The small portable sand blasting derusting machine is powered by compressed air, and the high-speed jet beam formed by it sprays the spray material onto the surface of the workpiece to be treated, so that the outer surface or shape of the object is changed. The cost of sand is low and the source is wide, but it has a great environmental pollution; the rust removal is all manual operation, the surface of the component after rust removal becomes less rough, and it is not easy to meet the requirements of the coefficient of friction.
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Application range of small portable sand blasting derusting machine
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1. Workpiece coating and blasting before workpiece bonding 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 (commonly called the matte surface), and can pass Replacing different sizes of abrasives, such as flying abrasive abrasives, achieves different degrees of roughness, greatly improving the binding force of the workpiece to the coating and plating materials. Or make the bonding parts stick more firmly and have better quality.
2. The cleaning and polishing of the rough surface of the casting and the workpiece after heat treatment can clean all the dirt (such as oxide scale, oil and other residues) on the surface of the casting and forging and the workpiece after heat treatment, and polish the surface of the workpiece to improve the finish of the workpiece. It can expose the workpiece to a uniform and consistent metal color and make the workpiece look more beautiful.
3. Machining parts burr cleaning and surface beautification sandblasting can clean the tiny burrs on the surface of the workpiece and make the surface of the workpiece more smooth, eliminating the harm of burrs and improving the grade of the workpiece. And sandblasting can make small rounded corners at the junction of the workpiece surface, making the workpiece more beautiful and precise.
4. Improving the mechanical performance of the parts After sandblasting, the mechanical parts can produce even and uneven concave and convex surfaces on the surface of the parts, so that the lubricating oil can be stored, so that the lubrication conditions are improved, and the noise is reduced to increase the service life of the machine.
4. The effect of light decoration For some special-purpose workpieces, sandblasting can realize different reflection or matt at will. Such as the polishing of stainless steel workpieces and plastics, the polishing of jade, the matting of wooden furniture surfaces, the patterns on the surface of frosted glass, and the texturing of fabric surfaces.
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Process flow of small portable sand blasting derusting machine
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Pre-treatment stage of blasting process
The pretreatment stage of the sandblasting process refers to the treatment of the workpiece surface before the workpiece is sprayed and sprayed with a protective layer.
The quality of the pre-treatment of the sandblasting process affects the adhesion, appearance, moisture resistance and corrosion resistance of the coating. The pre-treatment work is not done well, the rust will continue to spread under the coating, making the coating fall off. After careful cleaning of the surface and the general simple cleaning of the workpiece, the exposure method is used to compare the coating, and the life can be 4-5 times different. There are many methods for surface cleaning, but the most commonly accepted methods are: solvent cleaning, pickling, hand tools, power tools.
　　 Sandblasting process stage
The sandblasting process uses compressed air as the power to form a high-speed jet beam, spraying high-speed spraying materials onto the surface of the workpiece to be processed, and changing the appearance of the outer surface of the workpiece. Due to the impact and cutting effect of the abrasive on the surface of the workpiece, the surface of the workpiece is obtained. Certain cleanliness and different roughness improve the mechanical properties of the workpiece surface.
The application scope and technological process of the small portable sand blasting derusting machine have been introduced here for friends. I believe that everyone can further understand the small portable sand blasting derusting machine through reading the above content. Of course, no matter how familiar you are with this device, you should also pay attention to safety during specific operations.
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