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Effect of cut wire shot quality on cleaning effect?

2019-05-10 09:18:14   Review:0 Click:
  Cut wire shot is the main consumable in shot blasting cleaning process. The wear and tear of high quality 1.5mm cut wire shot is a gradual process. The cut wire shot impacts the surface of the workpiece after acceleration by the shot blaster. Without a single impact, the cut wire shot produces a deformation, and a layer of metal will fall off. The shape of the cut wire shot is similar to football, and it is a polygon. The impact effect of each direction on the casting is equal. After many times of impact, the cut wire shot become smaller and smaller. When they are small enough, they will be sucked away for the dust collector or separated by the pellet sand separator.

  The brain of shot peening machine when shot peening separator is used, which illustrates its importance in the whole set of shot peening equipment. In the process of shot peening machine, the performance of shot peening separator will directly affect the cleaning efficiency and cost. The work of pellet-sand separation is to separate the impurity sand from the steel pellets which have been ground very small or broken from the normal steel pellets, so as to ensure the cleaning efficiency and reduce the wear of the pellet blasting machine. Cut wire shot is the main cause of equipment wear when shot blasting machine works. Statistics show that the life of vulnerable parts will be reduced by half for every 2% increase in sand.

  The roughness of the cast surface after shot blasting cleaning is closely related to the strength and projection speed of the cut wire shot used. The larger the size of the cut wire shot, the higher the roughness of the workpiece surface, the faster the projection speed of the cut wire shot, the higher the roughness of the workpiece surface, and the lower the surface roughness of the mixed use of multiple-size cut wire shot than that of single-size cut wire shot.

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