Glass plate manufacturing method and glass plate manufacturing apparatus
A manufacturing method and glass plate technology, applied in the direction of manufacturing tools, control of workpiece feed movement, metal processing equipment, etc., can solve the problems of easy defect of end face and achieve the effect of improving processing accuracy
Active Publication Date: 2019-01-22
AVANSTRATE INC +1
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Problems solved by technology
Therefore, the end surface of the cut glass plate becomes sharp and easily chipped.
Method used
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[0035] While referring to the attached Figure 1 The glass plate manufacturing method which is embodiment of this invention is demonstrated. The glass plate manufacturing method in this embodiment uses the end surface processing apparatus 100 for processing the end surface of a glass plate, and the end surface measuring apparatus 110 for measuring the shape of the end surface of a glass plate.
[0036] (1) Outline of manufacturing steps of glass plate
[0037] The manufacturing procedure of the glass plate 10 processed by the end surface processing apparatus 100 used in this embodiment is demonstrated. The glass plate 10 is used for manufacturing flat panel displays (FPDs) such as liquid crystal displays, plasma displays, and organic EL (Electroluminescence, electroluminescence) displays. The glass plate 10 has a thickness of, for example, 0.2 mm to 0.8 mm, and has dimensions of 680 mm to 2200 mm in length and 880 mm to 2500 mm in width.
[0038] As an example of the glass ...
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The invention provides a glass plate manufacturing method and a glass plate manufacturing apparatus, being able to improve the processing precision for the end surface of a glass plate. The glass plate manufacturing method comprises an end surface processing step, an end surface testing step, a processing line calculation step and a processing line correction step. The end surface processing step is that performing chamfering for the end surface relative to moving of the glass plate by using a chamfer grindstone; the end surface testing step is that testing the shape of the end surface after chamfering; the processing line calculation step is that calculating the track, as if the processing line, about the chamfer grind stone to the glass plate in the end surface processing step, according to the tested shape of the end surface; the adjusting line calculation step is that calculating the adjusting lien according to the calculated processing line; and the end surface processing step is that performing chamfering for the end surface relative to moving of the glass plate by using a chamfer grindstone when the adjusting line is calculated.
Description
technical field [0001] The invention relates to a glass plate manufacturing method and a glass plate manufacturing device. Background technique [0002] A glass plate used to manufacture a flat panel display (FPD, Flat Panel Display) such as a liquid crystal display and a plasma display is manufactured by, for example, an overflow down-draw method. In the overflow down-draw method, the molten glass that has flowed into the forming body and overflowed flows down the surface of the forming body and merges near the lower end of the forming body to continuously form a glass sheet. The formed glass plate is cooled while being stretched downward, and cut into a predetermined size. The cut glass plate is packaged and shipped after going through the end surface processing step, the surface cleaning step, and the inspection step. [0003] In the step of cutting the formed glass sheet into a predetermined size, generally, a cutting method using a cutter or a laser is used. In the m...
Claims
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IPC IPC(8): B24B9/10B24B49/03
CPCB24B9/10B24B49/03
Inventor 三石刚大小林健二铃木睦规四元达也
Owner AVANSTRATE INC