Product category:
Boilers, Heat Exchangers, Dryers and Refrigeration
News Release from: Secomak | Subject: Air cannons
Edited by the Processingtalk Editorial
Team on 13 May 2004
Process drying eliminates false defect
detection
Pilkington Automotive found a new laser-based defect detection system was compromised by water droplets remaining on windscreens after cleaning, so called in process drying experts for a solution
When car windscreen maker Pilkington Automotive, part of the global Pilkington glass group, found that a new laser-based defect detection system was compromised by water droplets remaining after cleaning, they called in process drying specialist Secomak to solve the problem Pilkington Automotive Kings Norton plant produces windscreens for all the major OE car manufacturers including Ford, Jaguar, Toyota, Honda, Nissan and Land Rover
This article was originally published on Processingtalk on 6 Sep 2004 at 8.00am (UK)
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To maximise quality the company installed a new high performance glazing inspection system.
However, unless the glass was perfectly dry the inspection system would signal water droplets as a defect.
False detection of defects is costly and time consuming.
Secomak designed a drying system, based on its air cannons, that has been added to the Kings Norton production line between the wash and final inspection stages.
The machine incorporates a reception and exit conveyor and the drying cycle time is just 18 seconds.
The air cannons deliver powerful currents of air both above and below the convex windscreens and track them up and down to follow the screen contour as it passes on a conveyor.
To further improve the drying, the cannons oscillate from side to side as the windscreen passes.
Pilkington considered, and rejected, the use of standard air knives because they could not follow the glass curvature effectively enough.
The choice of a Secomak system was also prompted by the company's ability to offer a complete solution, including transfer mechanisms, fans, air cannons, and system installation and commissioning. Request a free brochure from Secomak ...
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