Introduction to sand blasting
Sandblasting is the operation of forcing a stream of abrasive matrix onto a surface under high pressure to smooth the rough surface, rough the surface, shape the surface, or remove surface contaminants.
Blasting specification
| Item | information |
| Materials | ABS, Aluminum, Brass, Stainless Steel, Steel |
| Color | n/a |
| Texture | Matte |
| Standards | #120, #150, #180, #200, #220 |
Sandblasting gallery
The main application of sand blasting
1. Processing before coating and bonding of workpiece
Sandblasting can remove all dirt such as rust on the surface of the workpiece, and establish a very important basic pattern on the surface of the workpiece (that is, the commonly called rough surface), and can achieve different degrees of roughness by replacing abrasive with different particle sizes, greatly improving the binding force of the workpiece and coating and plating. Or make the adhesive bonding stronger and better quality.
2. Cleaning and polishing of the rough surface of the cast and forged parts and the workpiece after heat treatment
Sandblasting can clean up all the dirt on the surface of the workpiece after casting and forging and heat treatment (such as oxide, oil and other residues), and polish the surface of the workpiece to improve the finish of the workpiece, and play a role in beautifying the workpiece. Sandblasting can make the workpiece show uniform metal color, make the workpiece appearance more beautiful, to beautify the role of decoration.
3. Machining burr cleaning and surface beautification
Sand blasting can clean the small burrs on the surface of the workpiece, and make the surface of the workpiece more flat, eliminate the harm of the burr, and improve the grade of the workpiece. And sandblasting can make a small rounded corner at the junction of the workpiece surface, so that the workpiece appears more beautiful and more precise.
4. Improve the mechanical properties of parts
After the mechanical parts are sandblasted, a uniform fine concave and convex surface (basic pattern) can be produced on the surface of the parts, so that the lubricating oil can be stored, so that the lubrication conditions can be improved, and the noise can be reduced to improve the service life of the machinery.
5. The effect of lighting
The surface of various workpieces is polished to make the surface of the workpiece more beautiful. Make the workpiece to achieve smooth and non-reflective requirements, that is, to achieve a certain surface roughness.
Sand blasting precautions
Complex, fine and intricate geometries may be difficult to sandblast evenly.
Blasting is not recommended for thin walls, otherwise there is a risk of deformation.
Areas requiring strict precision (e.g. holes, cavities) need to be shielded before sandblasting
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