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-----Secondary Processing of Pre-Plated Steel Tubing
We are using a thin-walled steel tubing that has an electro-zinc surface applied at the mill. We cut, form and pierce this material in our manufacturing process, thereby "breaking" the zinc layer at several locations on each part. We are seeking a process (or processes) that we can perform in-house to 1)Replace, replate or otherwise protect from red rust the steel surfaces layed bare of zinc by our machining operations.
2) Seal, convert or otherwise protect from white rust (zinc oxidation) the entire part after all machining & forming has been completed, and prior to final assembly of our products.
All suggestions will be considered, but we prefer to avoid spray or dip-coat paint processes. The application is lawn & garden products under outdoor exposure. Our goal is to lengthen the "new" appearance and to improve the long-term surface texture & cleanliness of parts that contact the end-users body and clothing. Our largest parts are similar in size to the handle of a walk-behind lawn mower.
Thank you for any assistance.
Robert Bedsole-Adcom Technologies Inc. - Mount Prospect, Illinois
2001
Have you considered using unplated steel tubing and then having the parts plated afterwards? It would be more expensive than buying pre-plated tubing, but may end up being cheaper than pre-plated tubing plus a secondary touch-up.
Tim Neveau
Rochester Hills, Michigan
2001
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