Advantages and disadvantages of powder flame spraying

       Powder flame spraying, especially powder oxygen-acetylene flame spraying, is a spraying method with a wide range of applications and a large number of spraying methods. The equipment required for oxy-acetylene flame spraying is simple and the investment is low. For repaired components. It can carry out large-area surface spraying and spray welding, and can also repair local parts of large-scale products. Time saving and process flexibility.



     Oxygen-acetylene spraying and spray welding have less heat input to the workpiece, so the stress deformation caused is small. Spraying is not limited by the chemical composition of the workpiece material, and the tissue properties of the original material can still be maintained after spraying.

     Compared with other surface treatment methods, the oxy-acetylene flame spraying and spray welding operation process is simple. The main process parameters are easy to control. Because the spraying equipment is simple, light in weight and easy to move, it can be operated on site.

     Oxygen-acetylene flame spraying and spray welding still have some shortcomings, such as, it is not very economical for small repair parts. During blasting pretreatment and during spraying operations. Powder scattering occurs, and the spray material and atmospheric compounds produce condensed substances, etc. Therefore, attention should be paid to environmental protection to prevent harm to the human body.