Hot air welding machine DK 540

automaticfor integrationfor PVC

Product overview
The DK 540 is a fully automatic machine for four-corner welding of PVC window profiles, designed to produce a complete frame or sash in a single cycle.

Key features

• Fully automatic four-corner welding at 90°
• Welds a complete window frame or sash in one cycle
• Individually programmable profile-related welding parameters
• Selectable welding options: standard (2 mm) or seamless (0.2 mm)
• Teflon roller system for extended teflon lifetime
• Automatic frame discharge after welding
• Quick mould-change system to reduce setup time
• Barcode scanner for profile identification
• Operator safety barrier
• Heat control via electronic thermocouple, adjustable 0–300°C
• Parameters set via 8'' colour LCD touchscreen
• Memory for up to 900 profile programs

Standard accessories

• Manual greasing pump
• Set of sash welding moulds for 70 mm profile height
• Set of adaptors for frame profiles

Optional accessories

• SA 250 cooling unit
• CS 240 gasket pressing system
• Welding fixture set for warped sash
• Special welding moulds on request

Technical specifications (excerpt)
Model: DK 540
Hmax: 180 mm
Hmin: 30 mm
Wmax: 130 mm
Wmin: 30 mm
Minimum weldable frame: 400 x 400 mm
Maximum weldable frame: 3100 x 2700 mm
Maximum welding measurement: 3100 x 2700 mm
Air flow: 55 L/min
Heating range: 0–300°C (electronic thermocouple)
Memory: up to 900 programs
Interface: 8" LCD colour touchscreen
Weight: 1.690 Kg

Applications & technical details

• Suitable for PVC window and door production lines
• Can be integrated into automatic production line with SA 251, CNC 609-611 and SA 261
• Easy parameter recall for repeatable production
• Designed for operator safety and process traceability (barcode)