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  Tool Coatings and Benefits 2

Checklist when Utilizing Tool Coatings and Treatments

  1. Compatibility of the substrate steel with the tool coatings, including the heat treatment and temper of the steel.  How will the tool coatings affect the substrate metal?
  2. Size of the die components.  The die components must be small enough to fit in the application enclosures.
  3. Dimensional change, if any, in the tool.
  4. The dies must be cleaned thoroughly before during and after production.
  5. The stamping material must be thoroughly cleaned and dirt free when entering the tool.  Do not allow any raw material to make contact with the shop floor.
  6. The stamping lubricant must be clean and compatible with the raw material and applied evenly throughout the tool.  Drain holes should be used, especially in draw die rings.  Do not use lubricants that are susceptible to "burn" in no clearance applications or metal to metal contact areas.
  7. Ready spare tooling should be considered, especially for high volume wear components.
  8. Pilots can also be tool coated to extend wear, as opposed to carbide.
  9. Guide rails and inserts can also be coated in high performance tools.
  10. For added performance the substrate steel should be draw polished or AFM, especially draw dies and form dies.  Never polish the coated surface.
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