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Machine vision

Application of machine vision inspection in valve industry

With the development of the automotive industry, competition in the valve industry is becoming increasingly fierce. In order to meet the upstream manufacturers' requirements for valve product production accuracy, Wei Shi image uses machine vision automatic detection equipment to replace the previous manual detection methods, which improves the product qualification rate for customers.

I. Purpose of the system: valve size measurement, when the unqualified product is detected, the alarm light is loud, the defect pattern is displayed, and the defective product is automatically removed.

Valve


2. Machine vision detection system: The CCD camera is used to convert the detected target into image signals, which are transmitted to a dedicated image processing system, which is converted into digital signals based on pixel distribution, brightness, color and other information. The image processing system performs these signals. Various operations are used to extract the characteristics of the target, and then the results are output according to the preset tolerance and other conditions to achieve automatic recognition and size detection functions. This solution uses a coaxial light source, which provides more uniform illumination than traditional light sources, thus improving the accuracy and reproducibility of machine vision. Evenly illuminate the flat surface, shiny surface, strengthen the scoring, depression, reference positioning and other advantages, you can clearly see the various parts of the product to be tested, greatly enhancing the accuracy of the results. The picture is obtained by the industrial camera, transmitted to the upper computer, and the data is obtained through positioning processing and diameter detection, and then the digital signal is converted to the actual size to obtain the diameter of the product to be tested.

Valve detection diagram

The characteristic of machine vision system is to increase the flexibility and automation of production. In some dangerous working environments that are not suitable for manual work or where artificial vision is difficult to meet the requirements, machine vision is often used to replace artificial vision; at the same time, in mass industrial production processes, artificial vision is used to check the quality of products with low efficiency and accuracy Using machine vision inspection methods can greatly improve production efficiency and production automation. Moreover, machine vision is easy to realize information integration, which is the basic technology for computer integrated manufacturing.

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Email: hniatcom@163.com

Add: Room 603, 6th Floor, Shifting Room, No. 2, Orbit Zhigu, No. 79 Liancheng Road, Shifeng District, Zhuzhou City, Hunan Province

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