LAIPUMACHINERY

Four-Head Single-Side Seamless Welding Machine

SFW4-4500 · Single-Side Seamless Version

Four-Head Single-Side Seamless Welding Machine SFW4-4500 · Single-Side Seamless Version — uPVC Window & Door Machines by LAIPU Machinery

uPVC Window & Door Machines

Single-side seamless welding of uPVC window & door profiles; four-station layout for frame & sash component joining.

Key Features

  • uPVC profile welding
  • Single-side seamless welding configuration
  • Four-station machining layout
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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 Single-Side Seamless Welding Machine SFW4-4500 · Single-Side Seamless Version used for?

The Four-Head Single-Side Seamless Welding Machine SFW4-4500 · Single-Side Seamless Version is used for uPVC (vinyl) profiles for windows and doors — welding, cutting and corner cleaning. Single-side seamless welding of uPVC window & door profiles; four-station layout for frame & sash component joining.

What is the weldable profile length of the SFW4-4500 · Single-Side Seamless Version?

The weldable profile length of the SFW4-4500 · Single-Side Seamless Version 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 SFW4-4500 · Single-Side Seamless Version 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 SFW4-4500 · Single-Side Seamless Version

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

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