New inspection technologies for improved production processes Erhardt+Leimer at ITM 2022 in Istanbul Two years later than originally planned, ITM, one of the world's largest trade fairs for textile machines, is taking place again in Istanbul from June 14 to 18. Here the Erhardt+Leimer group will present, along with its proven systems and devices for web automation, two new inspection technologies, a seam sensor and a metal detector, for the detection of cross-seams and pieces of metal in the web. With these devices, production processes can be optimized and made more reliable.
The metal detector MD 1005 protects textile machines against damage due to pieces of metal, e.g. broken needles, in the web
Sensor acquires cross-seams as reliably as the human eye The seam sensor marketed with the identifier SI 1001 detects, optically and therefore without contact, any type of seam on printed or single-color fabrics. New software algorithms make it possible for the first time to acquire 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 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. The seam sensor can also be used to calculate the running meters per batch.
(300 mm) a signal LED on the sensor indicates the position of the metal particle in the web. The metal detector can be used for dry and damp web textiles, nonwoven fabrics and carpets. Its function is assured at production speeds from 2 to 500 m/min.
Metal detector with segment-by-segment evaluation
Web cleaning for various application areas
During the production of textiles, small metal particles find their way into the web due to the various processing steps. If these particles are not all detected, extremely costly damage may occur on the downstream calender rollers and shearing tools. In addition, there is also a risk of catalytic reactions in wet finishing. As a result, whole web sections are often converted into scrap. The metal detector ELMETA MDA 1005 / 1006 reliably and accurately detects the smallest metal particles over the entire width of the web. Per The seam sensor SI 1001 detects a very wide range of seams, even on printed textiles, thanks to special algorithms segment
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. E+L will be present at ITM together with ITEKS and other partners in hall 14 on stand 06B.
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