The through type shot blasting machine uses the high-speed rotating impeller to throw the abrasive material to the steel surface to achieve the purpose of rust removal. The rust removal of various castings, forgings, structural steel, steel fabrications, beams, sheet metal, pipes, tubes, bars, profiles, etc. is a better mechanical treatment method, which not only has high production capacity but also has low cost and a high degree of automation. Due to less pollution to the environment, it can not only be used indoors but also outdoors.
The failures of shot blasting machine can be categorized as progressive, abrupt, or compound, depending on when the failure occurs.
Through Type Shot Blasting Machine Progressive Defects
Progressive defects develop through a gradual process of deterioration of blasting machine spare parts (wear, corrosion, fatigue, aging), which can be predicted through pre-testing or monitoring. Machine deterioration is the gradual loss of original function or obsolescence of shot blast machine parts during use or shelving, or when they become less functional than newer equipment.
The first characteristic of a progressive defect is that the fineness of the likelihood of the defect occurring is related to the length of the application, the longer the application, the greater the likelihood of the defect occurring. Most of the shortcomings of shot blasting machines are attributed to these defects. This defect is only evident late in the effective life of the blast machine. Once this defect occurs, it marks the end of the life of the blast machine and requires an overhaul. Since this drawback is gradual, it can be guessed.
Through Type Shot Blasting Machine Abrupt Defects
Sudden shortcomings of blast machines are the result of a variety of adverse factors and occasional external influences; such defects are characterized by occasional occurrences that cannot be predicted by prior testing or monitoring but are usually easy to clean. These defects include thermal deformation cracking of parts due to lubricating oil cessation; improper mechanical application or overload phenomena leading to part fracture; deformation and cracking of parts due to reaching the limit values of each parameter.
Through Type Shot Blasting Machine Compound Defects
Blast machine compound disadvantages include the characteristics of both of these disadvantages. The time of occurrence of the disadvantage is indefinite and is not related to the condition of the blast machine, while the speed of the process of depletion of the working capacity of the blast machine is related to the function of the depletion of the working capacity of the blast machine. If there are stress concentrations in the parts of the blast machine, cracks may gradually appear as the machine is subjected to strong external shocks and as the machine continues to be used.
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