What are the advantages of Dalian sandblasting compared to other pre-treatment processes

The abrasive used for wet sandblasting is the same as that used for dry sandblasting. This abrasive can be mixed with water to form a mortar. Abrasives generally account for 20% -35%, continuously stirred to prevent sedimentation. Compressed air is pressed into the nozzle and sprayed onto the parts. Sand and water can also be mixed separately in the tank before flowing into the nozzle, and then sprayed onto the parts. To prevent corrosion of steel parts, corrosion inhibitors such as sodium nitrite must be added to the water. Additionally, sandblasting can be carried out under the nozzle and should be dried before use. There are many types of equipment for wet sandblasting machines, and the commonly used one is the sandblasting room.

Both shot blasting and sandblasting can clean and decontaminate workpieces. The purpose is to prepare for the next process, that is, to ensure the roughness requirements of the next process. Some people also want surface consistency. Shot blasting can strengthen the workpiece, so the sandblasting effect is not significant. Shot peening is usually done with small steel balls, while sandblasting is usually done with quartz sand. Divide into grids according to different requirements. Sandblasting and shot blasting are used almost daily in casting.

What are the advantages of Dalian sandblasting compared to other pre-treatment processes such as acid pickling and tool cleaning

1) Sandblasting is a universal, fast, and effective cleaning method.

2) Sandblasting can be arbitrarily selected between different roughness levels, which cannot be achieved by other processes. The surface of manual sanding is rough, but the speed is too slow. Chemical solvent cleaning can make the surface too smooth for coating. Bonding.

Cleaning and polishing of rough surfaces of castings and workpieces after heat treatment. Sand blasting can remove all dirt (such as oxide skin, oil stains, etc.) from the surface of castings, forgings, and workpieces after heat treatment, and can polish the surface of the workpiece to improve its smoothness. It can make the workpiece present a uniform and consistent metallic color, making the appearance of the workpiece more aesthetically pleasing.

When conducting sandblasting processing, it is necessary to use things such as gas storage tanks, pressure gauges, and safety valves that pose safety hazards. To avoid such safety hazards, it is recommended to conduct regular calibration. Sandblasting operations must not be carried out in an unventilated environment. The correct working procedure is to turn on the dust removal equipment five minutes before work.