FAQ - Frequently asked questions

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• Forming
  • Tab punch with and without free punching (U-Form)
  • Insert systems/ card guides
  • Thread-forming in sheetmetal
  • Solutions for minimizing scratches caused by Forming Tools
  • Aesthetic form tool designs
  • Max. Depth of Countersinks
  • Continuous Countersink Tool (Spring-Loaded base / solid base)
• Punching holes
  • Tooling that relieves sheet stress and warping
  • Multi-hole spacing - skipping rows
  • Short definitions for hole arrangements
• Increasing tool life
  • Coatings
  • Back Taper on Punches
  • Corner radii on punches
  • Polished punch edges for EDM special shapes
• Form punching tools
  • Rounding sheet corners (corner radius tools)
  • Producing large round holes (Multi-radius and arc-type tools)
  • Corner notching tools "triangles"
• PASS-Systems
  • Different stripper types for Trumpf punching machines
  • PASSfit Punch Alingment System
  • Minimising sheet scratches in production; "brush, polish"
• Calculations
  • Calculation of punching force
  • Calculation of maximum diameters/shape
• Others
  • Punching Press-Fit Holes