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on Coating Line This case study describes, in general detail, the development of a technology modification to an existing automated coating line. The coating line is designed to apply adhesive and particulate matter to two sides of a flat aluminium tube to be used in brazed aluminium heat exchangers.
A change in the adhesive type necessitated the development of a new application method with spray nozzles and a new drying system as well as changes to the PLC program. A formal development program was implemented which required tubes, coated based on various parameters, to be assembled in a core and brazed. The completed units were then tested to determine structural performance characteristics thereby providing a means to measure adhesive and process performance. Parameters were progressively finalised for production implementation.
All
usual
stringent automotive industry process Quality Assurance (QA)
requirements were met, including FMEA (Failure
Mode Effects Analysis), HAZOP (Hazardous Operation) and product
testing to required standards.
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