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YIHUI PRECISION (HK) INDUSTRYCO., LIMITEDDONGGUANYIHUI OPTOELECTRONICS TECHNOLOGYCO., LTD
Address: No.7 Xiyi Street, South of Xingfa Road, Wusha Liwu No.6 District, Chang'an Town, Dongguan , Guangdong, China
TEL: 0769-33360095 FAX: 0769-81882595 http://www.yihuiprecision.com E-mail: [email protected]
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Developing a High-Speed, High-Accuracy Measuring
System for Automotive Inspect ion
YIHUI was challenged to develop a real-time application to monitor a system with more than 600 parts-per-minuteand more than 15 different measures (including height, diameter, thread control, top view with screw head cracksquality control) with very tight timing in an environment that is full of iron powder.
The Solution
The team created a custom solution based on four industrial cameras, and using INSPEC to develop the software.
We started this project by upgrading a standard machine based on a reconfigurable vision system. We noticed thereconfigurable system's limitations quickly, so we decided to migrate to a fully programmable platform that couldcreate a tailor-made solution based on customer requirements. The high-performance smart cameras are agood solution for this application because they include high-quality CCD combined with a powerful processor.Everything is well integrated in an IP67 mechanical design with waterproof cabling and optical protection.
YIHUI PRECISION (HK) INDUSTRYCO., LIMITEDDONGGUANYIHUI OPTOELECTRONICS TECHNOLOGYCO., LTD
Address: No.7 Xiyi Street, South of Xingfa Road, Wusha Liwu No.6 District, Chang'an Town, Dongguan , Guangdong, China
TEL: 0769-33360095 FAX: 0769-81882595 http://www.yihuiprecision.com E-mail: [email protected]
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The dust in the air posed one big problem because iron powder is present in a high concentration. We solved thisproblem by integrating all IP67 components. We based all the vision algorithms on the Vision DevelopmentModule and tested them in a high volume of parts before the final release. A key feature is the chance tocustomize each vision functionality to guarantee the best performance and avoid false-reject. With high-volumeproduction, a sufficient low percentage of fail-rejection can cause high costs for waste parts. The machine has thesame footprint as the previous one, but guarantees about double the production rate. All these circumstanceshave helped a single project to become repetitive with good economic returns for both the machine manufacturerand the customer.
With a goal of user-friendly software, we focused a lot of attention on the GUI. All is designed to allow operatorsto quickly configure a new product with measures and Pass Fail conditions. The system works like a database tostore different production configurations labeled with the part numbers. Users can configure the interface withthe touch panel, no keyboard or mouse are required.
YIHUI PRECISION (HK) INDUSTRYCO., LIMITEDDONGGUANYIHUI OPTOELECTRONICS TECHNOLOGYCO., LTD
Address: No.7 Xiyi Street, South of Xingfa Road, Wusha Liwu No.6 District, Chang'an Town, Dongguan , Guangdong, China
TEL: 0769-33360095 FAX: 0769-81882595 http://www.yihuiprecision.com E-mail: [email protected]
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The operator can manage the camera's configuration from the same GUI. The operator can configure the machineparameter, view alarms and fault conditions, and configure the camera's acquisition and all the camera'smeasuring algorithms. The operator has only one interface and from this LabVIEW platform he can manage all themachine's configurations.
RESULTS
The result is an easy-to-use system with a small footprint. The system is based on a rotating table, four SmartCameras, an Eddy current sensor (with other mechanical test options) and one panel PC for the GUI based onWindows (for non-time critical issues).
Sonny Leung
YIHUI OPTOELECTRONICS [email protected]
Whatsapp: +8613106740699Skype: sonny.leung9
