Principle of shot blasting

- Apr 10, 2018 -

What's shot blasting?What's blasting machine?

The double disc in the shot blasting machine is riveted together to form the impeller body.The impeller body is equipped with eight blades, the impeller body and the pellet wheel in the center of the shot.

Put together on the main shaft driven by the motor.The hood is lined with a guard plate, and the cover is equipped with a directional sleeve and a shot tube.In the work, the projectile is poured into the shot blasting device.The pellet wheel that synchronizes with the blade makes the projectile get the initial velocity.The projectile is flown out through the window of the directional sleeve, and is thrown onto the high speed rotating blade outside the directional sleeve, which is further accelerated by the blade, which is ejected to the surface of the cleaned workpiece.Because of the synchronous rotation of the pellet wheel and the blade, the non-vibration transmission of the projectile to the blade is ensured, thus reducing the wear of the blade.

Blasting principle is the body of the motor to drive the impeller rotation (direct drive or use the "V" belt drive), by the effect of centrifugal force, the diameter is about 0.2 ~ 3.0 of the blasting medias (like cast steel shot china products, steel cut wire shot china products, steel grit china products, stainless steel shot china products etc) to the surface of the workpiece, the workpiece surface reaches a certain roughness, make it beautiful artifacts, or change the workpiece welding tensile stress to compressive stress, improve the service life of the workpiece.By improving the roughness of the workpiece surface, the adhesion of the paint film is also improved.Shot most of this process is almost used in mechanical field, such as shipbuilding and ship repairing, auto parts, aircraft parts, guns, tanks, Bridges, steel structures, surface glass, steel profiles, internal or external pipeline anticorrosion wall even road surface and so on industry.

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