How to Diagnose and Fix Common Spray Painting Defects in Auto Refinishing
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作者:Daniel
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发布时间 :2026-02-07
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This article helps professional automotive painters identify, diagnose, and correct common spray painting defects such as runs, orange peel, dry spray, and metallic striping during refinishing work.
How to Diagnose and Fix Common Spray Painting Defects in Auto Refinishing
Spray painting defects occur even in professional environments. Understanding their root causes allows painters to correct problems quickly and efficiently.
Runs and Sags
Runs are caused by excessive material flow, slow movement, or spraying too close. Professionals reduce fluid flow and increase movement speed to correct the issue.
Orange Peel
Orange peel results from poor atomization, incorrect viscosity, or low air pressure. LVLP systems require precise balance to maintain smooth texture.
Dry Spray
Dry spray occurs when material dries before reaching the surface. Reducing spray distance and normalizing pressure improves finish quality.
Metallic Striping
Uneven overlap and inconsistent gun speed cause metallic striping. A controlled drop coat helps orient metallic flakes evenly.
Professional diagnosis minimizes rework and maintains high-quality refinishing standards.
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