Four-Head Welding Machine · Standard
SFW4-4500 · Standard Version

uPVC Window & Door Machines
Welding of uPVC window & door profiles; four-station layout with pneumatic drive and profile clamping.
Key Features
- uPVC profile welding
- Pneumatic drive with profile clamping
- Four-station machining layout
Machine shown for reference; final configuration, tooling and parameters are confirmed per agreed scheme.
Technical Specifications
| Power Supply | 380V 50Hz |
|---|---|
| Input Power | 4.5kW |
| Air Pressure | 0.5-0.8MPa |
| Weldable Profile Length | 400-4500mm |
| Weldable Profile Height | 20-120mm |
| Weldable Profile Width | 0-120mm |
| Overall Dimensions | 5400×1100×1650mm |
| Air Consumption | 200L/min |
Frequently Asked Questions
What is the Four-Head Welding Machine · Standard SFW4-4500 · Standard Version used for?
The Four-Head Welding Machine · Standard SFW4-4500 · Standard Version is used for uPVC (vinyl) profiles for windows and doors — welding, cutting and corner cleaning. Welding of uPVC window & door profiles; four-station layout with pneumatic drive and profile clamping.
What is the weldable profile length of the SFW4-4500 · Standard Version?
The weldable profile length of the SFW4-4500 · Standard 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 · Standard 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 · Standard 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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