Preheating Of The Mold

Preheating Of The Mold In addition to heat and lubrication of the billet prior to warm extrusion, the extrusion punch and die must be preheated. Generally preheated to 150 ~ 300 °C and then extrusion production. Mold preheating is mainly to ensure: 1. When the extrusion blank is placed into the mold, the temperature of…