How to process the holes on the carbide?

Tungsten carbide [https://www.zzcrcarbide.com/], also known as tungsten steel, is an alloy material made of hard compounds of refractory metals and bonded metals through powder metallurgy process, which has a series of characteristics such as high hardness, wear resistance, good strength and toughness. Its high hardness is the most prominent, remaining largely unchanged even at a temperature of 500 degrees C, and still having a high hardness at 1000 degrees C. It can be said that it is a difficult thing to make holes in cemented carbide, and today Chuangrui Xiaobian will share with you how to process the holes on cemented carbide.

Commonly used methods for processing holes in cemented carbide include wire cutting, drilling, EDM drilling, laser drilling, etc.

The hardness of cemented carbide can reach 89~95HRA, because of this, cemented carbide products have the characteristics of not easy to be worn, hard and not afraid of annealing, but brittle. All holes in tungsten carbide are made with great care.

DRILLING WITH A DRILL BIT IS SUITABLE FOR MAKING RELATIVELY LARGE HOLES, HOLES WITH A DIAMETER OF MORE THAN 2MM. The disadvantage of using a drill bit to drill a hole is that the drill bit is prone to breakage, resulting in a high rejection rate of the product.

EDM drilling is one of the common methods for cemented carbide hole machining. THE HOLES IT PROCESSES ARE GENERALLY MORE THAN 0.2MM, THE SAFETY OF SPARK DRILLING IS HIGH, THE ACCURACY IS RELATIVELY HIGH, AND THE DEPTH OF THE STRAIGHT HOLE IS NOT LIMITED. However, EDM drilling takes a long time and the processing speed is very slow. It is not suitable for some products with tight delivery time.

There is also a method of laser perforation. CEMENTED CARBIDE HOLE PROCESSING [https://www.zzcrcarbide.com/]WITH LASER DRILLING CAN MAKE HOLES ABOVE 0.01MM, THE ACCURACY IS VERY HIGH, AND THE PROCESSING SPEED IS RELATIVELY FAST, IT IS THE BEST PUNCHING SCHEME, BUT ITS PROCESSING DEPTH IS GENERALLY NOT MORE THAN 5-8MM.

The main components of cemented carbide are tungsten carbide and cobalt, which account for 99% of all components, 1% of other metals, with very high hardness, often used in high-precision machining, high-precision tool materials, lathes, percussion drill bits, glass knife heads, ceramic tile cutters, hard and not afraid of annealing, but brittle. It belongs to the list of rare metals. It can also be used to make rock drilling tools, mining tools, drilling tools, measuring measuring tools, wear-resistant parts, metal abrasive tools, cylinder linings, precision bearings, nozzles, etc.

Zhuzhou Chuangrui Cemented Carbide Co., Ltd. has EDM, wire cutting line, and a large number of milling machines, grinding machines, CNC machine tools, boring machines and other advanced equipment, which can meet the special processing requirements of customers for various cemented carbide products and provide solutions for harsh working conditions.

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Company Name: Zhuzhou Chuangrui Cemented Carbide Co., Ltd.
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Country: China
Website: https://www.zzcrcarbide.com/



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