Color-coated by shearing, punching, bending and connecting other machining processes, products made from a variety of different uses. Since the color-coated surface layer of the film, so there are a lot of time working with ordinary steel different places, attention should be paid to prevent the processing of film damage and affect the appearance and life.
A. shearing: should minimize burr cut surface, the metal powder and clear cut while at the same time in the following covered rubber pad, color-coated to prevent the stacking surface damage during processing;
B. bending: should be removed before working on the dirt and rust member dies, presses and other; when the temperature of the process is preferably controlled at 5 degrees Celsius; if conducting roll press processing, application of hard material roll (hardened steel, tool steel etc.) or the roll-plated hard-ming;
C. working pressure: working pressure proceeds painted steel substrate and coating it must be carefully chosen type; in addition to the processing carefully, especially the surface of the mold should be smooth, pre-painted steel surface is also protected under the circumstances paste film, with a protective coating;
D. Connection: color coating can be mechanically, welded connections and adhesive connections, but the color-coated welding equipment and process technology is still in the experimental research stage, not yet mature, users should try to use mechanical connection method.
E. caitu cutout section protection: In the design of the product, try to place the incision hidden part; when used as a color-coated galvanized sheet substrate, due to the expense of having a zinc steel pole protective effect, generally do not have to cutout section for special treatment. Only those drugs, corrosive gas contacts or use in other harsh environments, fishes cutout section for protection.