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- How to set the knife clearance?
- The relationship between the shearing angle and plate thickness
- QC11Y shearing and QC12Y shearing
- How to choose the capacity of a press brake?
- The spring-back of the material
- How the CNC press brake work?
- How to choose the V-die for a press brake ?
- How to solve barrel defect during roll bending
- How to solve reel defect during roll bending
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Selecting a V-die
An average opening of a V-die equals 8 times the thickness of the plate.
With normal plates (i.e. st = 450N/mm2) the minimal V-opening may be as low as 6 times the thickness of the plate.
When bending hard brittle plates, the recommended V-opening must vary between 10 to 12 times the thickness of the plate in order to prevent it from cracking.
