Active Member
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[China]
Address: No.5 Building, No.581 Heilong Jiang Road, Li Yu Industrial Park, Tian Yuan District, Zhuzhou, Hunan, P.R. China.
Contact name:Wu
Zhuzhou Jiabang Refractory Metal Co., Ltd |
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EDM Tungsten Copper Electrode / EDM Sinking Electrode For Tungsten
Carbide
Description:
WCu alloy are used worldwide for EDM (Electrical Discharge Machining) and ECM (Electrochemical Machining) electrode. All material is manufactured by the press , sinter , and infiltrate process. Virgin powders are used , resulting in a consistent homogeneous material giving high and even burning rates. Copper tungsten is used in plunger/sinker applications where intricate definition is required ,
It’s widely used to machine tungsten carbide. The electrical conductivity increases with the amount of copper and the electrode wear increases with the amount of tungsten. The majority of copper tungsten for EDM is a 70% tungsten, 30% copper mixture.(except rolled sheet which is 60% tungsten, 40% copper. ) Other mixtures are available such as 80% tungsten, 20% copper; 75% tungsten, 25% copper, etc. especially in tungsten carbide.
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Application:
Arcing contacts and vacuum contacts in high and medium voltage
breakers or vacuum interruptors
Electrodes in electric spark erosion cutting machines
Heat sinks as passive cooling elements of electronic devices
Electrodes for resistance welding
Electronic Packaging Materials
Product picture:
