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Surface Cleaning and Workpiece Strengthening of Hook shot peening machine
Jun 27, 2018

Hook shot peening machine as a shot blasting equipment, its application range is very extensive, on the one hand it can be used for casting industry, castings, cast iron parts of the surface of sand and scale removal; on the other hand It also helps to further enhance the performance of the workpiece.


Almost all steel castings, ash castings, and ductile iron parts can be shot-blasted by a double-hook shot blasting machine. This is not only to remove oxide scale and sticky sand on the casting surface, but also to inspect the quality of the casting before it is inspected. The preparation process, such as the large gas turbine casing must be strictly shot blasted before the non-destructive testing to ensure the reliability of the test results.


In general casting production, shot blasting with double-hook shot blasting machines is an indispensable technique for discovering surface defects such as subcutaneous pores, slag holes, and sticky sand, cold septa, and peelings. For the surface cleaning of non-ferrous metal castings, such as aluminum alloys, copper alloys, etc., in addition to removing oxide scales and finding the surface defects of the castings, the more important purpose is to remove the burrs of the castings by shot peening and obtain decorative meanings. Surface quality, get comprehensive effect.


In metallurgical iron and steel production, shot peening or pickling of a double-hook type shot blasting machine is a process method for ensuring the high productivity in the mass production of steel and using a combination of mechanical or chemical removal of phosphors. In the production of silicon steel sheets, stainless steel sheets, and other alloy steel sheets and strips, annealing must be performed during the cold rolling process before shot blasting or pickling treatment to ensure the surface roughness and thickness accuracy of the cold rolled steel sheets.


According to scientific theory, increasing the dislocation density inside the metal is the main direction of increasing metal strength. At the same time, it has been proved that the shot blasting of the double-hook shot blasting machine is an effective method for increasing the dislocation structure of metals. This requires that some metals cannot be transformed hardened or transformed hardened. For enhanced parts, it is of great importance.


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