Do You Know Carbide Die Polishing Process?

Do You Know Carbide Die Polishing Process??

Tungsten carbide die has high hardness, high wear resistance, heat resistance and corrosion resistance, so the application range is wide, in use, good polishing can improve the light index of the workpiece surface, from the human visual point of view is more bright, but the size of the parts has not changed, the surface roughness has not changed.

Polishing is an important process in the processing of cemented carbide die, of which tungsten steel cemented carbide die difficulty coefficient is high, but the polished die is not only practical and beautiful, but also can increase wear resistance. So what are the polishing processes?

First, fluid polishing

Fluid polishing is to rely on the high-speed flow of liquid and its carrying particles to wash the surface of the cemented carbide die to achieve the purpose of polishing.

Second, chemical polishing

Chemical polishing is to make the carbide die in the chemical medium surface of the micro-convex part of the concave part of the priority to dissolve, so as to obtain a smooth surface. This method can polish carbide molds with complex shapes, and can polish many workpieces at the same time, with high efficiency.

Third, electrolytic polishing

The principle of electrolytic polishing is the same as that of chemical polishing, that is, by selectively dissolving small protruding parts on the surface of the material to make the surface smooth. Compared with chemical polishing, the effect of cathode reaction can be eliminated and the effect is better.

Fourth, ultrasonic polishing

The abrasive is placed in the abrasive suspension and placed together in the ultrasonic field, and the abrasive is grinded and polished on the die surface by the oscillation of the ultrasonic wave.

Fifth, magnetic grinding and polishing

Magnetic grinding and polishing is the use of magnetic abrasive under the action of magnetic field to form an abrasive brush, grinding and processing of the mold.

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