Study the Influence of Technological Parameters to the Twist of Yarn after the Winding Process

Abstract

This paper presents the research results on influence of some technological parameters during the winding
process: the winding speed Z1, the compressing force of the yarn tension Z2 and the distance from the top of
the bobbin to the guide eye of balloon controller Z3 to the twist of yarn after the winding process. By using the
orthogonal planning experiments with the support of the software NEMRODW 2007, the influence of three
selected parameters of technology was determined to the twist of yarn after the winding process. The
experimental regression function shows the relationship between the twist of yarn after the winding process
and the three selected technological parameters are established for 100% cotton, Nm 34. This research
results are the base for selection of the technological parameters to achieve the required twist (change of the
twist) of the yarn after winding process. To achieve the twist of yarn increased by 7% compared to the twist
before winding, the winding machine has the highest productivity, the technological parameters to be
selected are: Z1 = 800m/min, Z2 = 30cN and Z3 = 14cm.