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Metal Treating

Metal treating is one more way that MPTD strives to provide better services for their customers!

Heat Treating

Heat treating is used within the production process as a means of hardening the metal after cutting and grinding.  But it can also be utilized to harden the metals on tools and dies to make them durable and last longer.

Passivation

Passivation is a chemical process that assists rust & corrosion prevention in metals.  This can be extremely useful for tools that are consistently exposed to the elements or exposed to various chemicals.  Passivation is often used on stainless steels (400 series) and is used for cleaning 300 series parts.

Polycrystalline diamond coating

No shop can afford the downtime of worn tools in need of repair.  But in a high volume production facility, machines are often worked to their limit.  Polycrystalline diamond coating applied to tools and dies provides superior resistance to wear and damage.  This diamond layer is not only hard but also has a low coefficient of friction.  Any tools which have become a maintenance headache and cause excessive downtime are excellent candidates for the application of PCD.  It also features increased stability and durability at high temperatures of both working and machining.

With existing tools, the process consists of removing the worn area of the tool and bonding a piece of polycrystalline diamond wafer to the tool either by induction soldering, adhesive, or mechanical retention.  The tool is then machined to its original configuration.

  • Wear resistant material
  • Stable and durable
  • Extend tool life

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Copyright © 2006 Midwest Precision Tool & Die, Inc.
Last modified: October 20, 2006