Component Management

Auto adhesive monitoring system for contact cleaning

14th July 2016
Peter Smith

Contact cleaning as an in-line defect elimination process is now the method of choice in many high value production processes including PCB, SMT and FPD. As industry moves from defect detection to defect elimination, contact cleaning has grown in importance as a process. 

The effectiveness of the cleaning process relies in part on the adhesive roll which is used to keep the main cleaning roller free of debris. The function of the adhesive roll is to capture and retain the contamination removed from the substrate. However, once the adhesive is saturated with contamination it needs to be refreshed. Knowing when to refresh the adhesive has until now been something a trial and error process. As a result, many users refresh the adhesive much sooner than required. Whilst this may increase costs marginally it does offer assurance of effective cleaning – that said some don’t refresh often enough resulting in variable quality.

Teknek has developed a solution for which it has applied for patent protection. The system measures the effectiveness of the adhesive and then clearly displays when it needs to be changed. The system will take into account the different process speeds and the different levels of contamination which means it will automatically adapt for all applications. Users can set alarm levels so that they can not only secure the most effective cleaning but also ensure it is cost effective.

The new Auto Alarm Adhesive system is being rolled out across the Teknek Sheet and Web cleaning product range. The first product to feature this innovation will be the ACM 55 Sheet cleaning range followed by PCBA 300 and PCB 1. Over time most Teknek machines will feature this novel process control system.

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