The paint accumulation around the hole is a critical inspection point that can lead to assembly defects and drainage issues.
Hole filling is a defect where bolt holes, drainage holes, positioning holes, etc., are blocked by paint. This issue becomes apparent to customers as problems such as bolts not passing through, not fitting into jigs, or water not draining. Causes include excessive film thickness, painting direction, component posture, jig setup, and paint pooling before drying. It is important to clearly define critical holes on the drawings and manage jig posture, spraying direction, film thickness, and post-paint inspection.
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basic information
Metal coating, hole filling, bolt holes, drainage holes, functional holes, film thickness management, assembly defects, automotive parts.
Price range
Delivery Time
Applications/Examples of results
Automotive parts, construction hardware, industrial machinery, measures for hole filling in metal products, functional hole management.
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.
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