Liquid crystal glass special-shaped processing method
A liquid crystal glass, special-shaped processing technology, applied in metal processing equipment, manufacturing tools, work carriers, etc., can solve problems such as poor quality, evaluation errors, non-compliance with requirements, etc., to achieve high quality of processed products, high processing efficiency, and avoid damage. Effect
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[0023] Example
[0024] Such as Figure 1-2 As shown, a liquid crystal glass special-shaped processing method provided by an embodiment of the present invention includes the following steps:
[0025] S1. Transfer the liquid crystal glass to the positioning fixture by vacuum adsorption (the vacuum adsorption method can prevent damage to the liquid crystal glass), and the vacuum groove on the surface of the positioning fixture fixes the liquid crystal glass, and then passes the outside of the positioning fixture Positioning column for initial positioning;
[0026] S2. Clean up the debris on the surface of the liquid crystal glass, and use the CCD camera of the engraving machine to extract the image of the liquid crystal glass in the positioning fixture to realize the alignment of the marking points on the liquid crystal glass and complete the secondary positioning;
[0027] S3. The data of the secondary positioning is transmitted to the precision carving machine. The precision carving ...
Example Embodiment
[0036] Experimental example
[0037] Compared with the previous processing of special-shaped liquid crystal glass (the defect rate of liquid crystal leakage, broken panel, and edge chipping is high, far greater than 0.3%), the liquid crystal glass produced by this application has high precision, The defect rate is within 0.3%, especially the improvement of the problem of crystal leakage, which solves the problem to a large extent. A total of 32 products have been tested through the CPK (Process Capability Index) accuracy verification. The data is as follows:
[0038]
[0039]
[0040] Among them, PPK is the performance index, R1-R9 are the chamfer dimensions (in mm) around the processed liquid crystal glass, and the above processing accuracy meets the product requirements.
[0041] Then perform 4PB (four-point bending test) strength verification on the processed liquid crystal glass to obtain image 3 with Figure 4 Probability diagram of pressure (MPa) and Poisson's ratio (refers to...
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