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| Customization: | Available |
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| After-sales Service: | Engineers Available to Service Abroad |
| Warranty: | 1 Year Since B/L Date |
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Automatic pin fin tube welding machine for heat exchanger
This pin fin tube welding machine adopts resistance welding, specially designed for welding pin finned tube as high efficient energy-saving heat exchanging element for boilers, petrochemical engineering, after heat recycling and other industries. This kind of pin finned tube is most suitable for being used in high temperature areas because it can bear high pressure and it is of high heat exchanging efficient.
Main features of the high frequency helical tube welding machine:
- Steel pipe feeding trolley, servo notor driving, precision 0.3mm
- Fins vibration devices, two
- 350kVA intermediate-frequency welding transformers & controller
- Automatic pins feeding
- Automatic welding
- PLC + HMI control system
- Pneumatic system
- Cool water system
Main technical data of pin fin tube welding machine
| No. | Item | Data |
| 1 | Applicable material (Tube + pin) | Carbon steel + carbon steel Cable steel + Mn steel alloy Stainless steel + stainless steel |
| 2 | Power supply | 380V, 3phase, 50Hz (or customized) |
| 3 | Rated power (intermediate frequency) | 350kVA |
| 4 | Duty cycle of transformer | 20% |
| 5 | Welding transformer insulation level | F grade |
| 6 | Suitable max. tube length | 2m |
| 7 | Suitable carrier tube diameter | Φ38~180mm |
| 8 | Suitable pin diameter | Φ6~20mm |
| 9 | Suitable pin length | 10~70mm |
| 10 | Min. space between pins (@360º) | 15mm (bases on pin diameter 10mm) |
| 11 | Re-positioning precision | ±0.5º |
| 12 | Carrier tube feeding precision | ≤±0.3mm @13m length, servo motor |
| 13 | Welding speed | Less than 4 seconds per cycle |
| 14 | Cooling water needed | 0.2~0.3MPa, 2400L/h |
| 15 | Compressed air needed | > 0.6MPa, 5m3/h (provided by buyer) |
Trial samples from pin fin tube welding machine
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