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Booster成功为德资企业开发自动化移印视觉检查设备 ---- Automation of pad printing and automatic optical inspection

时间:2020/10/12来源:

At MCCN, the printing of plastic housings and components is performed using pad printing process. A total of six systems are available here, from single-colour printing to six-colour printing. Loading, removal and visual inspection are carried out by the system operator. For most people, China still remains the „workbench of the world“, known for its cheap manual labour. In the meantime, however, many high-tech products are now manufactured in China 100 %. It is no longer cheap labour that is behind this, but highly automated production. China already plays a pioneering role in electric mobility and the associated battery technology. China as the „workbench of the world“ – that was yesterday. With its „Made in China 2025“ strategy, the People‘s Republic of China aims to catch up with the leading industrial nations and, in 2049, on its 100th birthday, is planning to become the leading „industrial superpower“.

More and more companies in China are establishing themselves as suppliers of automation solutions, especially since these are also partly subsidised by local governments through tax breaks and financial grants. In coordination with the technical department in Blumberg, a pilot project for the automation of pad printing was also started at MCCN. Not only the feeding and removal of the parts should be implemented, as it is already done in Blumberg, but also the automatic optical inspection. A company Booster was found in the immediate vicinity of MCCN as a supplier who has extensive experience in image recognition. Another important criterion for this project was that components used for image recognition are also available in Germany, so that the experience gained can also be implemented in Blumberg, if required. Extensive series of tests were carried out in advance to determine whether possible error patterns could be reliably detected and whether so-called pseudo errors could be largely excluded. After successful tests and coordination of the specification, the order was placed with Booster.  

 In the meantime, the entire plant has been delivered to MCCN and is now in the commissioning phase on site. In contrast to the tested samples, the parts are visually inspected in the machine immediately after printing. However, the printed ink shows a different reflection behaviour when not yet 100% dried. This means that the parameters determined in the tests must be checked or, if necessary, a drying station must be installed. At MCCN, due to the current limitations caused by the coronavirus, production has been prioritised and the automation project has been somewhat delayed. The aim is to launch the plant into production at the end of May. The automation of pad printing is already the third automation project implemented between MCCN and local suppliers.

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