S.A Sharzehee - Dept. of Textile Engineering, Yazd University, Yazd, Iran
M.P.U Bandara - School of Textiles and Design, The University of Leeds, Leeds, U.K, LS۲ ۹JT

The increase in the operating speed of modern weaving machines has made the weaving process more difficult, as even small errors in machine settings can lead to repeated stoppages and cause cloth faults. To avoid these faults the weaving machines provide numerous setting possibilities so that to achieve optimum operation at the higher weaving speeds. Warp tension is one of the parameters to be carefully controlled on a loom, so as to avoid excessive peak tension values, as well as too low values of it, which would lead to unsatisfactory shedding. A computer simulation of warp yarn tension during weaving is aimed to therefore help in creating objective setting recommendations for weaving machines. To determine the combined effect of a given combination of the factors such as loom, weave and warp ends material on a loom on a routine basis will be time consuming, uneconomic and sometimes impracticable. To avoid these, the loom and forces involved in determining warp tension can be mathematically modelled and the effects of different factors on warp tension may be examined