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A method for rapid detection and precise length measurement of product burrs

A precise measurement and burr technology, applied in the direction of measuring devices, optical testing flaws/defects, instruments, etc., can solve problems such as the accuracy of burr detection and the complicated calculation process of precise measurement values, and achieve the effect of improving extraction accuracy and high measurement accuracy

Active Publication Date: 2022-04-12
深圳市杰恩世智能科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The present invention solves the technical problem that the accuracy of the existing burr detection and the calculation process of the precise measurement value are relatively complicated

Method used

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  • A method for rapid detection and precise length measurement of product burrs
  • A method for rapid detection and precise length measurement of product burrs
  • A method for rapid detection and precise length measurement of product burrs

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Embodiment Construction

[0032] All features disclosed in this specification, or steps in all methods or processes disclosed, may be combined in any manner, except for mutually exclusive features and / or steps.

[0033] Any feature disclosed in this specification (including any appended claims, abstract and drawings), unless expressly stated otherwise, may be replaced by alternative features which are equivalent or serve a similar purpose. That is, unless expressly stated otherwise, each feature is one example only of a series of equivalent or similar features.

[0034] Such as figure 1 As shown, based on the theoretical curve of the product graphic outline, the normal straight line of each point on the curve is calculated sequentially, and the coordinates with the largest gray scale change on the straight line (that is, the preliminary product edge point) are found, and then sub-pixel analysis is performed at the edge point to make the edge The point is closer to the real edge point;

[0035] Accord...

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Abstract

The invention discloses a method for rapid detection and precise length measurement of product burrs, which relies on image grayscale changes and product graphic outlines to detect burrs on the surface of products, analyze and accurately measure the burrs, and all processing is at the millisecond level Finish. The present invention solves the complicated technical problem of the accuracy of the existing burr detection and the calculation process of the precise measurement value. The European length of the skeleton of the burr is used to represent the length of the burr. Information such as length indicates that the length of the burr is more realistic and the measurement accuracy is higher.

Description

technical field [0001] The invention relates to the field of machine vision detection and measurement, in particular to a method for rapid detection and precise length measurement of product burrs. Background technique [0002] In industrial automated production, products of various shapes are to be produced, and production processes such as cutting, stamping, and die-cutting are generally used. No matter what kind of production process is used, various defects such as cracks and burrs cannot be avoided in the production process. Every kind of defect will have an impact on the use of the product, for example: cracks will have a serious impact on the firmness of the product; burrs will aggravate the friction during the use of the product and affect the life of the product. The same type of flaws on products have different impacts in different industries. For example: in the production process of lithium batteries, due to the problem of punching tools, burrs are easily gener...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N21/95G01B11/02
CPCG01B11/02G01N21/9515
Inventor 甄明辉武亚飞李亚辉张永鹏肖尚
Owner 深圳市杰恩世智能科技有限公司