vacuum melting furnace

equipt with vacuum system,prevent oxidation.1.Composition and performance 1.1Equipped with advanced vacuum furnace dedicated medium-frequency power, digital Control, 8-passageway water flow control protection and pressure protection, electric command device adopt electrical contactor manufactured by Sneijder or Siemens, while output cable adopt water-cooled cable. 1.2Capacitor cabinet designed to sealing structure, equipped with capacitor and water-cooled cable, compact structure, reasonable layout, safety and reliability. 1.3Induction heater adopts T3 copper tube, sulfidizing for watchcase, adopting special insulation material for packing. 1.4Carbon materials take high temperature insulation materials, Layer around or the whole custom Insulation materials take high-temperature insulating ceramics.. 1.5Crucible drive mechanism adopting variable frequency controlled drive motor to drive reducing mechanism. With the characteristic to regulate agility and stabilize speed. 1.6Stainless steel furnace body manufactured though National Vacuum Pressure Vessel Standard. Double-deck water-cooled; special vacuum stainless flange; high sealing vacuum sealing ring, with the characteristic of wear. 1.7Steel rail mobile Rack used for moving furnace and cooperating topple over, ensure reversing molten steel to the right direction. 1.8Equipped with high-temperature infrared optical thermometer device and Japan conductive 148 programmable temperature controller. 2.Technical parameters Power output 200KW Voltage output 750V Voltage input 3-phase 380V Frequency output 2500Hz Capacitance input 250KVA DC 700A Rated operating temperature 1650°C Internal diameter of furnace well 400mm×400mm×500mm Range of temperature measurement 600°C-1700°C Temperature control precision ±1°C Ultimate vacuum 1×10-2Pa Pressure rise rate <10Pa/h Ultimate the heating rate 40-1000°C equipt with vacuum system,prevent oxidation.