System and method for measuring critical dimensions of straight hole and nest hole
A technology of key dimensions and measurement methods, applied in measuring devices, image data processing, instruments, etc., can solve the problems of wall plate scrapping, processing errors of multiple rows of holes, and the inability to detect the quality of hole making in time, so as to facilitate hole making, Improve the processing quality and facilitate the effect of rapid detection
Inactive Publication Date: 2022-01-18
NORTHWESTERN POLYTECHNICAL UNIV
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Problems solved by technology
However, due to the requirements of hole-making efficiency and on-site safety requirements, the automatic hole-making end cannot detect the hole-making quality in time during operation. If the parameter setting is unreasonable, it will lead to processing errors of multiple rows of holes. cause the entire panel to be scrapped
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[0063] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0064] The purpose of the present invention is to provide a system and method for measuring the key dimensions of straight holes and sockets, which is used to quickly detect the processing quality of straight holes and sockets in the process of automatic hole making, avoid processing deviations of a large number of holes, and improve the quality of hole making. Quality and detection efficiency.
[0065] In order to make the above objects, features and advantag...
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The invention discloses a system and a method for measuring critical dimensions of a straight hole and a nest hole . The system comprises a line laser sensor, a line laser sensor controller, an electric table, an encoder, a programmable logic controller and an upper computer. Mechanisms such as the line laser sensor, the electric table and the encoder are used for executing measurement operation, the upper computer, the line laser sensor controller and the programmable logic controller are used for data transmission, calculation and processing, the surface appearance of a measured target is obtained by fitting data scanned by the line laser sensor, then the characteristics of the measured target are extracted, a corresponding key size calculation mode is selected according to the extracted features, and a calculation result is output after calculation is completed. According to the method, online detection of the machined holes in the automatic hole making process of the robot is achieved, the detection efficiency is directly improved, rapid detection of the hole making quality in the automatic hole making process is facilitated, hole making problems can be found conveniently, and the machining quality of an automatic system of the robot is indirectly improved.
Description
technical field [0001] The invention relates to the technical field of automatic control measurement, in particular to a system and method for measuring the key dimensions of straight holes and socket holes. Background technique [0002] During the assembly process of aircraft panels, a large amount of hole-making work is required. There are mainly two types of holes: straight holes and socket holes. The traditional hole-making method for wall panels is manual hole-making, which is inefficient and difficult to guarantee accuracy, and the holes do not have processing consistency, which has a serious impact on the quality of subsequent assembly. According to the requirements of processing quality consistency and automatic digital assembly, the automatic hole-making end system based on six-axis serial robot is introduced into the operation of automatic manufacturing assembly. According to the requirements of the hole-making point, the flexible mechanical arm of the six-axis se...
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IPC IPC(8): G01B11/26G01B11/08G01B11/12G01B11/22G06T17/00
CPCG01B11/26G01B11/08G01B11/12G01B11/22G06T17/00
Inventor 程晖赵子增骆彬刘盈利朱宇晨王岚姚杭
Owner NORTHWESTERN POLYTECHNICAL UNIV