IR-welding innovations

FRIMO has now added two new design sizes to its portfolio of standardized infrared welding systems in the JoinLine IR model series. In addition to the IR-V-ECO-1200 with a maximum clamping surface of 1200 x 600 mm, the range now includes a JoinLine IR-V-ECO-800 (800 x 450 mm.) The ECO 800 can be equipped with up to 24 heating circuits, while the 1200 model can accommodate up to 48 (optionally extendable up to a max. 72 by arrangement.)

Both these models help close the gap between the 500 and 1600 models currently on sale. The modular platform concept allows faster deliveries with unchanged spare parts as well as machines that are economically priced and stand out with high precision and swifter drive systems. The JoinLine IR series of welding machines offers both innovative quick-change tool systems as well as further innovative refinements:

Comparison of parts tolerances

Extrusion blow-molded components in particular, such as gas- or liquid-conducting systems, often show tolerances considerably higher than would otherwise be expected in the injection molding field. Thanks to the FRIMO tolerance compensation system, pipes like this can be precision-welded at a constant welding depth, regardless of the parts involved.

For this purpose, for example, for a 2-part interchangeable tool, the first component (upper and lower part) are brought together until they touch using motorized servo drives with minimal force. The PLC stores the reference point determined in this case. The next step involves the second component also moving to this reference point using the internal tool tolerance compensation system. Accordingly, both components are referenced before the joining process and any possible tolerances between the components are compensated for accordingly.

Quality assurance with IR image processing

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