Plasma Welding Machine Pta Transferred Arc for Engine Valve

PW4 PTA(Plasma transferred arc engine valve)      Technical note 1. Welding parameter1. Arc strike current:30A(100%)2. Transferred arc current:0-300A(100%)3. Powder feeder:Quantity 6-45 gram/minute,loading volume 18kg4. Welding gun:Welding current 5-250A5. Center gas flow rate: 0.6-6 L/minute  Powder feeder gas flow rate 0.6-6L/minute  Protection gas flow rate: 1.6-16L/minute6. Positioning turntable:CNC motor,rotating speed 0.1-10 RPM, inclining range 00---+6507. Cooling water tank:Provide constant temperature and hydraulic pressure to welding gun and turntable. Cooling ability is 6000 kilocalorie/hour. Cooling water temperature control range is+50C-+300C. Control accuracy±10C. Water tank volume is 45L(need deionized water)8. Gas tube and water cooling cable components:1.5 meter length gas/water tube components used to connect welding gun and ignition box.9. Operation system:text displayer,Chinese parameter show,91 set parameter reserve,Chinese breakdown reminder 2. Equipment working rangeWorkpiece diameter: 18-60mmGroove shape:Should be accepted by both sides and suitable for plasma overlay welding 3. Install requirementBelow preparation should be ready before machine arriving:1. Electric powder supply:380VAC±10%,one 65A air switch            380VAC , one 15A air switch2. Gas supply: Bottle industry pure argon purity is99.99%. Provide oxygen pressure reducing valve in the same time.(low tension range 0-4Kg/cm2)3. Provide 45kg of deionized water  System configurationMain part of machineNO.   ItemComponent and typePiece1Control cabinetArc strike power(YC200 Panasonic)Transferred arc power(YC400 Panasonic)PLC programmable controller, Motor Driver, D/A transform, Isolation amplifier1 2Welding room 13Powder feederKK1      14Welding gun600     15Remote control operating floorText displayer16Welding gun adjust systemStraight bearing17Gas tube and water cooling cablePressure pipe18Positioning turntable(CNC motor)19Water cooler6000 kilocalorie Freon refrigeration110Ignition boxHigh frequency generator and water flow rate switch1