Saw Machinery

HTWA4

UPVC Window Four Head Welding Machine

The HTWA4 UPVC Window Four Head Welding Machine is a high-performance solution designed for precision welding in large-scale UPVC window production. Built to meet the standards of premium European fabrication lines, this machine offers seamless 0.2mm and 2mm welding transitions, enhanced V-welding capability, and consistent corner strength. Engineered with advanced square bearing systems and a solid machine base, the HTWA4 delivers superior accuracy, minimal welding loss, and reliable long-term performance. Ideal for high-end manufacturers seeking speed, precision, and production flexibility.

  • Advanced European-style four-head welding machine tailored for high-end UPVC window production.

  • Seamless switching between 0.2mm and 2mm welding via user-friendly selector.

  • Specially designed for effortless V-welding and cross-welding, eliminating the need for complex adjustments.

  • Automatic turret adjustment enables quick V-welding position changes for various mullion types.

  • Optional variable-angle welding (30° to 180°) available on the final welding head.

  • Robust clamping and profile positioning system ensures minimal welding deformation and high accuracy.

  • V-shaped heating plate provides excellent corner strength and low dimensional tolerance.

  • Imported square bearing system ensures precision movement of clamps, heating plates, and positioning plates.

  • Heavy-duty machine base provides long-lasting structural stability and dimensional precision.

  • Compatible with a wide range of profile heights via interchangeable fixtures (sold separately).

  • Two-handed safety control mechanism for operator protection.

  • Pneumatic brake system for safe and stable operation.

Machine Specifications
Specification Details
Input Voltage 1N~50Hz 220V or Customer Specification
Input Power 7 kW
Operation Air Pressure 0.5~0.8 MPa
Air Consumption 270 L/min
Welding Height 20–130 mm
Welding Width 120 mm
Welding Range 370–4500 mm
Overall Dimension 5600 × 2000 × 1200 mm
Machine Weight 1900 kg
Core Accessories & Components

🔁 Motion & Drive Components

Component Brand / Description
PLC Omron
Approach Switcher Swiss CONTRINEX or Japan Omron
Linear Bearing System Linear (South Korean brand)
Square Bearing System Linear (South Korean brand)

💨 Pneumatic System

Component Brand / Description
Solenoid Valve Airtac
Cylinder Airtac
Air Filter Device Airtac

⚡ Electrical & Control

Component Brand / Description
Electrical Button and Switcher Schneider
AC Contactor and Circuit Breaker Schneider
Temperature Controller Japan Omron

Experience the HTWA4 in Action

Discover the HTWA4 UPVC Window Four Head Welding Machine—designed for unmatched precision and efficiency in window fabrication. Witness seamless, high-quality welds that ensure durability and perfection in every frame, driven by advanced welding technology for superior craftsmanship.

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