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General requirements for electrostatic powder coating equipment for industrial aluminum products

(1) The design, manufacture and ex-factory of industrial aluminum powder electrostatic powder spraying equipment shall comply with the provisions of 4.1 and 4.2 of GB7691-1987 "Safety procedures for coating operations, labor safety and labor hygiene management":

(2) The safety, sanitation, fireproof, explosion-proof and noise of the dusting area and the grounding of all equipment (including industrial aluminum products and catenary) shall meet the requirements of chapter 4 of GB 15607-1995 “Safety regulations for coating operations, electrostatic powder coating process safety”. Relevant regulations;

(3) The layout of equipment and pipelines in the spraying area shall be neat and beautiful, and shall meet the requirements for use, maintenance and safety.

(4) In the frequent use of color change powder spraying, the average color change time of electrostatic powder coating equipment should not be greater than 45min;

(5) The connection between the electrospray chamber, the recovery device and the pipeline shall be well-sealed and free of powder spillage;

(6) Electrostatic powder spraying room, powder feeding device and sieve powder device shall be made of non-combustible or flame-retardant materials; the shell of the recycling device shall be made of conductive material; when the above equipment is made of ordinary steel, it shall be in accordance with GB/ The requirements of T6807 are to be phosphatized and coated with a protective decorative coating. The adhesion of the coating shall meet the grade 1-2 specified by GB/T9286 (cross-cut method), and the hardness of the coating shall not be lower than that specified in GB/T6739. 2H (pencil hardness), coating thickness should not be less than 50μm.