Mould making process for multilayer acid-free metal plate

Abstract

The invention relates to a mould making process for a multilayer acid-free metal plate, which comprises the following processes and steps of: (1) buffing and polishing the metal plate; (2) uniformly spraying a photosensitive coating material; (3) making a first layer design film; (4) shading the metal plate with the first layer design film for ultraviolet light exposure and curing; (5) immersing and cleaning with sodium hydroxide; (6) washing with water; (7) etching through saline electrolysis; (8) demoulding; (9) washing with water; (10) uniformly spraying the photosensitive coating material; (11) drying; (12) making a second layer design film; (13) shading the metal plate with the second layer design film for ultraviolet light exposure and curing; (14)-(18) repeating the steps and process from (5) to (9); (19) drying; and (20) plating chromium. The invention has the advantages of good working environment, harmlessness to a human body, environment protection, high precision, convenient operation and inspection and high rate of finished products.

Description

technical field [0001] The invention relates to a multi-layer acid-free metal plate molding process. Background technique [0002] In the existing metal plate molding process, the metal plate is generally corroded by a corrosive acidic substance to form various pattern lines. However, the use of this acidic substance has the following disadvantages: 1. The working environment of the workers is harsh, and protective clothing must be worn during work, which is inconvenient to operate; 2. It is harmful to the human body, has serious damage to the respiratory tract, eyes, skin, etc., and pollutes the environment. Environmental protection; 3. The precision is not high, it is prone to collapse, and the fine texture cannot be realized; 4. It cannot be multi-layered and three-dimensional prepared; 5. It is inconvenient to operate, it is difficult to adjust during the process, and it cannot be conveniently inspected, and the scrap rate is high. Contents of the invention [0003] T...

AI Technical Summary

Problems solved by technology

However, the use of this acidic substance has the following disadvantages: 1. The working environment of the workers is harsh, and protective clothing must be worn during work, which is inconvenient to operate; 2. It is harmful to the human body, has serious damage to the respiratory tract, eyes, skin, etc., and pollutes the environment. Environmental protection; 3. The precision is not high, it is easy to collapse, and the fine texture cannot be realized; 4. It cannot be multi-layered and three-dimensional prepared; 5. It is inconvenient to operate, it is difficult to adjust during the process, and it cannot be conveniently inspected, and the scrap rate is high.