PW7 PTA Overlay welding Machine
(Plasma transferred arc vessel engine valve)
Technical note
1. Welding parameter
1. Arc strike current:30A(100%)
2. Transferred arc current:0-300A(100%)
3. Powder feeder:Quantity 6-60 gram/minute,loading volume 18kg
4. Welding gun:Welding current 5-250A, direct-cooling nozzle, outside powder feeding
5. 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/minute
6. Positioning turntable: CNC motor,rotating speed 0.05-5.0 RPM, inclining range -450---+450
7. Oscillator: CNC motor, swing speed: 360-2400mm/min, swing width:±30mm, swing center adjust range: 130mm
8. Beam move: Manual move, valid range 400mm
9. 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. Environment temperature should be less than 35ºC. Water tank volume is 18L(need deionized water)
10. Gas tube and water cooling cable components:4.5 meter length gas/water tube components used to connect welding gun and control cabinet
2. Equipment working range
Workpiece diameter: 30-600mm
Groove shape:Should be accepted by both sides and suitable for plasma overlay welding.
3. Install requirement
Below preparation should be ready before machine arriving:
1. Electric powder supply:380VAC±10%,one 65A air switch
2. 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 40kg of deionized water
System configuration
Main part of machine
| NO. |
Item |
Component and type |
Piece |
| 1 |
Control cabinet |
Arc strike power(YC200 Panasonic)
Transferred arc power(YC400 Panasonic)
PLC programmable controller, Motor Driver |
1
|
| 2 |
Beam stand pillar |
|
1 |
| 3 |
Powder feeder |
KK1 |
1 |
| 4 |
Welding gun |
600 |
1 |
| 5 |
Remote control operating panel |
|
1 |
| 6 |
Welding gun adjust system |
|
1 |
| 7 |
Gas tube and water cooling cable |
|
1 |
| 8 |
Positioning turntable |
(CNC motor) |
1 |
| 9 |
Water cooler |
|
1 |
| 10 |
Oscillator |
(CNC motor) |
1 |
Audited Supplier 
){kind=link}