Lamp mold grinding and polishing process-Accessories for lamps are being prepared.

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Lamp mold grinding and polishing process-Accessories for lamps are being prepared.

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April 14, 2025

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1. Pre-treatment Preparation
Surface Cleaning：Remove dust and impurities using chemical cleaning agents or compressed air to ensure a contaminant-free surface.
Defect Inspection：Identify surface imperfections like burrs, oxidation layers, or casting marks with visual or microscopic examination.

2. Grinding Process
Coarse Grinding：Use abrasive discs (120-320#) or grinding machines to eliminate prominent irregularities and burrs. Common tools include:Grinding wheels、Rotary files
Fine Grinding：Progressively refine surfaces with 400-800# sanding discs or elastic flap wheels to achieve uniform texture.

3. Polishing Process
Mechanical Polishing：Apply polishing compounds (e.g., cerium oxide slurry) with wool/felt wheels or fiber discs for mirror finishes.
Fire Polishing：For glass components, use oxygen torches to melt surface micro-defects, resulting in a "fire finish" without tool contact.

4. Post-treatment
Cleaning：Remove residual polishing media via ultrasonic cleaning or solvent wiping.
Surface Coating：Apply protective treatments like anodizing (for aluminum) or special oxidation (e.g., LED housing anti-corrosion).

5. Quality Control
Visual Inspection：Check for scratches or uneven gloss under controlled lighting.
Roughness Testing：Verify surface smoothness with profilometers (Ra ≤0.8μm for high-end fixtures).