HTW3-120
UPVC Window Three Head Welding Machine
The HTW3-120 is a highly popular and cost-effective three-head welding machine, designed for precision welding of uPVC window profiles. Engineered for versatility and reliability, this machine supports 2mm welding with seamless angle adjustments between 30° and 180° on the final welding head — making it ideal for standard and complex frame fabrication. Built on a robust steel base with linear and square bearing systems, it ensures high-accuracy welding, reduced profile distortion, and excellent corner strength.
With its modular head operation, ergonomic design, and ability to accommodate various profile heights via interchangeable fixtures, the HTW3-120 is an essential asset for small to mid-sized uPVC window production lines seeking consistent quality and efficiency.
One of the most widely used three-head welding machines, supporting 2mm precision welding.
Equipped with linear bearing rails for smooth and stable head movement.
Offers variable angle welding from 30° to 180° on the third welding head for versatile fabrication.
Square bearing system ensures precise motion of clamping units, heating plates, and locating plates.
Heavy-duty machine base and frame structure deliver long-lasting stability and consistent accuracy.
Interchangeable profile fixtures support a wide range of profile heights and are sold separately.
Quick-change fixture design allows fast swaps for improved corner strength and cleaner welds.
Each welding head can operate individually or in combination, allowing flexible production workflows.
| Specification | Details |
|---|---|
| Input Voltage | 1N～50Hz 220V or Custom Specification |
| Input Power | 3.5 kW |
| Operation Air Pressure | 0.5～0.8 MPa |
| Air Consumption | 150 L/min |
| Welding Height | 20–120 mm |
| Max Welding Width | 120 mm |
| Welding Range | 400–3500 mm |
| Overall Dimension | 4600 × 1100 × 1200 mm |
| Machine Weight | 1300 kg |
| Component | Brand / Origin |
|---|---|
| 🔁 Motion & Drive Components | |
| Linear Bearing System | South Korean Brand |
| Square Bearing System | South Korean Brand |
| 💨 Pneumatic System | |
| Solenoid Valve | Airtac |
| Cylinder | Airtac |
| Air Filter Device | Airtac |
| ⚡ Electrical & Control | |
| PLC | Omron |
| Temperature Controller | Japan Omron |
| Electrical Button and Switcher | Schneider |
| AC Contactor and Circuit Breaker | Schneider |
Experience the HTW3-120 in Action
The HTW3-120 UPVC Window Three Head Welding Machine is a reliable and efficient solution for welding UPVC window frames. It features three welding heads that work simultaneously to produce strong, precise, and high-quality welds. Ideal for enhancing production speed and ensuring consistent results in UPVC window manufacturing.
