Beschichtete und unbeschichtete Textilien

Basis-weight measurement

To meet market-driven quality requirements for (coated) textiles, manufacturers perform basis-weight measurement. The M-Ray technology of Hammer-IMS is available as part of Marveloc 602 single-sensor products or integrated into Marveloc-CURTAIN or Marveloc 602-CUBE turnkey systems.

The Marveloc-CURTAIN solution measures material up to 30 centimeters thick, and uses one or more fixed or traveling sensors for maximum coverage in cross-machine direction. The Marveloc 602-CUBE is a compact solution for fixed-point inline measurement of a range of materials including fabrics. The basis-weight measuring solution verifies material grammage (up to 1 gsm) uniformity to detect local anomalous regions with out-of-spec densities. The solutions of Hammer-IMS are fit to measure a wide range of (coated) fabrics used for applications in transportation, protective clothing, industrial roofing, awnings and canopies, furniture and seating, etc.

Converting fibre into yarn, yarn into fabric

Textile manufacturing is a major industry. As textiles are often coated it makes sense to consult the global coated fabrics market. According to Markets and Markets, the global coated fabrics market is looking forward to an annual growth rate of more than 4%.

Textile manufacturing converts fibre into yarn, and yarn into fabric. These are then dyed or printed, fabricated into clothes. Different types of fibre are used to produce yarn. Cotton remains the most important natural fibre, followed by flax, jute, hemp as well as bast and leaf fibres. Also protein fibres (wool, silk) and synthetic fibres are widely applied. There are many variable processes available at the spinning and fabric-forming stages coupled with the complexities of the finishing and colouration processes to the production of a wide ranges of products.

Weaved and knitted fabric manufacture

The weaving process uses a loom. The lengthway threads are known as the warp, and the crossway threads are known as the weft. The warp is presented to the loom on a warp beam. The weft passes across the loom in a shuttle, that carries the yarn on a pirn.

Knitting by machine is done in two different ways: warp and weft. Weft knitting is similar in method to hand knitting with stitches all connected to each other horizontally. In a warp knit there are many pieces of yarn and there are vertical chains, zigzagged together by crossing the cotton yarn.

Textiles are often coated to obtain composites, consisting of a flexible substrate and a polymeric coating. The coating may be on one side, or on both sides with the same or a different polymeric coating per side.

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