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A Swisspacer Frame In Under 25 Seconds Speeds Up Production For Predari Vetri

The ROWELDO XL frame welder from Rottler & Rüdiger now makes a perfect SWISSPACER warm edge frame in less than 25 seconds with a new robotic ‘speed-up kit’. 
The welder is a high-performance fully-automated machine that’s ideal for large-scale sealed unit makers. It’s cutting production cycle times by one-sixth for Italian sealed unit manufacturer Predari Vetri.
The new robot welder with the ‘speed-up kit’ uses four generators – two more than previous versions - to generate more rapid energy pulses, so corners can be welded even faster than before. The profile feed-in has been optimised and the milling length now automatically adapts to the width of the spacer bar. The results: the IGU maker achieves time savings of around 17 %. 
Daniele Predari, MD of Predari Vetri explains: “As far as we can see, there are no faster options on the market. Any of our orders can include different frame sizes, spacer bar widths or colours. That is why the quick profile change is another advantage for us. We had reached maximum output in terms of cycle times with the bending machines. The increased efficiency means that two employees from frame production are now free to work on different tasks. The speed-up kit also helps us handle production peaks.
When visiting his customers, Daniele now always brings a ready-welded SWISSPACER frame with him. “You can see the difference and how much better it looks than a bent frame immediately,” he says. “Our customers want straight, stable profiles and a matt surface without visible connecting points. The welded 90° corner fits perfectly. 
Existing Rottler & Rüdiger machinery, depending on the year of installation, can be retrofitted with the speed-up kit or the recently launched “Fill-it” technology. 
For more information, see SWISSPACER on stand F42, Hall 11 at glasstec, 23-26 October, Germany or visit 






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