Isostatic Graphite For EDM

 

EDM graphite is a discharge electrode used for precision mold processing and an excellent material to replace traditional copper discharge electrodes. SHJ can provide high performance isostatic graphite blocks for your EDM graphite processing.

 

Features of Isostatic graphite block

 

1. Stable and reasonable prices:

The price of graphite material only requires 15% of the same volume of copper electrode. Currently, graphite has become a popular material for EDM applications, with lower costs and more stability compared to graphite materials.

2. Easier cutting and processing

Graphite has excellent mechanical processing properties. The machining speed of graphite electrodes is 2-3 times higher than that of copper electrodes. At the same time, there is no need to worry about burrs after graphite processing.

3. Low coefficient of thermal expansion

The melting point of copper is 1080 ℃, while the CTE of graphite is only 1/30 of copper at 3650 ℃. It has very stable performance even at ultra-high temperatures. Even in the processing of platinum electrodes, graphite electrodes have significant advantages.

4. Lightweight and low density

The density of graphite is usually 1.7-1.9g/cm3 (copper is 4-5 times that of graphite). Compared to copper electrodes, graphite electrodes will reduce mechanical load during this process. It is more suitable for applying large molds.

5. Good cutting processing

Compared to metal materials, the volume of graphite is designed to be low. It has excellent mechanical processing performance.

6. Super strong bonding effect

Gravel ink can be bonded through adhesive, which saves time and material costs.

7. Lower resistivity

The resistivity (ER) determines the resistance of the material to the flow of current. Lower resistivity means better conductivity.

 

 

*The above values are typical, not guaranteed, other specification and sizes are also available.

 

Advantages of SHJ Graphite:

 

• We select a wide range of grades of isostatic graphite for our customers, characterized by small fine-grained size (up to 3~5 microns) and high strength.
• As a specialty graphite manufacturer, we are familiar with the individual characteristics of different brands of EDM graphite materials at home and abroad and the advantages and disadvantages of our materials, so we recommend the materials with strong replaceability and easy adjustment of discharge parameters.
• We have a wealth of EDM expertise and long-term related experience, and with a wide range of graphite materials and technical support, we can help users achieve the best use of results.
• Besides, We can provide not only graphite raw materials for EDM electrodes, but also processed graphite products.

 

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