Afterwards metallic portions are acid leached. The PCD now is thermostable up to temperatures near 1,000 °C. Thus reducing the risk of cracks at high drawing speeds and high deformation degrees.
The conically cut and polished PCD blanc is pressed into the tungsten carbide ring. The conical fitting surface of PCD and ring gives a better support against the axial drawing forces.
This is the new MANT MTD-15-005-TS.
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