Four-Head Seamless Welding Machine

HFW-4500

Four-Head Seamless Welding Machine HFW-4500 — uPVC Window & Door Machines by LAIPU Machinery

uPVC Window & Door Machines

Four-head seamless welding machine for uPVC window & door frames and sashes, welding all four corners in one cycle for profile lengths of 400-4,500 mm and heights of 20-120 mm. The seamless welding process leaves no visible corner bead, so corner-cleaning time and consumables drop sharply compared with conventional welders. Four-station layout keeps frame and sash production flowing continuously.

Key Features

  • uPVC profile welding with seamless finish
  • Four welding heads (H1–H4) for frame & sash corners
  • Four-station machining layout

Machine shown for reference; final configuration, tooling and parameters are confirmed per agreed scheme.

Technical Specifications

Power Supply380V 50Hz
Input Power4.5kW
Air Pressure0.5-0.8MPa
Weldable Profile Length400-4500mm
Weldable Profile Height20-120mm
Weldable Profile Width0-120mm
Overall Dimensions5400×1100×1650mm
Air Consumption200L/min

Frequently Asked Questions

What is the Four-Head Seamless Welding Machine HFW-4500 used for?

The Four-Head Seamless Welding Machine HFW-4500 is used for uPVC (vinyl) profiles for windows and doors — welding, cutting and corner cleaning. Four-head seamless welding machine for uPVC window & door frames and sashes, welding all four corners in one cycle for profile lengths of 400-4,500 mm and heights of 20-120 mm. The seamless welding process leaves no visible corner bead, so corner-cleaning time and consumables drop sharply compared with conventional welders. Four-station layout keeps frame and sash production flowing continuously.

What is the weldable profile length of the HFW-4500?

The weldable profile length of the HFW-4500 is 400-4500mm. Full technical specifications are listed in the table above, and final configuration is confirmed against your profile drawings before ordering.

Can the HFW-4500 be configured for my profiles and production capacity?

Yes. LAIPU configures each machine against your profile sections, window systems and daily output target. Send us your profile drawings and capacity requirement — our engineers confirm tooling, fixtures and parameters, and issue a written configuration sheet before production.

Do you provide installation, training and after-sales support?

Yes. We provide English manuals, wiring diagrams and video-guided installation as standard. On-site commissioning and operator training can be arranged, and remote support is available by email and WhatsApp with response within 24 hours. Spare parts are stocked and ship internationally.

What is the delivery time and warranty?

Standard models ship in 20–35 days after order confirmation; customized configurations are confirmed in the quotation. Every machine carries a 12-month warranty covering parts and remote technical support, with lifetime service after the warranty period.

Get a Quote for the HFW-4500

Tell us your profile system and capacity target — our engineers reply with a configuration sheet and quotation within 24 hours.

  • Configuration matched to your profiles
  • FOB / CIF quotation with delivery time
  • English manuals & remote commissioning support