Do You Know the Reason of Peeling of Spray Welding Layer About Shot Blasting Machine?

1.The powder quality is not good, in the process of powder spray, it shows mirror phenomenon, powder cover has not been branded, flame movement in the past, this form not good spraying layer.

2.In melting the thick layer of the cover, the speed is too fast to make the surface of powder melting, and the powder has not yet melted, the substrate is too low, it can not form metallurgical bonding.

3.The workpiece is larger, when remelting, the temperature rise slowly, light powder oxidation seriously. 

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