Author:Taylor, H; Van der Merwe, JP; Veldsman, DPDate:Apr 1978In this report the authors comment on rotor spinning directly from card sliver and on the beneficial effect on yarn properties of one drawframe passage prior to spinning.Read more
Author:Van der Merwe, JP; Veldsman, DPDate:Feb 1978In this article the authors pay particular attention to the effect of introducing grooves (or flutes) in the doffing tube navel and to the positioning of the doffing tube in respect of the rotor base using a Schubert and Saler RU-11 rotor machine.Read more
Author:Hunter, IM; Weideman, E; Wevers, HW; Veldsman, DPDate:Mar 1971The decision to convert SAWTRI to a National institute is an expression of confidence in the future of the research. The bulletin also contains the following: 1. A study of the variation in doubling twist of wool worsted hosiery yarns. 2. The ...Read more
Author:Veldsman, DPDate:1968SAWTRI hopes that, through this resume, and through its complete list of publications where more detail is required, a contribution is being made to the knowledge of one of nature' most powerful wonderful fibres.Read more
Author:Taylor, H; Veldsman, DPDate:May 1978A study was made of the effects of various machine parameters as well as lubrication on the spinnabilty of all-wool and a 75/25 wool/cotton blend on the schubert and Salzer RU-11 rotor spinning machine.Read more