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Surface treatment Soutions
Coil Handling and Press Feeding Solutions
There are main differences between sandblasting and shot blasting.
Different working principles:
Shot blasting machine uses a high-speed rotating impeller to throw small steel shots or small iron shots out to hit the surface of the part at high speed, so the oxide layer on the surface of the part can be removed.
Sandblasting is a method of using compressed air to blow out the quartz sand at high speed to clean the surface of the part.
Different functions:
The sandblasting machine is in order to remove rust and scale on the surface, such as parts after heat treatment.
Shot blasting machine has many functions. It not only removes rust and surface oxides, but also improves surface roughness, removes machining burrs of parts, eliminates internal stress of parts, reduces deformation of parts after heat treatment, and improves surface wear resistance of parts.
Different processing technology:
Sand blasting is mainly manual operation, while shot blasting is more automated and semi-automatic.
The materials used are different:
The steel shots and iron shots used in shot blasting are not actually shots. To be precise, they are small steel wires or small steel rods. They only look like shots after a period of use.
The sand of the sandblasting machine is river sand, which is no different from that used for construction, except that the sand used for sandblasting is screened, contains less mud and has different particle sizes.
Of course, some industries are also different. For example, the shipbuilding industry uses real steel shots, and sandblasting uses metal ore.
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