The difference between shot blasting machine and sand blasting machine when cleaning the surface of the workpiece

We know that shot blasting machines and sandblasting machines have been widely used worldwide as a kind of strengthening machines. What are the differences between the shot blasting machine and the sand blasting machine to clean the surface of the workpiece, do you know? What are the differences between the shot blasting machine and the sand blasting machine to clean the surface of the workpiece? The shot blasting machine uses a high-speed rotating impeller to produce high-speed shot blasting machine steel shots to hit parts Surface to achieve surface cleaning and strengthening of parts. Shot blasting machines are generally used for cleaning, rusting, and scale removal of castings, forgings, aluminum alloy parts, and hardware workpieces.

In addition, the shot blasting machine equipment is used for the removal of sand and oxide scale on the surface of cast steel and iron castings in the foundry industry. Almost all steel castings and gray castings must be shot blasted. This is not only to remove the oxide scale and sticky sand on the surface of the casting, but also an indispensable preparation process before the quality inspection of the casting. For example, the casing of a large gas turbine must be subjected to strict shot blasting before non-destructive inspection to ensure the inspection result reliability. The sandblasting machine uses compressed air to throw quartz sand at high speed to clean the surface of the workpiece. Usually sandblasting machine is very useful for painting. Its technology is used for manual rust removal, low efficiency, poor site environment and other shortcomings. Therefore, most companies with large production now choose shot blasting. In the production of general castings, sandblasting is an indispensable process for discovering surface defects of castings such as subcutaneous pores, slag holes, sand sticking, cold insulation, and peeling. The surface cleaning of non-ferrous metal castings, such as aluminum alloys, copper alloys, etc., in addition to removing oxide scales and discovering surface defects of castings, the main purpose is to remove burrs from die castings and obtain decorative surface quality. Get a comprehensive effect.