Liaoning graphitic carbon graphite carbon plate panels use

Graphitic carbon steel prices _ Henan Henan use graphite carbon plate (1) faster processing: Under normal circumstances, graphite machining speed can be faster than copper 2-5 times; and electrical discharge machining speed 2 to 3 times faster than copper; material less likely to deform: On machining thin muscle electrode obvious advantages; softening point of copper is about 1000 degrees, easily deformed by heat; graphite sublimation temperature of 3650 degrees; coefficient of thermal expansion of copper is just 1/30. (2) lighter weight: graphite, copper density is only 1/5 of, when a large electrode discharge machining, can effectively reduce the machine (EDM) burden; is more suitable for use on large molds. (3) Discharge consume less; the spark oil also contains C atoms, in the electric discharge machining, high temperatures cause sparks and oil C atoms are unpacked, instead of the surface protective film is formed of graphite electrodes, the graphite electrode is compensated loss. (4) no burr; copper electrode processing is completed, the need to be trimmed by hand to remove the burr, but after graphite machining burrs, significant cost savings, but also easy to automate production; (5) graphite easier grinding and polishing ; since the cutting resistance of graphite is only 1/5 of copper, easier manual grinding and polishing; lower (6) material costs, prices are more stable; copper prices in recent years, and now price than copper isotropic graphite lower, the same volume, price Toyo universal carbon graphite products, 30% to 60% lower than the price of copper, and the prices are more stable, short-term price fluctuations are very small. It is this unparalleled advantages, gradually replacing copper graphite EDM electrodes become the material of choice because of the carbon atoms in the crystalline lattice of atoms in graphite layers arranged closely, thermal vibration problems, which can withstand high temperatures and with a special graphite thermal performance. Graphite melting point of 3850 ℃, boiling point of 4250 ℃, heat absorption 6.9036 × 107J / kg, the high temperature arc ignition weight loss is extremely small, the strength is doubled at 2500 ℃ than when normal temperature, small thermal expansion (1.2 × coefficient 10-6), sudden changes in volume when the temperature changed little. Since electrons flow easily in the presence of graphite crystal, and therefore its conductivity, thermal conductivity less than the metal. But as the temperature rises, however, reduced thermal conductivity, thermal state tends to be at very high temperatures. Chemical stability of graphite, from the erosion of acid, alkali and organic solvents. Lubricating properties similar to graphite and molybdenum disulfide tetrafluoride alkenyl, friction coefficient is less than 0.1 in the lubricating medium, especially better lubricity flaky graphite. In addition, graphite has a coating and plasticity, which is applied to a solid surface, the sky may form a film firmly adhered to the solid protective effect, and may be made of any complex shaped articles. Improve the life of the graphite plate methods are there? Ruifeng graphite products to share with you: First, graphite plate processing quality of the merits of the basic reasons for the length of their service life. Must be carefully processed to reach the standard indicators, such as dipping this off requires must be uniform, so that the resistivity remained the same, so that uniform conductivity can also avoid the production process occurs, some intact, but part of the corrosion severe, so that the overall down wastage. Secondly, to ensure a good working environment graphite anode plate, is to extend the life of the key. Gongyi City, Henan Ruifeng graphite products company /// graphitic carbon steel prices _ Henan use graphite carbon plate