Reworking method for locally defective silk screen glass
A silk screen and defective technology, which is applied in the field of silk screen glass partial defective rework, can solve problems such as trouble, low glass panel processing efficiency, glass panel damage, etc.
Active Publication Date: 2017-04-26
伯恩高新科技(惠州)有限公司
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Problems solved by technology
[0003] In the existing technology, for the poor situation of partial screen printing with ink dots on the hole position or other positions, such as figure 1 As shown, the treatment method is to put the defective product in a heating furnace for reaction, so that the entire surface of the ink is dissolved to achieve the effect of degreasing, and then it is regrinded through a grinder, and it is sequentially passed through fine grinding QC, hardening, stress white flakes and Re-printing ink and other processes for rework, the rework procedures are many and cumbersome, resulting in low glass panel processing efficiency and high processing costs, and the glass panel will also be damaged during the rework process, causing a great waste of raw material costs
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[0022] In the prior art, in the rework process of the glass panel with ink dots in the screen printing holes, the ink on the entire screen printing surface is degreased, and then the screen printing is reworked. Not only the rework efficiency is low, but also the rework cost is high. In order to improve rework efficiency, such as figure 2 As shown, this embodiment discloses a method for reworking partial defects of silk screen glass, including the following steps:
[0023] 1) Mark the glass panel with ink dots on the screen printing hole as defective;
[0024] 2) Adjust the coding shape of the laser head of the laser coding machine so that the coding shape matches the silk screen hole position;
[0025] In this step, the coding shape of the laser head is adjusted according to the shape and size of the silk screen hole with ink dots, such as the IR hole on the glass panel of the mobile phone, or the display part of the display screen. With ink dots attached, the coding shape...
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The invention especially relates to a reworking method for locally defective silk screen glass, belonging to the technical field of silk-screen printing methods for glass. The reworking method comprises the following steps: marking a glass panel with a printing ink spot at a silk-screen printing hole site as a defective glass panel; adjusting the coding shape of a laser head of a laser coding machine to allow the coding shape to match with the silk-screen printing hole site; placing the glass panel marked as the defective glass panel below the laser coding machine and aligning the laser head with the silk-screen printing hole site; starting the laser coding machine, allowing laser emitted by the laser head to carry out coding on the silk-screen printing hole site so as to remove the printing ink spot at the silk-screen printing hole site; placing the glass panel on a silk-screen printer and carrying out separation line silk-screen printing on the edge of the silk-screen printing hole site; and allowing the silk-screen printer to finish semi-transparent film silk-screen printing of the silk-screen printing hole site. With such a technical scheme, the reworking method is reduced in reworking procedures, improved in glass silk-screen printing efficiency and decreased in processing cost.
Description
technical field [0001] The invention relates to the technical field of glass silk screen printing methods, in particular to a method for reworking partially defective silk screen glass. Background technique [0002] The touch screen glass panel of electronic products is usually processed by silk screen printing process. In order to ensure the normal use of the touch screen of electronic products, the glass panel needs to reserve ink holes during silk screen printing, that is, the screen printing on the hole positions is transparent ink. , so as to avoid the influence of ink on the use of electronic products, such as the glass panel of the mobile phone touch screen has three silk screen holes, an IR hole for the distance sensor, a camera hole and an earpiece hole. During the silk screen printing process of the glass panel of the mobile phone screen, 3%-6% of the product will be partially defective due to environmental, raw material, and human errors. . [0003] In the exist...
Claims
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IPC IPC(8): C03C17/00
CPCC03C17/002
Inventor 宋昌桂王强熊涌权
Owner 伯恩高新科技(惠州)有限公司