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How To Improve The Wear Resistance Of The Die Surface And The Toughness Of The Base Metal?

The surface super-hardening treatment technology of TD mold for automobile mold adopts the principle of TD (Thermal Diffusion Carbide Coating Process) of metal carbide diffusion coating. The metal atoms in the molten salt react with the carbon and nitrogen atoms in the workpiece chemically, and diffuse on the surface of the workpiece to form a metal carbide layer of several microns to more than 20 microns of vanadium, niobium, chromium, and titanium.


  • 1. Greatly improve the service life of the tool or the workpiece, and save the production cost or operating cost.
  • 2. Greatly improve product appearance, improve product size uniformity, and improve product quality.
  • 3. Significantly save maintenance time and labor intensity, and reduce losses caused by maintenance downtime.
  • 4. The friction coefficient is reduced, the anti-seizure performance is greatly improved, and there is no need for lubrication or reduction of lubrication or the use of advanced lubrication products.

Features of auto mold TD processing

With the development of society (automobile industry), people have higher requirements in all aspects. In order to meet this demand, especially the requirements for the safety performance of automobiles are getting higher and higher, and the steel used in automobiles is stronger and stronger, and the requirements for the quality of molds are also constantly improving. The mold is easy to be strained during the production process. In order to solve the problem of mold strain, we must strengthen the surface of the automobile mold. There are many kinds of strengthening treatment, and TD treatment is the most suitable and practical at present.

After the mold is treated by TD, the wear resistance of the mold surface and the toughness of the base material will be greatly improved. Compared with ordinary molds under normal conditions, its service life will be increased by more than 8 times; at the same time, the defective rate of the product will be reduced by 10%. The above; also saves the number of repeated mold repairs and mold installations, and more importantly, saves production costs in all aspects.

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