The delivered painted products were rejected during inspection. I will explain the procedures and criteria for repairing peeling and re-coating without discarding them.
The delivered product failed the customer's inspection. Before remaking it, there is still a way to salvage it. ────────────── ■Cause of Occurrence Most appearance defects occur on the surface of the coating. The material itself is sound, and it can be restored by removing only the coating. ■Truth There are two methods for removing the coating: chemical stripping and incineration stripping. For thin sheets and aluminum, incineration can deform the material, so we choose chemical stripping. After stripping, it is essential to redo the pretreatment; otherwise, the same defects will appear even with repainting. ■Improvement Measures We will consult with a company that can handle stripping, re-pretreatment, repainting, and re-inspection all in one place. This may reduce both the delivery time and costs compared to remaking it from scratch. Eiwa Kogei provides a consistent service from stripping to repainting.
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Stripping method: chemical stripping, incineration stripping / Compatible materials: iron, stainless steel, aluminum, aluminum die casting / Scope of support: stripping, re-preparation, re-coating, inspection / Minimum lot size: from 1 piece / Maximum supported dimensions: 2000mm
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Applications/Examples of results
Reconditioning of painted products that failed customer inspection, repainting due to color changes, and stripping and repainting of products painted by other companies. We utilize both chemical stripping and incineration stripping, providing a consistent service from stripping to re-inspection.
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Company information
We are not just a "subcontracted painting factory." Established in 1958, our company has a foundation of painting technology and also specializes in chemical treatment, stripping, and cleaning, functioning as the "external surface treatment department" in your organizational chart. Based on our philosophy of "preparation is eight-tenths of the work," we emphasize participation from the "upstream process" before the drawings are finalized. We conduct test painting on a wide range of metals and difficult materials, and we produce the entire process from assembly, packaging, to delivery, thereby reducing your management workload. Additionally, by being able to perform zinc phosphate treatment in-house, we achieve stable painting quality. Furthermore, our micro-heating stripping technology, which does not use chemicals, maintains the electrical state of the "jigs (hangers)" that influence painting quality. Our approach of "pre-treatment determines painting quality" ensures the stability of the paint film during mass production. Rather than simply "applying specified standards," we work backwards to achieve optimal painting specifications and prevent scratches during transportation, sparing no effort in thorough discussions from the outset. This diligent preparation is the shortest path to preventing rework and minimizing total costs. From the development stage, please utilize the expertise of our specialists as part of your production line.
