The effect of weaving machine setting on fabric skewness

Abstract

The effect of air-jet loom settings, such as initial warp tension, back rest position, shed closing time and shed height, on fabric skewness has been investigated. Skewness was related with loom setting parameters during commercial weaving machine trials. Adjustment of loom settings was carried out at different levels without changing the properties of warp and weft yarns and fabric construction. It has been found that initial warp tension and shed height are the most significant factors affecting on fabric skewness. Skewness is decreased with an increase of the initial warp tension, especially when the shed height is 26°, but this effect is non-linear; when adjusting the shed height from 22° to 26°, fabric skewness is increased. Adjustment of the shed closing time from normal to late decreased fabric skewness, whilst raising the backrest roller over zero position did not have a significant effect on fabric skewness.