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Vortex spun yarn vs. air-jet spun yarn

Basal G., Oxenham W.

Autex Research Journal

2003

Vol. 3, no. 3

96--101

Vortex spinning can be viewed as a refinement of jet spinning, or a natural development in fasciated yarn technology. As in all other fasciated yarns, the structure of vortex yarn consists of a core of parallel fibres held together by wrapper fibres. This has been revealed by examining an untwisted vortex yarn sample under the Scanning Electron Microscope. Subsequently, the physical properties of vortex and air-jet yarns produced from different polyester cotton blends were compared. Results indicated that vortex yarns have tenacity advantages over air jet yarns, particularly at high cotton contents.

The effect of NAFTA on the US spinning industry

Parrish E. D., Oxenham W.

Autex Research Journal

2003

Vol. 3, no. 3

148--152

The purpose of the research presented in this paper has been to examine the effects of NAFTA on the US short staple spinning industry. Yarn, particularly cotton, plays a critical role in the apparel supply chain, and therefore the factors that affect yarn, in turn, also affect apparel. Since the inception of NAFTA in 1994, many changes have taken place in the US short staple spinning industry, as well as the entire textile and apparel industry. However, this paper will examine current trends, which have resulted primarily from NAFTA, but also the Asian financial crisis. Specific focus will be given to yarn production levels, price, imports, exports and labor.

A new electro-mechanical method for measuring yarn thickness

Mahmoudi M. R., Oxenham W.

Autex Research Journal

2002

Vol. 2, no. 1

28--37

Measuring the thickness of a wire using a micrometer is simple, but textile workers cannot use the same technique. The current report describes a possible method of measuring yarn thickness under lateral force using a range of loads. The effect of twist on thickness and compressibility of yarns is studied.