
Plasma Welding Machine PTA Transferred Arc for Engine Valve
HALDEN plasma welding machine for engine valve applications is designed for precision PTA transferred arc welding, offering stable overlay performance, controlled powder feeding, and reliable positioning for small cylindrical parts. It is suitable for engine valve hardfacing and other precision overlay tasks where consistent weld quality and repeatable parameter control are required.
The system combines plasma power, powder feeding, positioning turntable, cooling unit, welding gun adjustment, and operation control into an integrated welding solution that supports stable output and efficient production.
- Transferred arc current: 0–300A
- Powder feeder quantity: 6–45 g/min
- Welding gun current: 5–250A
- Workpiece diameter range: 18–60 mm
- CNC positioning turntable with speed range 0.1–10 RPM
- Text display operation system with 91 parameter reserve sets
PTA Welding Solution for Engine Valve Overlay
This plasma welding machine is configured for PTA transferred arc welding tasks that require controlled powder feeding, accurate current output, and reliable workpiece positioning. It is especially suitable for engine valve surfacing where repeatable overlay quality and stable process parameters are important.
The combination of transferred arc welding power, dedicated powder feeding, cooling, and CNC positioning support helps maintain process stability and improve welding consistency for small cylindrical components.
Integrated Welding System Design
The machine integrates a control cabinet, welding room, powder feeder, welding gun, remote operation floor, welding gun adjustment system, gas and cooling cable set, positioning turntable, water cooler, and ignition box into one coordinated PTA overlay system.
This integrated design makes it easier to control the welding process, optimize parameter settings, and maintain consistent production results.
Welding Parameters
Main technical welding data for the plasma welding machine PTA transferred arc system.
| Arc Strike Current | 30A (100%) |
|---|---|
| Transferred Arc Current | 0–300A (100%) |
| Powder Feeder Quantity | 6–45 gram/minute |
| Powder Feeder Loading Volume | 18 kg |
| Welding Gun Current | 5–250A |
| Center Gas Flow Rate | 0.6–6 L/minute |
| Powder Feeder Gas Flow Rate | 0.6–6 L/minute |
| Protection Gas Flow Rate | 1.6–16 L/minute |
| Positioning Turntable | CNC motor, rotating speed 0.1–10 RPM, inclining range 0°–+65° |
| Cooling Water Tank | Cooling ability 6000 kilocalorie/hour, water temperature control range +5°C to +30°C, control accuracy ±1°C |
| Water Tank Volume | 45L (deionized water required) |
| Gas Tube & Water Cooling Cable | 1.5 meter gas/water tube components used to connect welding gun and ignition box |
| Operation System | Text displayer, Chinese parameter display, 91 set parameter reserve, Chinese breakdown reminder |
Equipment Working Range
Basic workpiece and groove condition requirements for operation.
Workpiece Diameter
The standard workpiece diameter range is 18–60 mm, making the system suitable for engine valve and similar small cylindrical component overlay applications.
Groove Shape
The groove shape should be accepted by both sides and suitable for plasma overlay welding to ensure stable cladding quality and proper process performance.
Install Requirement
Preparation conditions to be ready before machine arrival.
| Electric Power Supply | 380VAC ±10%, one 65A air switch; 380VAC, one 15A air switch |
|---|---|
| Gas Supply | Industrial pure argon with purity 99.99%, with oxygen pressure reducing valve, low tension range 0–4 Kg/cm² |
| Cooling Water | Provide 45 kg of deionized water |
System Configuration and Main Parts
Main equipment components included in the plasma welding machine system.
| No. | Item | Component and Type | Piece |
|---|---|---|---|
| 1 | Control Cabinet | Arc strike power (YC200 Panasonic), transferred arc power (YC400 Panasonic), PLC programmable controller, motor driver, D/A transform, isolation amplifier | 1 |
| 2 | Welding Room | Welding room | 1 |
| 3 | Powder Feeder | KK1 | 1 |
| 4 | Welding Gun | 600 | 1 |
| 5 | Remote Control Operating Floor | Text displayer | 1 |
| 6 | Welding Gun Adjust System | Straight bearing | 1 |
| 7 | Gas Tube and Water Cooling Cable | Pressure pipe | 1 |
| 8 | Positioning Turntable | CNC motor | 1 |
| 9 | Water Cooler | 6000 kilocalorie Freon refrigeration | 1 |
| 10 | Ignition Box | High frequency generator and water flow rate switch | 1 |
FAQ
Common questions about the PTA transferred arc plasma welding machine for engine valve applications.
1. What kind of workpiece is this machine mainly suitable for?
This system is suitable for engine valve overlay welding and similar small cylindrical workpieces within the 18–60 mm diameter range.
2. What is the transferred arc current range?
The transferred arc current range is 0–300A, which allows flexible parameter setting for different overlay requirements.
3. Does the system include powder feeding control?
Yes. The machine includes a powder feeder with controlled feeding quantity and integrated process support for PTA overlay welding.
4. What preparation is required before installation?
Before installation, users should prepare the required 380VAC power supply, industrial pure argon supply, pressure reducing valve, and 45 kg of deionized water.
Request a Quote for Plasma Welding Machine PTA Transferred Arc for Engine Valve
If you need a PTA transferred arc plasma welding machine for engine valve overlay or similar precision hardfacing applications, send us your workpiece size, groove condition, cladding requirement, and production target. HALDEN can recommend a suitable system configuration for your project.
- WUXI HALDEN INTERNATIONAL CO., LTD
- Mobile: +8618652469606
- Email: haldenwuxi@163.com
- Products: PTA Welding Machine / Plasma Welding Machine / Hardfacing Equipment
- Support: System Configuration / Installation Guidance / Process Matching


