is the purpose of a wiping die in sheet-metal bending?
To smoothen the bent edge
What can cause wrinkling in drawn parts during the deep drawing process?
Compressive buckling
What is the capacity of the press brake mentioned?
1250 tons
Which type of press is shown in the photo courtesy of Greenerd Press & Machine Company, Inc.?
Straight-sided frame press
What process involves the pressurization of the cavity with hydraulic fluid?
Electrohydraulic forming
In which process does a shock wave form the part and plume escape the water surface?
Explosive forming
Test your knowledge of sheet metal cutting operations including blanking, punching, cutoff, slotting, perforating, and notching. Understand the importance of clearance and cutting forces in these processes.
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