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Tungsten copper grinding wheel electrode 

Tungsten copper electrodes are mainly used for electrospark machining (EDM) PCD tools, namely disc EDM (Disc Erosion Machining). This process is different from traditional mechanical grinding. Instead, it uses electric spark discharge to erode PCD materials layer by layer to achieve the purpose of precision machining tools.

Copper Tungsten Electrode (Cu-W) is a composite electrode made of highly conductive copper (Cu) and highly wear-resistant tungsten (W). It combines the high melting point and wear resistance of tungsten with the excellent conductivity of copper, making it an indispensable consumable when processing polycrystalline diamond (PCD) tools.

Copper tungsten erosion wheels

Features of tungsten copper erosion wheel electrodes

High wear resistance: Tungsten increases electrode life, reduces wear and improves processing stability.

Excellent conductivity: Copper ensures uniform discharge and improves processing accuracy.

Low thermal expansion coefficient: The electrode has good dimensional stability, ensuring processing accuracy and consistency.

Suitable for high-precision processing: Especially suitable for PCD tool edge processing, which can obtain sharp and uniform cutting edges.

Applications of PCD Eletrode

PCD end mills (right angle and rounded corners), PCD twist drills, PCD countersink drills, PCD reamer, PCD countersink reamer, PCD step tool, PCD woodworking tool (mixed slot tool), PCD profile cutting  tools

EDM machining pcd tools

Adaptable to EDM machining grinder

Manufacturer Country Models
Vollmer Germany QXD 250, QM ECO SELECT, VHybrid 260, VLaser 370
Walter (United Grinding Group) Germany elitronic Diamond Evolution, Helitronic Power Diamond
Anca Australia EDG3, EDG5
Makino Japan EDAF, EDGE3
EWAG (United Grinding Group) Switzerland Laser Line Ultra, Laser Line Precision
Lach Diamond Germany Dia-2200-mini, Dia-2100-classic

Tungsten copper grinding wheel electrode grade

Materials Copper content
Density(g/cm³)
 
Hardness(HB kgf/mm3) Conductivity(%IACS)
70Wcu 30±2.0 13.8 175 42
75Wcu 25±2.0 14.5 195 38
80Wcu 20±2.0 15.15 220 34

Specifications of thngsten carbide grinding wheel electrode

Products Diameter  Hole sizes Thickness
Cup type tungsten copper grinding wheel 125 60 40
Plated type tngsten copper griding wheel 200 60 5
Plated type tngsten copper griding wheel 150 60 10
Plated type tngsten copper griding wheel 150 60 5
Plated type tngsten copper griding wheel 150 60 4
Plated type tngsten copper griding wheel 150 20 10
Plated type tngsten copper griding wheel 80 10 5
Plated type tngsten copper griding wheel 80 10 10
Plated type tngsten copper griding wheel 50 10 10
Other specifications and sizes can be customized

 

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