Automatic CNC Four Corner UPVC Corner Cleaning and Welding Machine

Automatic CNC Four Corner UPVC Corner Cleaning and Welding Machine. Automatic Four-Corner Welding: Completes rectangular window frame welding and seam cleaning in one automatic process. Double-Sided Seamless Welding: Achieves beautiful, seamless welds with direct slag cutting during the welding process. High-Precision CNC Control: Features five-axis CNC cleaning units with color touch screen and servo motors for accuracy. Customizable Gap Width: Broaching mode allows customizable gap width of 1-3 mm to meet different profile requirements. Lifetime Maintenance Service: Provides lifetime maintenance support alongside an 18-month standard warranty period. CE and ISO Certified: Passed EU CE and US UL certifications, exported to over 50 countries globally. Professional After-Sales Support: Offers 24/7 remote support, on-site installation, and comprehensive operator training. High-Strength Corner Options: Optional micro-seam welding with hook knife adds 1-3 mm gap for higher corner strength.