Discussions with the management team at Frost highlighted their concerns with the supply chain unable to find a solution to the selective Ag and Hard Anodising requirement. The difficulty was getting both finishes to meet, midway down a blind bore, on the 1mm chamfer with clear definition and with no bare material exposed. Companies from both the USA and Europe had spent 2 years trying to meet the requirement.
At our following New Part Review meeting the idea of looking at conventional plating, masking & stripping methods was discarded, purely because a lot of companies over the 2 year period tried & failed.
By really thinking outside of the box a suitable solution was designed and built within the Frost lab to trial single piece parts. As the success increased we increased the plant to produce 5 at a time.
Frosts Technical team produced a PFMEA to identify all high-risk failure modes (RPN’s >100) and defined actions to overcome these, including those related to hard anodising processes.
The plant was demonstrated to the customer resulting in enough confidence for them to fund a primary & a litigated secondary plant to meet the production schedules.
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