Black EDM Graphite Material Solid Block For General Purpose Machining Applications
Black EDM Graphite Material
,EDM Graphite Material Solid Block
,General Purpose Machining EDM Graphite
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 Parameters | Advantages |
|---|---|
| Production costs | Graphite of the same volume costs only about 25% that of copper electrodes. |
| Machining Speed | The 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 accuracy | Good machining precision, C.T.E is 1/4 of copper, easy polishing. |
| Weight | The density of graphite is only 1/5 of copper, it's more suitable in the production for larger electrode. |
| Loss | Used 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 resistance | The melting point of graphite is up to 3650℃, with no deformation under high-temperature working conditions, and more suitable for machining bone electrode. |
| Electrode Cohesiveness | Damaged graphite parts can be bonded with conductive adhesive, effectively saving production time and reducing material costs. |
| Grade | Bulk Density (g/cm³) | Electric Resistivity (μΩ·m) | Compressive Strength (MPa) | Flexural Strength (MPa) | Shore Hardness | Ash Content (ppm) | Coefficient of Thermal Expansion (×10⁻⁶/℃) | Thermal Conductivity (W/m·K) | Particle Size (μm) | Applications |
| EDM-10 | 1.86 | 12 | 110 | 52 | 66 | 200 | 6 | 100 | 10 | EDM Precise Machining Molds |
| EDM-60 | 1.88 | 11 | 140 | 70 | 66 | 200 | 5.7 | 100 | 6 | EDM Precise Machining Molds |
| EDM-T8 | 1.75 | 13 | 90 | 50 | 60 | 200 | 6 | 100 | 8 | High-precision electrode, 3D curved glass molds of mobile phone |
| EDM-T5 | 1.77 | 14 | 100 | 55 | 65 | 200 | 5.8 | 100 | 5 | High-precision electrode, 3D curved glass molds of mobile phone |
| EDM-T3 | 1.75 | 16 | 120 | 65 | 68 | 200 | 5.8 | 85 | 3 | High-precision electrode, 3D curved glass molds of mobile phone |
