The latest technology in the field of textile testing is displayed in hall UL, at booth no. C112.

Here, the Textechno group member Lenzing Instruments attracts visitors with quality- and process control systems for filament yarn, staple fiber, nonwoven- and woven textiles.

Lenzing Instruments produces and develops instrumentation for a large number of applications, ranging from laboratory equipment to at-line units for use directly in the production and sophisticated online control sensor- and camera systems.
As a pioneer within the area of online sensor technology, Lenzing Instruments is an acknowledged partner for industry 4.0 solutions offering real time defect control and continuous monitoring of vital material characteristics.

The following two new systems for online control will be exhibited:

NOS 300: Unique online process control of the fiber orientation of nonwoven webs offers the exhibited Nonwovens Orientation System NOS 300. The illuminated web is scanned by a high resolution camera and the evaluation of the resulting images gives feedback about the MD:CD ratio, meaning the ratio of fibers in the Machine vs. Cross direction of the web. Out of the MD:CD ratio, correlations can be drawn to the strength of the web, therewith enabling an online, non-destructive monitoring of the nonwoven strength. NOS 300 is also available as offline system.

CIS 300: Optimized real-time and continuous crimp control of staple fiber is guaranteed by the new generation of Lenzing Instruments Crimp Inspection System, CIS 300. State-of-the-art image processing technology enables monitoring of a huge amount of single fibers for the crimp distribution along and across the moving fiber tow. Results can be traced back to specific bale ID’s and are given as average crimp count (counts/cm), long crimp, micro crimp and crimp distribution. The new intuitive and flexible software, higher image frequency and the enhanced possibilities for monitoring fibers of a wider colour range characterize the new CIS 300.

With Lenzing Instruments newcomer ELKOMETER 200, the successor of Textechno’s Elkometer III, quality verification is made easy by means of high-volume, precise and fast defect detection on the running yarn. The at-line system combines parallel mounted optical PROMPT OLO sensors with a powerful yarn take-off unit for efficient monitoring of produced defects. According to customer requirements, ELKOMETER 200 is tailored with up to eight or even more sensor- and yarn positions side by side. Optionally, one of the positions can be equipped with the DEFECT VIEW camera system for in-depth analysis of detected anomalies. A high-capacity data collection system and the PROMPT Visualize software provides extensive graphical and numerical results presentation both in real time as well as in form of statistical reports.

For characterization of staple fiber properties, Lenzing Instruments is known as a reliable supplier of automated high precision testing equipment. Visitors will be able to experience the new launch BT 100, a bulk tester, which tests compressibility, filling power and recovery properties of filling materials such as bulky staple fibers and bulky filament yarns.

The automated test procedure for repetitive compressing and decompressing of the material enables testing of a high number of single fibers during one and the same test run.

As for nonwovens testing, Lenzing Instruments is the originator of standard setting quality control instruments such as LISTER AC (liquid strike-through time) and WETBACK (rewet properties). To be presented at the ITMA is the newcomer RUNOFF: The instrument offers controlled and standardized measurement of the run-off liquid collected from a coverstock specimen being exposed to a certain amount of liquid on an inclined table.

Additionally to the new launches, trade visitors will have the opportunity to discover a selection of Lenzing Instruments internationally already renowned quality control equipment:

The PROMPT online sensors and camera systems for real time monitoring of filament yarn offer detection of yarn diameter variations, interlace, twist, tension, spin finish, colour as well as all kinds of yarn defects such as broken filaments and fluff. The applied sensor technology allows for precise distinction between broken filaments and fluff for advanced defect analysis. Combined sensor and camera systems offer thorough image analysis of detected yarn defects. All systems feature state of the art communications technology with immediate access to measurement results.

At-line, immediately after production, the stand-alone instruments RAPID 600 V and DTI 600 offer monitoring of interlace properties and draw tension on the running yarn:
RAPID 600 V yields information about number of interlace, node distance, tenacity and the absolute maximum distance between detected interlace nodes.

DTI 600 measures the draw tension produced in the running yarn, which is heated to a certain temperature and drawn to a certain percentage.

The fully automated measurement technology allows for high-volume measurements. An even higher automatization degree is achieved in combination with the sequential end sampling system SESS.

TST 2 is part of Lenzing Instruments’ offer of equipment for thermal shrinkage testing of filament yarn, tapes and plastic film. TST 2 tests up to two samples simultaneously for percent shrinkage and/or shrinkage force. The shrinkage behaviour is either observed at a constant temperature over a certain period of time or during a temperature slope. The flexible software program also offers an option of customized testing sequences to be created.

Standardized testing of titer and tensile properties of staple fiber is offered by the combination Vibroskop 500 and Vibrodyn 500. Their flexible design together with the versatile software program make the instruments suitable for various applications such as production quality control, income control and product research. Vibroskop 500 determines the titer (dtex, den) of any kind of staple fiber by means of the standardized Vibroscope method. Vibrodyn 500 analyses staple fiber for tenacity (cN/dtex, g/den) and elongation (%), either in dry or wet condition. Options of cycle test and NDR are offered in the software. Both instruments comply with international standards such as EN ISO, ASTM, DIN etc.

The latest generation of Lenzing Instruments’ spin finish tester, ALFA 500, offers automatic, time saving and environmentally friendly spin finish analysis of filament and staple fiber. By means of a rotating conveyor belt, hot deionized water as a dissolvent and a carbon analyzer, the carbon content of up to 28 samples is determined.
Based on the carbon content, the correlating spin finish content in % OPU (Oil Pick Up) or % FOY (Finish On Yarn) is calculated. The testing of each sample takes only 3 minutes, which means immense time savings in comparison with other methods. Further, the absence of chemical dissolvents means no costs for purchasing and disposal thereof and therewith reduced expenses. These are user benefits, which together with further advantages such as the operator independent measurement procedure and the resulting staff savings together with the quick feedback to deviations from target values, make ALFA 500 the ideal tool for accurate and high-volume spin finish analysis.

Lenzing Instruments extensive product range offers even more solutions for optimum quality control. Please visit www.lenzing-instruments.com for more information!