Erhardt + Leimer @ ITMA 2023 : Seam sensor at...
Erhardt + Leimer @ ITMA 2023

Seam sensor at the level of human perception

Modular Elclean web cleaning system (Source: Erhardt+Leimer)
Modular Elclean web cleaning system (Source: Erhardt+Leimer)

The specialist for automation systems Erhardt + Leimer GmbH, Stadtbergen/Germany, will be presenting its systems and devices for web guiding, web spreading and tenter infeed, as well as slitting devices for edge trimming and slitting of tubular textiles. In the field of inspection technologies, the company will be presenting a seam sensor for detecting cross seams, a warp thread sensor and a metal detector that can be used to optimize production processes and make them safer. A newly developed web cleaning system will also be presented.
The seam sensor Elseamtex SI 1001 detects optically, and therefore without contact, any type of seam on printed or singlecolor fabrics. Especially when there are large differences in thickness, such as with carpets and towels, no adjustment work is necessary. Software based on artificial intelligence makes it possible for the first time to detect cross-seams at the level of human perception. Along with a light transmitter and a matrix camera with lens, the sensor also includes a WLAN card for reliable communication with a smartphone, tablet or any other mobile terminal device. A dedicated app is also available using which, for instance, special seams can be tested or defined offline. If a cross-seam is detected, a digital output in the sensor is switched so that, depending on the machine, for example the calender rollers can be opened, the shearing blade raised briefly or the seam left to run through the digital printing press without printing.
Elclean is a modular web cleaning system for the removal of dust and similar soiling in production lines where there is only little space. The system consists of components such as brushes and fabric rollers, as well as components that operate without contact such as powerful fans and a highly efficient vacuum system. The system is equipped with all components or only with certain components depending on the application. Suitable filter systems make possible straightforward, reliable disposal of the soiling. The system is available in both a cantilever version for narrow webs and with support on both sides for wide webs. It can be integrated into production lines or operated as a standalone machine.

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