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Black EDM Graphite Material Solid Block For General Purpose Machining Applications

Categories EDM Graphite Electrodes
color: black
Place of Origin: China
Brand Name: Fangda
Certification: Iso9001
MOQ: 1 piece
Packaging Details: Plywood case
Payment Terms: L/C,D/A,D/P,T/T,Western Union
Shape: solid block
Material: isostatic graphite
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Black EDM Graphite Material Solid Block For General Purpose Machining Applications

Cost Effective EDM Graphite Material for General Purpose Machining Applications

Product Description

Cost Effective EDM Graphite Material is designed to provide reliable EDM performance while maintaining economic efficiency for general purpose machining applications. Manufactured using controlled production processes, this graphite grade offers balanced electrical and mechanical properties suitable for a wide range of EDM operations.

The material features a stable grain structure that supports consistent discharge behavior and predictable erosion rates. While optimized for cost efficiency, it still delivers good surface quality and acceptable electrode wear performance for standard machining requirements.

This EDM graphite material offers good machinability, enabling easy electrode fabrication with standard CNC equipment. Its mechanical strength ensures durability during handling and machining, reducing the risk of breakage and material waste.

Common applications include general mold making, stamping dies, fixture machining, and rough EDM operations. It is suitable for machining common tool steels and alloys where ultra-fine surface finishes are not critical.

Key advantages include competitive cost, reliable performance, ease of machining, and broad application flexibility. Cost Effective EDM Graphite Material is an ideal solution for manufacturers seeking a practical balance between performance and cost in everyday EDM machining operations.


Comparison ParametersAdvantages
Production costsGraphite of the same volume costs only about 25% that of copper electrodes.
Machining SpeedThe machining speed is 3–5 times faster than copper electrode, the machined surface is smooth. The electric discharge machining speed is 1/3 to 2 times faster than that of traditional copper electrodes, making it more suitable for rough machining.
Machining accuracyGood machining precision, C.T.E is 1/4 of copper, easy polishing.
WeightThe density of graphite is only 1/5 of copper, it's more suitable in the production for larger electrode.
LossUsed as EDM electrode, which consumption is only 1/3–1/5 of copper electrode, the coating of spark decomposition of carbide compensates electrode loss.
High temperature resistanceThe melting point of graphite is up to 3650℃, with no deformation under high-temperature working conditions, and more suitable for machining bone electrode.
Electrode CohesivenessDamaged graphite parts can be bonded with conductive adhesive, effectively saving production time and reducing material costs.

GradeBulk Density (g/cm³)Electric Resistivity (μΩ·m)Compressive Strength (MPa)Flexural Strength (MPa)Shore HardnessAsh Content (ppm)Coefficient of Thermal Expansion (×10⁻⁶/℃)Thermal Conductivity (W/m·K)Particle Size (μm)Applications
EDM-101.86121105266200610010EDM Precise Machining Molds
EDM-601.881114070662005.71006EDM Precise Machining Molds
EDM-T81.751390506020061008High-precision electrode, 3D curved glass molds of mobile phone
EDM-T51.771410055652005.81005High-precision electrode, 3D curved glass molds of mobile phone
EDM-T31.751612065682005.8853High-precision electrode, 3D curved glass molds of mobile phone

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