Page 68 - TEXtalks International July/August 2022

68

Erhardt+Leimer presented new

metal detector at Techtextil

German Review At the fair, the Erhardt+Leimer Group, specializing in indicates the position of the metal particle in the web.

The metal detector MD 1005 protects textile machines against damage due to pieces of metal, e.g. broken
needles, in the web

automation and inspection technology presented
The metal detector can be used for dry and damp
systems for web guiding and spreading, web tension
assured at production speeds from 2 to 500 m/min.
measurement and control, as well as cutting units for
technical textiles. In addition to these devices, which
The sensor acquires cross-seams as reliably as the
have proven themselves thousands of times web textiles and non-woven fabrics. Its function is
worldwide for the simple, robust, and reliable human eye
automation of production processes in the textile The seam sensor marketed with the identifier SI 1001
industry, E+L exhibited a new metal detector at the detects, optically and therefore without contact, any
trade fair – a further development of earlier systems, type of seam on printed or single-color fabrics. New
which can now detect even smaller metal particles in software algorithms make it possible for the first time
the fabric. In addition, a new seam sensor for the to acquire cross-seams at the level of human
detection of cross-seams was presented. perception. Along with a light transmitter and a matrix
camera with a lens, the sensor also includes a WLAN
Metal detector with segment-by-segment evaluation card for reliable communication with a smartphone,
During the production of textiles, small metal tablet, or any other mobile terminal device. A
particles find their way into the web due to the dedicated app is also available using which, for
various processing steps. If these particles are not all
detected, extremely costly damage may occur to the instance, special seams can be tested offline. If a
downstream machine parts, e.g. calendar rollers. As cross-seam is detected, a digital output in the sensor
a result, whole web sections are often converted into is switched so that, depending on the machine, for
scrap. The metal detector ELMETA MDA 1005 / 1006 example, the calender rollers can be opened or the
reliably and accurately detects the smallest metal seam left to run through the digital printing press
particles over the entire width of the web. Per without printing. The seam sensor can also be used
segment (300 mm) a signal LED on the sensor to calculate the running meters per batch.

July/August 2022