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Trützschler and Voith introduce new safety standard

Voith Paper and Trützschler Nonwovens have developed a new safety standard for wet-laid spunlaced (WLS) nonwovens machines.

4th May 2017

Innovation in Textiles
 |  Egelsbach


In the shape of standard VN 3260/TN 0790, Voith Paper and Trützschler Nonwovens have developed a new safety standard for wet-laid spunlaced (WLS) nonwovens machines. According to manufacturers, the standard will help producers of nonwovens to ensure safe and reliable operation of their machines.

It is also designed to provide the basic prerequisite for meeting expectations in respect of production and quality:

  • Basis for safe production of nonwovens
  • Combination of proven standards for paper and textile machines
  • Standardisation process by ISO initiated

Manufacturing wet-laid nonwovens

Voith and Trützschler jointly developed the manufacturing process for wet-laid and hydroentangled nonwovens. The machines on which the materials are produced consist partly of paper machine components and partly of components from nonwoven machines.

Structured and perforated wet-laid and spunlaced nonwoven. © Trützschler Nonwovens

The manufacturing process for wet-laid nonwovens is similar to that for producing paper, Trützschler reports. “A suspension consisting of water and fibres up to 40 mm long is passed over a wire on which a homogeneous fibre mat forms. The hydroentangling or spunlacing process produces bonded nonwovens that can be textured if required. Drying and winding of the nonwovens are done on other machine components,” it explains.

The newly developed standard combines various Voith and Trützschler safety standards for paper and textile machines in a new document and thus defines the safety requirements for new hybrid machines. It has already been incorporated by the International Organization for Standardization (ISO) as the basis for developing an international standard, the manufacturer reports.

Trützschler and Voith Paper

Trützschler, a leading textile machinery manufacturer, specialises in machines, installations and accessories for spinning preparation, the nonwovens and man-made fibre industry. The headquarters of the more than 125-year-old company is based in Mönchengladbach, Germany. Its main sites are located in Germany, India, China, Brazil, USA and Switzerland.

Trützschler Nonwovens is part of Trützschler Nonwovens & Man-Made Fibers and was created through the merger of the long-established Fleissner, Erko and Bastian companies. The company provides solutions along the entire nonwovens process chain from bale opening, fibre blending, bonding down to finishing and winding, as well as for man-made filament spinning plants.

Voith Paper is a group division of Voith and is one of the leading partners and pioneers in the paper industry. Through innovations, the company aims to optimise the paper manufacturing process and focus on developing resource-saving products to reduce the use of energy, water and fibres. Furthermore, Voith Paper offers a broad service portfolio for all sections of the paper manufacturing process.

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