Appearance quality of zinc coating: the coating shall be smooth and uniform without pores. The appearance quality of the zinc coating bonded with the metal body shall be firm. After the hammer test, the coating shall not peel off and bulge.
Welding surface quality: there shall be no cracks, slag inclusions, weld beading, burn through, welding surface quality non fusion, craters, needle shaped pores and other defects with response strength.
Welding technology of streetlight pole: argon shielded welding should be used. There should be no missing welding in the whole pole lift, and the weld should be flat without any defects in the welding technology of streetlight pole. The weld conforms to gb/t3323-1987class III specification, and the penetration is more than 805. It is required to provide a welding flaw detection statement.
Hot galvanizing process of street lamp pole: the inside and outside of the lamp pole table, the surface of the lamp panel and all metal accessories shall be hot-dip galvanized. The galvanized layer is required to be evenly hot-dip galvanized on the road lamp pole, and the thickness is not less than 65um; The galvanized surface should be lubricated and beautiful. Conform to gb/t13912-92 specification and provide galvanizing test statement
Plastic spraying process of street lamp pole: passivation treatment shall be carried out after galvanization. The plastic spraying adhesion is good, and the thickness is ≥ 80um (the plastic spraying working color of color street lamp pole is white). Plastic spraying shall be made of imported high-quality plastic powder. Conform to astmd3359-83 specification and provide spray test statement
Straightness of street lamp pole: after the lamp pole is upright, use the straightness of theodolite street lamp pole to check the straightness of the pole in two directions, and the straightness error should be ≤ 0.2%.
The quality inspection report means that when the online mall needs to settle in for all products in its investment catalogue, it needs to provide a trademark and at least one quality inspection report as the qualification document for settling in.
Post time: Jul-26-2022