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2019

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01

What is the difference between shot blasting machine and sandblasting machine?

Author:

Chuangzhi Coating


What is Shot blasting?
 
Shot blasting is a kind of processing technology that impacts the surface of a object by blasting the steel grit at high speed through a impeller head.It is faster and more effective than other surface treatment technologies.
The shot blasting machine can remove the rust, welding slag and scale on the surface of the workpiece to obtain a uniform metallic luster. It gives the surface a certain degree of unevenness,increases the adhesion of the paint and improves the coating quality and anti-corrosion effect of the workpiece. It also plays a role in cleaning the surface of the workpiece, strengthening the surface of the workpiece abd improving the surface hardness.
 
What is Sandblasting?
 
Sandblasting is the process of cleaning and roughening the surface of the substrate by the action of high-speed sand flow.
The sandblasting machine is powered by compressed air to form a high-speed jet beam to spray the material(copper ore, quartz sand, corundum, iron sand) at a high speed to the surface of the workpiece to be processed, so that the appearance or shape of the outer surface of the workpiece is changed, and surface of the workpiece is given a certain degree of cleanliness and different roughness. Improves the fatigue resistance of the workpiece, increases the adhesion between the surface and the coating, prolongs the durability of the coating and also facilitates the leveling and decoration of the coating.

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