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How To Improve Faraday Cage Coating With Automatic Sprayer
Surface Engineering Association 2025 defect report shows Faraday cage effect causes poor coating on deep cavity metal parts. Deqing Leixin shares parameter tuning tips.
H2: Industry Background & Main Challenges
• Electrostatic shielding stops powder entering deep recess
• High voltage leads back ionization and orange peel
• Improper gun distance reduces inner surface coverage
• H2: Faraday Cage Optimization Solution
• Reduce gun voltage for deep cavity workpieces
• Increase powder output and adjust gun distance
• Add auxiliary guns for inner corner spraying
• H2: Parameter Tuning Steps
1. Lower electrostatic voltage for hollow parts
2. Shorten gun-to-workpiece distance moderately
3. Set multi-angle automatic gun layout
H2: Practical Client Result
Control cabinet factory solved inner cavity thin coating issue.
FAQ
Q: Reduce voltage to solve Faraday cage issue?A: Yes, lower voltage helps powder enter recessed area.Q: What gun distance for deep cavity metal parts?A: 150~220 mm distance for inner surface spraying.Discuss automatic gun layout for your deep cavity workpieces.
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