What are the applications of shot blasting machine

1、 Main functions.

It can remove the oxide skin or sand on the surface of cast steel and cast iron, and clean the surface of castings. It is also a necessary step for casting quality inspection. Large turbine casings can only be inspected after shot peening to ensure reliable results. Hook type shot blasting machine is divided into single hook and double hook. The hook type shot blasting machine loads the workpiece through two hooks and enters the shot blasting cleaning room alternately. The shot blasting machine is used to place 0.2~0.8 shot on the workpiece surface to make the workpiece surface reach a certain roughness, make the workpiece beautiful, or change the compressive stress of the workpiece to improve the service life. For castings, shot peening is a necessary process to find defects such as surface peeling and subcutaneous porosity, which can ensure high-quality castings.

In modern metal strength theory, as long as the density of dislocation inside the metal increases, the strength of the metal can be improved. The shot blasting machine can strengthen the dislocation structure of metal and help to improve the strength of metal. This method is very effective for hardening metals that cannot use phase transformation.

Through shot peening, the pressure stress can be formed on the surface of the casting to improve the tensile strength, corrosion resistance and fatigue strength of the casting, and the twisted thin-walled casting can also be corrected. It can replace the common cold and hot forming process to process large thin-walled castings, avoid residual tensile stress and obtain beneficial compressive stress.

2、 Application field.

1. It can be used to manufacture bearings. Generally speaking, the bearing surface needs to be smooth, and shot blasting can remove burrs and impurities. The difference between shot peening machine and shot peening machine is that it is used to reduce the fatigue life of parts, increase different surface stresses, increase the strength of parts or prevent fretting. According to modern metal strength theory, increasing dislocation density in metal is the main direction to improve metal strength. It has been proved that shot blasting is an effective method to increase the structure of metal dislocation.

2. It can be used for shipbuilding. Most shipbuilding steel plates are rusted, so shot blasting can be carried out well.

3. It can be applied to automobile manufacturing. Many steel plates and castings used in automobiles need polishing, but the original shape and strength of steel plates must be maintained. By shot peening, polishing can be carried out without physical damage. Parts of shot blasting machine can be used to remove burrs, diaphragms and rust, which may affect the integrity, appearance or clarity of object parts. The shot blasting machine can also remove the surface contaminants on some coating surfaces and provide the surface contour to increase the coating adhesion, thus strengthening the workpiece.

4. It can be used in the manufacture of hardware products, and can meet the requirements of hardware flatness, smoothness and cleanliness through shot peening.

5. It can be used in electroplating field. Electroplating requirements are similar to hardware, and can also be used for processing.

6. It can be used in the field of motorcycle parts manufacturing. Usually, drum type equipment is used to complete shot blasting.

In addition, the shot blasting machine can also be used in the field of steel plate manufacturing to deal with new steel plate burrs and other problems, and can also be used in the field of valve manufacturing to polish valve castings to meet product quality requirements.