Performance comparison between PCD dies and tungsten carbide dies

Compared with the Carbide drawing dies, PCD die tensile strength of only 70% of the common cemented Carbide drawing dies, but the hardness is 2.5 times Carbide drawing dies. This makes the PCD die has more advantages than the Carbide drawing dies die. PCD wire drawing dies made with good wear resistance, wear uniform bore, strong shock resistance, high drawing efficiency. So now PCD wire drawing die in the metal industry began to be valued.

Compared with the Carbide drawing dies, PCD die has the following obvious advantages:

1. High pulling efficiency. Drawing dies in the course of the necessary maintenance of life and the surface quality of wire drawing dies are very important, the customer is usually recommended for PCD Drawing Die maintenance once every 24 hours. Within 24 hours of PCD drawing die aperture variation is small, the rate of change in diameter of the wire is small pull pull. For the entire production process, the diameter of each compression ratio only drawing dies are relatively stable, the ratio of input and output is large.

2. Wear a good, long life. PCD Drawing Die Carbide drawing dies life of about 30 to 50 times the die, so in the process of drawing you do not need often stop to replace the mold. PCD drawing die aperture in unit time is very small, small pull pull wire size changes, which roll around the wire is very favorable. Number of turns of wire wound generally pull pull is fixed, if the wire quickly finished size becomes large, relatively rapid reduction in the number of turns, which requires changing the size of the roll, is not conducive to production efficiency.

3. conservation of raw materials. If the drawn coated with metal wire, stopping the process of drawing the plating process has not stopped, which led to the wire surface plating plating thickness is exceeded, when the need to re-start drawing excessive thickness of the wire cut, resulting in a very a waste, downtime costs increased with greater. Using PCD dies you can greatly reduce this waste.

4. Reduce labor intensity. Since PCD drawing die long life, expanding number of slow, does not require frequent replacement of mold, unlike Carbide drawing dies drawing dies must always pay attention to changes in the size of the wire, greatly reducing the labor intensity of the workers, a worker in the production process the energy balance of 4 to 5 drawing machine.

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