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Bead Blasting Services

Bead blasting is a cold working surface finishing technology that uses high-speed shot and iron shot to impact the part’s surface to improve some of the mechanical properties of the parts and change the surface state.

What is Bead Blasting?

Bead blasting is a surface finishing process that uses fine spherical particles, known as blasting media, to clean, texture, or polish the surface of a material. The process involves propelling these beads at high velocity onto the material’s surface, effectively removing impurities, oxidation, or defects and creating a smooth, uniform finish.

Bead blasting is highly versatile and can be customized to achieve different textures, from matte to satin finishes. It is widely used for both aesthetic and functional purposes, including enhancing the appearance of parts, preparing surfaces for coating or anodizing, and restoring materials to their original condition. The process not only improves surface uniformity but also enhances corrosion resistance and removes sharp edges, making it an essential technique in manufacturing and restoration applications.

Bead Blasting Process

Advantages of Bead Blasting

Bead blasting is a versatile, efficient, and effective technique that enhances both the appearance and performance of a wide range of materials and components.

Enhanced Aesthetic Appeal

Bead blasting creates a smooth, uniform matte or satin finish that enhances the appearance of parts.

Surface Preparation for Coatings

The process helps improve the adhesion of subsequent coatings, paints, or anodizing by creating a rougher surface profile.

Material Cleaning

Bead blasting effectively removes oxidation, dirt, and other contaminants from the surface of parts, restoring them to a cleaner and more durable state.

Deburring and Edge Smoothing

Bead blasting can smooth sharp edges and remove burrs from parts, which is essential for improving the safety, usability, and fit of components.

Non-Abrasive Process

Compared to other abrasive methods like sandblasting, bead blasting uses spherical media, which causes less damage to the surface. This results in less material removal and reduces the risk of distorting the part, particularly for delicate or high-precision components.

Bead Blasting Specifications

Applicable materials Media Cosmetic availability Visual appearance
Aluminum, Copper, Mild steel, Titanium, Brass, Alloy steel, Stainless steel, Tool steel Glass beads with grit #120 Cosmetic upon request Grainy, slightly matte texture. Machining marks are reduced for “non-cosmetic” options and entirely removed on primary surfaces for “cosmetic” options.

Bead Blasting Process

Here’s how LangHe bead blasts your custom parts:

bead blasting Process

Design Considerations for Bead Blasting

Pressure Settings

Correct pressure is vital to avoid damage or uneven finishes. Softer Materials: Use lower pressures (around 50 PSI) to prevent surface deformation or wear. Harder Materials: Higher pressures can be applied for efficient material removal and uniform finishing.

Choice of Media

Finer Beads: Create smooth, satin-like finishes for aesthetic applications. Coarser Beads: Provide rougher textures, ideal for surfaces needing extra grip or preparation for coatings.

Wall Thickness

Avoid blasting thin-walled parts, as the process may lead to warping or deformation due to material stress.

Protective Masking

Threads and Tolerances: For features like threads, reamed holes, or precision fits, plugging or masking is crucial to maintain tight tolerances and prevent unwanted material buildup.

Complex Geometries

Parts with intricate shapes or undercuts may pose challenges in achieving a consistent finish. Adjust blasting angles or techniques to ensure uniformity.

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