English
It not only has the smoothness and temperature resistance of single crystal diamond,but also has the advantages of pcd polycrystalline diamond wear resistance and low price.It has achieved good results in replacing rare nd natural diamonds in the preparation of wire drawing dies tools.
The nano-diamond coating drawing die is made of cemented carbide (WC-Co) as the substrate, and the surface of the inner hole is coated with a micro-nano-scale diamond composite coating by chemical vapour deposition (CVD), which is ground and polished.