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11th June 2019, Bolton

Bindatex delivers 50 tonnes of multiaxials to partner of 10 years

Bindatex’s slit multiaxial tapes have been used throughout the aerospace, marine and automotive industries. © Bindatex

Bindatex’s slit multiaxial tapes have been used throughout the aerospace, marine and automotive industries. © Bindatex

Bindatex, the UK’s leading provider of composite precision slitting services, is celebrating 10 years of partnership and delivering 50 tonnes of multiaxial fabrics to a global composites reinforcement manufacturer.

Multiaxial, stitched non-crimp fabrics (NCF) are constructed from numerous layers of carbon or glass fibres and these are held in place with a polyester thread. The fibres can be in a variety of orientations, for example +45/90/-45 degrees. One of the advantages of using multiaxial composites over woven materials is that they can increase efficiency in the lamination process as multiple layers of thicker fabrics can be laid up more quickly.

The use of multiaxial reinforcements in composite manufacturing is growing and this has been driven by the ability to slit these fabrics into a variety of tape widths. However, the construction of this type of material presents many challenges during the slitting process. It is vital to ensure a clean cut and accurate slit edge without compromising the fibre orientation and the handling characteristics of the materials. The tapes can be slit as narrow as 35mm and multiple widths can be achieved from each roll. The advantage of mixing the slitting pattern within a single roll helps to ensure maximum utilisation from the material thus reducing waste.

Bindatex’s multiaxial tapes

Bindatex’s slit multiaxial tapes have been used throughout the aerospace, marine and automotive industries, ranging from the manufacture of high-performance components to carbon fibre wheels. “We are well ahead of the game slitting difficult to cut materials and in delivering spliced tapes to very high precision. It’s fantastic to be working with this global manufacturer in the production of carbon fibre for a variety of applications,” commented Chris Lever, Bindatex Managing Director.

As well as being an expert in the slitting of multiaxial carbon fibre and glass products, the company has been at the forefront of precision narrow width slitting of unidirectional (UD) composite tapes for innovative aerospace applications. It has also successfully developed the capability to produce lay-ready thermoplastic splices in UD tapes that are manufactured with PEEK, PAEK and PEKK polymers.

This development in proprietary technology will enable Bindatex to deliver defined spool lengths which can help to increase its customers’ productivity on automated fibre placement (AFP) and automated tape laying (ATL) equipment, the company reports.

Experience

Bindatex has vast experience in cutting composite carbon and glass fibre prepreg materials in diverse formats including unidirectional (UD) tapes and traverse wound spools; thermoplastic and thermoset carbon fibre prepreg; woven fabrics; multiaxial fabrics and nonwoven materials.

Since moving into larger premises in 2018, Bindatex has doubled its capacity. The company’s modern manufacturing facility comprises state-of-the-art slitting machines capable of handling everything from narrow width precision slitting for automated fibre placement to automated tape laying; flake/chopped fibre production, micrometer slitting/kiss cutting; traverse wound spooling, as well as die and sheet/panel cutting.

www.bindatex.com

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