Brazing PCD Inserts in Drilling Tools

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Advantages Of Induction Heating

♦ Rapid heating saves time and improves productivity

♦ More control with the precise, even heating of part or all of the tube

♦ Clean, non-contact process minimizes the introduction of heat into the local environment

♦ Energy efficient when compared to other common heating methods

In down hole fixed cutter, rock, or hammer drill bit manufacturing and rebuild operations, 40-60 tool inserts are individually brazed onto a single drill bit. These inserts may be a polycrystalline diamond compact (PDC) or tungsten carbide insert (TCI). Induction heating is the ideal method for brazing due to its reliability, repeatability, efficiency and safety in application, which offer not only a better joint quality, but also more throughput.

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