Welcome to FLYcncpart's pearlescent sandblasting service! This mechanical process uses high-speed jetting of glass or ceramic beads to provide your parts with a uniform matte surface and a clean finish. Our Shenzhen team uses advanced equipment to ensure precise control, meeting your surface texture requirements.
Description: Bead blasting is a mechanical surface treatment process that uses high-pressure air to propel fine glass beads (0.1-1mm diameter) onto the part surface, removing oxide layers, burrs, and contaminants, creating a uniform microtexture. The process includes pre-treatment (part cleaning), blasting, and post-treatment (dust removal and inspection). Pressures are typically 40-80 psi, and processing time varies depending on part size (minutes to hours).
Applicable Materials: Metals (such as aluminum, steel, and stainless steel), plastics, glass, and composites.
Visual Appearance: A uniform matte or satin finish with a smooth, scratch-free surface enhances a professional appearance.
Advantage
Uniform Surface Texture: Produces a consistent matte effect, concealing minor imperfections and enhancing aesthetics.
Cleaning and Deburring: Efficiently removes contaminants and sharp edges, improving part safety without thermal impact.
Corrosion Preparation: Increases surface roughness (Ra 1.6-6.3μm), improving subsequent coating adhesion. No Dimensional Change: Provides strong control without changing part tolerances, making it suitable for precision components.
Eco-Friendly and Efficient: Uses recyclable media, reducing chemical waste and making it suitable for mass production.
Versatility: Can be used as a standalone process or pre-process, enhancing overall durability.
Precautions
Pressure Control: Adjust between 40-80 psi to avoid over-etching; test different material sensitivities (e.g., soft metals prone to deformation).
Media Selection: Glass beads are suitable for light treatment, ceramic beads for heavy cleaning; ensure media purity to prevent contamination.
Part Fixturing: Use a fixture to prevent vibration and ensure uniform spraying; avoid media accumulation in blind holes.
Design Considerations: Plan the spray angle to avoid concentrated damage at sharp corners; maintain uniform thickness to prevent uneven texture.
Quality Standards: Comply with ASTM D4940 or ISO 11127 to inspect surface roughness and cleanliness.
Safety Measures: Wear protective glasses and a mask during operation, control dust emissions, and comply with OSHA standards.
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