WD 720 Double Head Welding Machine – High Precision
Schtec WD 720 welds two PVC corners at 60°-180° with 0.2mm precision. Touch screen controls, durable Teflon, and pneumatic brake for efficient welds.
WD 720 Technical Specifications
| Power Supply | 220 V, 1 ph, 50-60 Hz |
| Power Output | 4,2 kW |
| Max. Welding Length | 3.460 mm |
| Min. Welding Length | 410 mm |
| Max. Profile Width | 150 mm |
| Max. Profile Height | 200 mm |
| Min. Profile Height | 38 mm |
| Air Pressure | 6-8 bar |
| Air Consumption | 100 lt/min. |
| Machine Height | 1.900 mm |
| Machine Length | 4.540 mm |
| Machine Width | 1.570 mm |
| Machine Weight | 900 kg |
WD 720 Double Head Welding Machine
Standard Features
- High precision welding of two corners of PVC profiles in a single operation
- Precision welding at variable angles between 60° – 180°
- Capable of single head welding operation when needed
- 0,2 mm welding seam restriction for both coloured and white profiles
- Manual positioning of the movable head and pneumatic brakes
- Heating, temperature and time parameters can be adjusted individually
- Digital touch screen display to control all operations
- Homogenous heating with special heating plates
- Easy heater plates cleaning system during maintenance
- More efficient and long lasting Teflon due to special Teflon system on the heating plates
- Specially designed mould system to save time
The Schtec WD 720 precisely welds two corners of PVC profiles simultaneously at angles between 60° and 180°. With a 0.2 mm welding tolerance, it ensures strong and aesthetic joints. A touchscreen panel allows adjustments for heat, time, and angle. The manually positioned moving head and pneumatic brake system make it easy to operate. It features a long-lasting Teflon system and uniform heat distribution, offering both single and double-head welding options—ideal for mid-sized production lines.
Welding Machines for PVC
Discover SCHTEC's high-precision PVC Welding Machines for window & door profiles. Models like WD 710, WM 750, and WM 740 offer 0.2mm accuracy and full automation. Boost your production. Request a quote today!
FAQ
What is a corner welding machine and what is it used for?
SCHTEC corner welding machines join the corners of PVC window and door profiles with 0.2 mm precision. Models like WD 710 and WM 740 ensure aesthetic and durable joints. With PID-controlled heat management and touchscreen interfaces, they standardize quality in window/door production.
What are the advantages of a PVC window welding machine?
SCHTEC welding machines provide 40% time savings and high efficiency through servo motors. WM 750’s 3-axis system and Teflon roll reduce maintenance needs. Used in over 65 countries, these machines optimize production with remote service and a 10,000-profile memory bank.
Which profiles are compatible with automatic welding machines?
SCHTEC corner welding machines are compatible with all standard PVC profiles. The WDV 724 operates at 45°, 90°, and V-angles, while the WD 710 offers flexibility from 30° to 180°. They deliver uniform heat distribution for white and colored profiles, and adapt to various frame sizes.
How is a SCHTEC welding machine installed?
SCHTEC offers on-site installation and operator training post-delivery. Our 7-member service team from a 9,000 m² facility provides 24/7 technical support with centralized lubrication and remote connectivity, ensuring uninterrupted production.
