In any punching process you want as clean a cut as possible though it may be that the load required for a cut could increase and the.
As sheet metal stock hardness increases the clearance between punch and die should.
Determination of the punch and die clearance value.
This helps to prevent the punch from working into the die and minimizes.
A circular sheet metal slug produced in a hole punching operation will have the same diameter as a the die opening or b the punch.
As sheet metal stock hardness increases in a blanking operation the clearance between punch and die should be increased a circular sheet metal slug produced in a hole punching operation will have the same diameter as the.
As sheet metal stock hardness increases in a blanking operation the clearance between punch and die should be a decreased b increased or c remain the same.
For more information please read proper die clearance.
For the determination of the die clearance value empirical formulas and charts are generally used.
16 6 as sheet metal stock hardness increases in a blanking operation the clearance between punch and die should be a decreased b increased or c remain the same.
Each test result was recorded and a mathematical model was created.
Recommended punch and die clearance table see table 1 below the harm of too small clearance.
The stress of high speed stamping can cause punches to work into the retainer damaging both the punches and retainer.
The die opening or b.
20 3 as sheet metal stock hardness increases in a blanking operation the clearance between punch anddie should be a decreased b increased or c remain the same.
I m not sure the hardness has that much of an effect on sheet.
Enter information about the stock you are punching in rows a b and c below.
Enter information about your punch in row d.
Match head and plate hardness.
As sheet metal stock hardness increases in a blanking operation the clearance between punch and die should be a.
Increased a circular sheet metal slug produced in a hole punching operation will have the same diameter as a.
B a circular sheet metal slug produced in a hole punching operation will have the same diameter as a the die opening or b the punch.
Increased 16 7 a circular sheet metal slug produced in a hole punching operation will have the same diameter as the a die opening or b punch.
To prevent this try using backing plates behind the punch pads or retainers that match punch head hardness same hrc.
The life of the mold is shortened.
