2 / extrusion temperature and extrusion speed of the rod is in favor of a high temperature metal diffusion bonding, but lead to increased metal bonded mold phenomenon, while the temperature is high, and the metal grain growth leading to tissue growth and accelerated special insulation board, which will make the weld thick. Extrusion speed is too high, metal deformation work increases, the metal temperature is large. In addition, high temperature extrusion Jinan special insulation board prices, squeezing pressure will be reduced, thus also reducing the welding force. Therefore, special insulation board supplier in Shandong, the production site, the most practical is the rod temperature is lowered, then molds and other analysis or repair uneven cooling will also affect the quality of the weld. In fact, when using graphite products when used as the introduction of the feed shoe, contact with the graphite side profile also has a black belt prone to oxidation phenomena, especially in the hot summer months. This is due to the characteristics of graphite so that a local temperature rise profile, thereby accelerating the grown crystal grains at the surface of the weld. But the cooling capacity of the device enough, you can avoid this phenomenon Jinan special insulation board dedicated board insulation supplier _ _ Aluminum rolls provided by Jinan Heshun Aluminum Limited. Jinan Heshun Aluminum Co. (www.jnhsly.com) strong, credible, in Jinan, Shandong aluminum products industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead rolls in aluminum and you hand into the brilliant, for a better future!