What are the silk-screen label factory introduced label production requirements?

What are the silk-screen label factory introduced label production requirements? 1, modelling welding requirements: printing plate factory defects must be thoroughly cleared before welding, the groove surface shall be flat smooth, can not have sharp corners. Welding area - within and around 20 mm groove - - - - - - > screen printing label factory introduced label production what are the requirements? 1, modelling welding requirements: printing plate factory defects must be thoroughly cleared before welding, the groove surface shall be flat smooth, can not have sharp corners. Welding area and groove around 20 mm within the adhering sand, oil, water, must clean up dirt, rust, etc. Pass the heap welding on the surface of the overlap between amount shall not be less than 1/3 of the weld bead width. No burns, meat full welding, welding, cracks and distinct nodules. Weld appearance is beautiful, without a bit of meat, and slag, porosity, crack, splash and other defects; Welding wave of uniform. 2, the lacquer that bake requirements: must be conducted before the lacquer that bake surface residue, ash grinding and a series of surface treatment. Using high quality paint spray paint processing. Room of the lacquer that bake workshop must be no dust particles, three three surface spray treatment of the lacquer that bake, coating thickness is greater than or equal to 35 microns. The color of the paint should conform to the requirements of the customers. Surface coating shall be smooth, uniform, do not allow the flow mark, wrinkles, orange peel, air bubble, inclusion defects, affect adornment effect, etc. 3, screen printing requirements: now a lot of the text on the sign and pattern are all adopt the method of silk screen printing, the printing surface with alcohol or white electric oil before cleaning. Screen printing position must be accurate, the color of the silk screen printing should accord with the requirement of design, fonts and design schedule is clear, no defects, such as deformation, serrate. Silk screen graphics text and background color contrast had no obvious infiltration phenomenon. 4, installation requirements: marking system must ensure that the installation is firm, elegant appearance, easy to panel replacement and maintenance. All installation accessories, bolts of sign system should be galvanized anti-corrosion treatment. In addition, the overall appearance of sign, use the material all should accord with the requirement of design solution.