IDS’ industrial cameras integrate with Schuler’s Visual Die Protection solution to offer intelligent tool protection

21 Oct 2021

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Boosting efficiency through digitalisation, almost no branch of industry can evade it. Also operators of press shops are increasingly networking their production. But, regardless of whether it’s a single press or press lines, it’s not always necessary to replace the entire plant, in order to stay up to date.

Retrofitting existing lines, true to the principle of ‘sensible evolution instead of cost-intensive revolution’, is often the order of the day. With Visual Die Protection, Schuler Pressen GmbH (Schuler Group) offers a solution for avoiding expensive die damage and its consequential costs, in stamping and forming technology, retrofittable for existing lines.

Visual Die Protection

Equipped with industrial cameras from IDS Imaging Development Systems GmbH and intelligent software, the production process can be monitored as required. The principle of the system is simple: Visual Die Protection (VDP) detects possible causes of die damage in the press shop, at an early stage and stops the line in fractions of a second, before damage and downtime occurs.

Different monitoring functions can be set up for the various areas in the press installation space. This way, a wide range of error sources can be covered, in order to prevent unforeseen incidents. The probability of failure is reduced and the safe operation of the systems is ensured.

Range of control functions

The control functions range from checking the component position to foreign object detection and in-process inspections

The control functions range from checking the component position to foreign object detection and in-process inspections, to the targeted monitoring of individual tool functions. For example, if a foreign object, such as a scrap of sheet metal from the previous press pass is detected in the die, the press stops automatically, so that the foreign object cannot push into the die surfaces or cause damage.

For this purpose, 2 to 4 cameras per system monitor the tool room of the press or, if desired, other area of the plant, such as the scrap chutes. At each stroke, the current process is compared with the target state. If the process deviates significantly from the norm, for example, due to foreign object in the tool, the system is stopped, along with damage and its consequential costs prevented.

Image and analysis data for traceability

In addition, all image and analysis data are available to the customer for complete traceability. For continuous improvement processes, the system simultaneously links image and process data, and optimises its settings, with the help of intelligent data analyses. It only intervenes in the production process, when there is a critical deviation.

Visual Die Protection, thereby, ensures greater process reliability of production plants, prevents tool damage, increases plant availability and secures the user’s ability to deliver. Especially in just-in-time supply chains, this is a decisive competitive advantage.

Camera-based tool protection

The system can be used for a wide range of monitoring tasks, even outside the actual pressing plant. Thanks to the easy retrofitting of existing systems and the wide range of applications, the monitoring functions can be set up in just a few minutes.

Accordingly, customers benefit immediately from camera-based tool protection. That also applies to non-Schuler systems. With the help of product data handling, even monitoring of already set-up tools can be loaded and monitored from the first press stroke.

IDS industrial cameras

The image data, on which the Schuler system is based, is supplied by uEye CP industrial cameras from IDS

The image data, on which the Schuler system is based, is supplied by uEye CP industrial cameras from IDS Imaging Development Systems GmbH. The CP in the industrial cameras stands for ‘Compact Power’ and symbolises compact, visual power packs for industrial applications of all kinds. They offer maximum functionality, with extensive pixel pre-processing and are perfect for multi-camera systems, thanks to the internal 120 MB image memory space provided, for buffering image sequences.

The GigE cameras, with a size of only 29 x 29 x 29 millimetres, score particularly well, in terms of light sensitivity, dynamic range and colour reproduction. This makes these cameras pre-destined for applications that need to deliver a perfect result, even in low light conditions, such as in quality assurance or industrial automation applications.

Integration with IDS Camera Manager

“The quality of the image data convinced us. Even under rather unfavourable lighting conditions in press shops, the camera provides perfect source material for our inspection systems,” explains Christoph Pölzl, the Project Manager in the Digital Solutions division, at Schuler Pressen GmbH (Schuler Group).

For integration, the company used the IDS Camera Manager, a central and convenient tool for managing all uEye industrial cameras. Visual Die Protection has been on the market since 2019 and has since established itself in stamping and forming technology, as a reliable visual protective tool. With Artificial Intelligence (AI) and industrial cameras, it provides a clear view in the press shop.

Diagnostic tools for linking image and process data

“For the future, we expect a continuously growing market,” predicts Christoph Pölzl. In addition to process and tool monitoring, further applications in the area of in-process quality monitoring are added.

In addition, the diagnostic tools for linking image and process data are also constantly being expanded. So the evolution continues and perhaps in the end, it will lead to a small revolution.

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Christoph Pölzl Schuler Pressen GmbH (Schuler Group)

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