Tungsten copper and copper alloys

EDM carried out in the beginning than eternal room , copper or copper alloy is widely used as a processing electrode . Copper and copper alloys although expensive , easy to use , What, then copper and copper alloy electrodes because of impatience spark ablation electrode consuming large machining accuracy, occasionally need to stop the repeated processing. Many die along with the amount of difficult to machine precision, and data components of growth from time to time , as well as technology has become more sophisticated EDM , tungsten copper data as the cumulative amount of EDM electrodes . Currently, tungsten copper alloy can be used as resistance welding electrode ,

the electrode data EDM electrodes , plasma electrodes. In the EDM process, probation electrode data is processed pulses walks and minimal consumption of its own in addition to the erosion of the workpiece . Tungsten and copper data processing speed with fast , high- quality processing , data consumption is small electrode characteristics . Thus , work on finishing high speed machining of molds and hard data , such as a significant advantage . As EDM tungsten copper electrode request information both excellent thermal conductivity function , but also has good anti- corruption functions spark , and the data structure to be very average compact.

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Tungsten-copper (silver) alloy

Tungsten-copper (silver) alloy combines the tungsten and copper (silver) the benefits of metal, there is a world of high melting point of tungsten (tungsten melting point of 3410 ℃, iron melting point 1534 ℃), high density (density tungsten 19.34g/cm3, iron density of 7.8g/cm3); copper (silver) features good thermal conductivity, tungsten copper (silver) alloy (general category of identity WCu7 ~ WCu50) microscopic structure of the average, low temperature, high strength, resistance to arc erosion, high density; conductivity, thermal conductivity function is moderate, commonly used in low-temperature-resistant materials, high-voltage switch with electrical alloy, EDM electrodes, microelectronics materials, parts and components as widely used in aerospace, aviation, electronics, electric power, metallurgy, machinery, sports something other industries.

A two-phase structure of fake tungsten alloy, copper (silver) constitutes the main element is the metal matrix composite materials. Because copper (silver) and tungsten properties vary greatly, and thus can not be applied to stop production of casting method, now apply powder alloy ordinary skill stops made​​.

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Tungsten Copper Uses

Advantages integrated copper and tungsten copper tungsten alloy, high strength ,high weight,high temperature,high arc ablation,good thermal conductivity properties, processing performance, ANK tungsten copper alloy with high quality tungsten powder and oxygen-free copper powder, applications, etc.

isostatic pressing - (high temperature sintering) - copper infiltration, to ensure product purity and accuracy ratio, organized crime, and excellent performance. The Division of domestic quality tungsten copper tungsten copper alloy material, very suitable for high hardness materials and thin electrical discharge machining, EDM surface finish, high precision, low loss, effectively saving EDM electrode material to improve the speed and improve the accuracy of the mold .

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Tungsten-copper Composite Electrode

Composite electrode combination tungsten copper and iron, to prevent the use of this process in the past Welding Complex in the presence of pores, cracks problem.
Tungsten, copper and iron composite electrode is tungsten, copper, iron composite made of two materials, combined with strong
High, good conductivity.

1, with a reasonable tungsten, copper, iron, mechanical properties make it more reasonable,
Easier to use. Small precision machining electrode deformation problem has been
Good solution; Kwong Yuen Choi Tungsten Copper Tungsten Copper W60 W80 W70 tungsten copper tungsten copper
2, the electrodes may be directly adsorbed on the magnetic grinding stage, the processing of the
Flatness, surface finish and dimensional accuracy are no other processing methods
France and the ratio. Utmost of their superiority in processing large flat electrodes;
3, reference electrode grinding reproduction is good, especially for multi-step groups need
Electrode co workers;
4, a plurality of electrodes can be processed simultaneously, can greatly improve work efficiency;
5, the loss of the electrode by grinding reusable, high usage rate, a substantial increase
Work efficiency, reduce processing costs.

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Tungsten Copper Mold EDM

Tungsten copper mold used in the manufacture of EDM has the following advantages:
- High conductivity, high metal removal rates, and therefore higher productivity
- High hardness, long life
- High density, high surface finish machining mold
- Tungsten copper uniform internal organization

Tungsten copper rod diameter from 1 mm to 60 mm and a length of up to 300 mm. Tungsten copper alloy rod production follow ASTM B702, RWMA class 10, RWMA class 11, RWMA class 12, GB/T8320-2003 standards.

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85W15Cu Tungsten Copper Alloy Electrodes

85W15Cu tungsten copper alloy electrode is two-phase structure tungsten alloy, composed mainly of copper, and is a metal matrix composites. Due to the physical properties of copper and tungsten are quite different, therefore tungsten copper can not be produced using the casting method, generally using powder alloy technology to product. Tungsten copper alloy electrode is high purity, high purity tungsten powder and plastic. Composite metal material is good combination of high conductivity copper made of isostatic pressing, sintering temperature, melt refining process. it owns good electrical conductivity, thermal expansion, high temperature softening resistance, high strength, high density, high hardness.

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Tungsten Copper Contacts

Tungsten copper-based electrical contact material since its advent in 1935 has been widely used for automatic switching and universal circuit breakers, molded case circuit breakers. Electrical contacts are the instrumentation important components of high and low voltage electrical switches,  and it is responsible for the connected and disconnected of the circuit , while responsible for the task of corresponding circuit load current.  Mutual solid solution of tungsten and copper neither nor form an intermetallic compound phase by the two organizations are uniformly mixed monomers "false alloy" (pseudo-alloy). It kept a high temperature, high hardness, low coefficient of expansion of tungsten, while maintaining high electrical conductivity and good thermal conductivity of copper plastic.

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