Automatic single head welding machine programmed and controled by Touch Scheen for timing and checking the fusion times, welding time, plate temperature, blade temperature, program settings by profile type and section for fast work parameters settings. Special cycle for last corner (patented). Variable welding angle from 30° to 180°. Extremely versatile with easy access to all parts requiring controls and adjustment. Fully automatic working cycle, electronically managed by the PLC. Maximal accuracy in all translator movement due to LM guides caged balls placed on the machine. Heated steel edge limiter blades adjustable from 2mm to 0,2mm for welding standard profiles or with acrylic lining (white and coloured). Low pressure powered lock pressure platens for maximum operator safety with the possibility to repeating profile lock in case of incorrect positioning. Counter profile and Teflon quick change systems allows easy and fast profile changing.