Abstract
A new ring spinning concept is described, termed "disc-ring spinning," which enables woolen yams to be produced directly from a carded sliver feed. Experiments are un dertaken on a single spindle machine in order to elucidate the importance of the various design variables of the spinning system to the stability of the process and the properties of 100% wool yams. High speed photography is used to study the changes in the configuration of fibers during the spinning process, which will determine the structural characteristics of a woolen yam. The results of the work show that disc-ring spinning offers the opportunity for carpet yam manufacturers to dispense with a con denser at the woolen card, with the benefit of a more cost-effective production process.
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