EXHIBITION PREVIEW | K2022
soon have the optimal environment for developing further technologies – and working with our customers to optimise recycling processes.” �
www.coperion.com
DR Joseph has spent five years developing an automatic gauge air ring, which it will showcase at K2022. The TDK-500 adds to the company’s range of other systems for blow film, such as IBC control systems. It is designed to be used with the com- pany’s InstaGauge auto thickness control system, which will also be seen at the show. The new dual-lip TDK-500 has four important
innovations, says DR Joseph. First, instant setting lower lip adjustment technology eliminates the traditional threaded mechanism. Operators can find and secure the perfect lower lip adjustment in seconds. The adjust- ment includes a scaled indicator for SOP purposes. This intuitive design eliminates the intimidation factor of managing bubble stability because operators can quickly ‘test’ the entire setting range within 10 seconds. Second, it isolates primary lip cooling from the
gauge control adjustments made using the secondary lip cooling air streams. This keeps the bubble locked consistently to the forming cone for all conditions. The innovative part of this design is the constrained zone. The air flow from each control zone is constrained in an independent channel that extends to just before the secondary lip exit. This eliminates zone cross-mixing and provides a more direct, effective control response to the film. Third, instant access for cleaning the lower lip
exit technology allows the operator to release the locking feature without tools. The secondary and cooling collar assembly can be safely lifted to a cleaning position within the air ring in less than 60 seconds. IBC hardware need not be removed. Optional weight reduction is available for easier, using a 3D-printed polycarbonate cooling collar. Finally, instant lip set swapping technology allows the primary and secondary lips to be removed and replaced without tools – and without lifting the entire air ring off of the die. This time- and cost-saving measure expands the versatility of the air ring. An operator can change the lower lip geometry to provide a custom air flow impinge-
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