Corrosion brands factory analysis of corrosion of metal plate processing technology

Corrosion plates factory analysis of corrosion of the metal plates craft brands also called etching plate corrosion of metal. Primary check through mask, etching processing 3 processed making of braille metal plates or concave word metal plates. Corrosion of metal sign production workers - - - - - - - > corrosion plates factory analysis of corrosion of the metal plates craft brands also called etching plate corrosion of metal. Primary check through mask, etching processing 3 processed making of braille metal plates or concave word metal plates. Corrosion of metal sign process: 1) Blanking: according to the drawing requirements ( Page size) The size of the around with no less than 5 mm above the burrs. Cutting board with 720 type pedal plate shears, requirement surface level off, without margin. 2) Metal corrosion sign surface treatment: ( 1) Mechanical polishing: in 2. 2 - 4 kw polishing machine, mechanical polishing of woollen cloth round of 300 - use Motor speed generally 2000-350 3000 r/min. ( 2) Alkali treatment: with a 10 - Sodium hydroxide in 65-15% Will metal plate to boil 10-85 ℃ water solution For 30 seconds, and then remove with clean water, immersed in a 5% weight inscription acid in aqueous solution. ( 3) Powder processing method: use a flat brush dips in old pink, Double pink) Will board evenly brush all ears, cross the crossover to until to remove dirt, and removing the effect of oxygen skin, and then closed with 5% potassium dichromate solution. ( 4) Wire drawing processing method: use mechanical or manual drawing method, the metal plate wire drawing processing, metal surface in order to achieve regeneration effect. Metal flat what is sun sign: metal flat sun sign is mainly with the method of photosensitive sun brand, will dissolve into different color film, and make it is shown by the method of development on the metal plate, so as to achieve the aim of explain significance of a metal plate. Corrosion sign factory introduced here are often come into contact with the metal flat sun sign of specific technological process and formula ( Ping tan sign process) : flat drying aluminium signs: is the method that USES photographic pattern, different pigments in the film, make its text, pattern is present on the metal plate, illustrate significance so as to achieve a metal nameplate. 1) Blanking: wool size general than plate size ( More than 5 mm) , board face level off is smooth, without concave pit. 2) Polishing before treatment: (1) (2) drawing (3) (4) several methods such as oxidation processing. 3) Water closed: will handle good board, after degreasing, in addition to film, quickly into the water and air. 4) Glue: the glue solution configuration. Glue: 200 - Of boiling water and 230 grams of water: 1000 ml, 2 hours, can dissolve the glue liquid, the temperature dropped to 30 - Join the photosensitizer (when 50 ℃ Heavy butyric acid ammonium) 25 - After 30 grams of adhesive solution evenly coated on the metal plate, drying. 5) Printing: available SB750 type vacuum drying machine format for photographic plate burning, light - 60 Time 40-90 cm After 80 seconds, in the warm water for developing 1 minute dyed in the color liquid. 6) Bartender light: after fully dyeing, after dry, apply with the brush or spray gun light lacquer ( General card is in the eyes or exemption of the lacquer that bake bake light paint) 。 7) Shear. Ping tan signs are used for indoor supplies, small appliances and not affected by the bad weather devices. Advantage is plate making process is simple, fast, timely delivery, defect rate and low. The defect is and, easy to fade. Can't do outdoor signs.

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