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Surface treatment Soutions
Coil Handling and Press Feeding Solutions
In the production process of castings, there will be a process of shot blasting to improve the quality of the workpiece and arrange the appearance of the workpiece.
However, after shot peening, the entire surface of the castings may become black or there are obvious black marks and black mottles in some parts. Some can be thrown away, and some have been immersed in the casting matrix.
The following is the reason for the black casting after shot blasting.
The shot blasting brought by the die casting process has disadvantages.Excessive black oil is used in die-casting, the punch oil splashes when the mold is opened, and the paint splashes during the die-casting.
The product has been left for too long or the temperature is humid, the appearance is corroded, moldy or dusty.
The dust removal equipment of the shot blasting machine fails, and the steel shot contains more dust.
The operator did not wear gloves as required, and touched the surface of the casting directly after shot peening with his hands, causing fingerprint marks.
After shot blasting for a long time, there is dust or splashes of water or oil on the surface, and the environment is humid and oxidized.
MAYFLAY is a high quality manufacturer of all types of surface preparation equipment and coil handling equipment.It has long been committed to the design and manufacture of shot blasting, shot peening, sandblasting and decoiler, straightener, feeder and press machine,and provides intelligent surface treatment solutions and sheet metal stamping solutions to customers around the world.
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