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A kind of etching process of magnesium alloy etching plate

A magnesium alloy plate and magnesium alloy technology are applied in the field of etching process of magnesium alloy etching plate, which can solve the problems of unstable performance of magnesium alloy etching plate, poor etching edge slope, lack of mature etching process, etc. Clear surface, low density effect

Active Publication Date: 2019-10-29
SHANGHAI LIZHENG SATELLITE APPL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] However, at present, there is no mature etching process for the preparation of magnesium alloy etching plates in China, which leads to unstable performance of magnesium alloy etching plates, mainly reflected in the poor slope of the etching edge, and many defects such as pits that affect the quality of bronzing on the plate.

Method used

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  • A kind of etching process of magnesium alloy etching plate

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Embodiment 1

[0039] This embodiment relates to an etching process for a magnesium alloy etching plate, including preparing the plate, attaching a film, exposing, developing, etching and drying. When making a letterpress, the process parameters of the etching include:

[0040] (1) Rotational speed: the rotational speed of the etching machine blade is 420-430rpm;

[0041] (2) Etching solution temperature: when publishing, the temperature of the etching solution was 33-34°C; when publishing, the temperature of the etching solution was 38-39°C;

[0042] (3) Etching time

[0043] When using the newly prepared etching solution, when the etching time is 5 minutes, the etching depth on the magnesium alloy plate is 0.7-0.8mm; if you want to etch to other depths, you need to prolong the etching time proportionally. When using a non-freshly prepared etching solution, gradually extend the etching time of the next magnesium alloy plate according to the etching depth of the previous magnesium alloy pla...

Embodiment 2

[0051] This embodiment relates to an etching process for a magnesium alloy etching plate, including preparing the plate, attaching a film, exposing, developing, etching and drying. When making a gravure, the etching process parameters include:

[0052] (1) Rotational speed: the rotational speed of the etching machine blade is 370-380rpm;

[0053] (2) Etching solution temperature: when publishing, the temperature of the etching solution was 35-36°C; when publishing, the temperature of the etching solution was 38-39°C;

[0054] (3) Etching time

[0055]When using the newly prepared etching solution, when the etching time is 5 minutes, the etching depth on the magnesium alloy plate is 0.7-0.8mm; if you want to etch to other depths, you need to prolong the etching time proportionally. When using a non-freshly prepared etching solution, gradually extend the etching time of the next magnesium alloy plate according to the etching depth of the previous magnesium alloy plate. If the e...

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Abstract

The invention provides an etching process of a magnesium alloy etching plate. The etching process comprises the steps of plate burning, plate opening, acid pickling, etching, drying and the like. Whena relief printing plate or a gravure plate is manufactured through etching, the process parameters of etching comprise the rotating speed, the etching liquid temperature, the etching time and acid adding. For a specified etching machine, etching liquid is prepared according to a certain proportion, high-efficiency and high-quality etching of a magnesium alloy etching plate is achieved through real-time temperature control and timely acid adding, and after the magnesium alloy etching plate is made according to the process, the gradient is proper, and the edge is sharp; and after gold stamping,the surface of a printed material is clear and smooth.

Description

technical field [0001] The invention relates to the technical field of etching technology in the printing industry, in particular to an etching technology for a magnesium alloy etching plate. Background technique [0002] Etching plate is a special metal stencil for printing industry (hot stamping). At present, there are mainly three kinds of etching plates made of copper alloy, zinc alloy and magnesium alloy on the market. [0003] In recent years, with the vigorous development of printing and packaging industries, enterprises have continuously improved the quality requirements of metal stencils, and heavy metal ion pollution has been strictly controlled by environmental protection policies. Therefore, it has the advantages of low density, fast heat dissipation, high hardness, easy demoulding, and neat slope. , smooth edges, easy to stick to the plate, faster hot stamping speed than copper and zinc plates, higher printing durability than zinc plates, easy processing, low pr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C23F1/22C23F1/08
CPCC23F1/08C23F1/22
Inventor 张永涛李云良杨定宇
Owner SHANGHAI LIZHENG SATELLITE APPL TECH CO LTD