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1 2003

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Numerical investigations for cutting of wires and threads

Ulbricht V., Franeck J., Schirmacher F., Offermann P.

Autex Research Journal

2003

Vol. 3, no. 1

9--15

Strengthening threads or strings are incorporated in technical textiles for example to protect against vandalism. Among other things, the resistance to mechanical destruction (e.g. cut) depends on the material, the cross-section of the strengthening threads and the support points in the base fabric. An essential criterion for durability is the maximum size of the cutting force, which increases with the decrease in the span. In preceding investigations with spring steel wire, it was shown that an optimum apparently exists for this span. The purpose of the investigations was the development of methods for ascertaining the maximum cutter strengths on the basis of standardised experiments (tensile test) and the proof of the existence of a span optimum. The investigations will be focused on monofilament wire.