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Shandong QDKS M&E Equipment Co.,LTD
27
2023
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03
Shot blasting equipment
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Shot blasting equipment is first used in the foundry industry cast steel, cast iron parts of the surface of the sticky sand and oxide skin removal.
Shot blasting equipment is first used in the foundry industry cast steel, cast iron parts of the surface of the sticky sand and oxide skin removal.
Cast steel parts, gray castings, malleable steel parts, ductile iron parts, etc. to be shot blasting treatment. This is not only to remove the casting surface oxidation and sticky sand, but also casting quality inspection before the indispensable preparation process, such as large gas turbine casing in nondestructive testing before, to carry out strict shot blasting cleaning to ensure the reliability of the flaw detection results. In the production of general castings, shot blasting cleaning is an essential process to detect surface defects in castings such as subcutaneous porosity, slag holes and sticky sand, cold compartments, skin, etc.. Non-ferrous metal castings, such as aluminum alloys, copper alloys and other surface cleaning, in addition to the removal of oxide, the discovery of surface defects in castings, the main purpose is to blast shot blasting to remove the burr of die castings and obtain the surface quality with decorative significance, to obtain a comprehensive effect. Metallurgical steel production, shot blasting or pickling is a process method to ensure that the steel mass production to obtain high productivity and the use of mechanical or chemical joint removal of phosphorus skin. Silicon steel sheet, stainless steel sheet and other alloy steel plate, production, in the process of cold rolling process must be annealed and then shot blasted or pickled to ensure that the surface roughness and thickness accuracy of cold rolled steel sheet.
According to modern metal strength theory, increasing the dislocation density inside the metal is the main direction to improve the metal strength. Shot blasting has proven to be a proven process method to increase the dislocation structure of metals. This is of great importance for some metals that cannot be hardened by phase transformation (such as martensite quenching, etc.) or on the basis of phase transformation hardening and require further strengthening of the workpiece. Aviation, aerospace industry, automotive, tractors and other parts require light weight, but increasingly high reliability requirements, its important process measures is the use of shot blasting process to improve the strength of the component.
Shot blasting machine according to the structure of the casting carrier is divided into roller type, chain plate type, rotary table, cart type, rat cage type and hanging type shot blasting machine.
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