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The conventional measurements of yarn hairiness are not its true representation. Based on extensive studies, Premier has introduced a new parameter - Hair Severity (HS). HS represents the disturbing hairs. The Hair Severity can be tested at 400 m/min in the Premier iQ Qualicenter- the worlds most intelligent evenness tester and process control equipment. The HS Statistics 2007 provides a useful tool for the mills to benchmark the HS levels achieved over different count and material.
Introduction
Hairiness denotes the extent to which fibres protrude from the yarn body. Hairiness is an important surface property which has a direct impact on the performance of the yarn in the subsequent processes. It also has a bearing on the feel and appearance of the fabric. Certain minimum amount of hairiness is desirable for converting the yarn into fabric. However, when the length of the protruding hair crosses a critical limit, it poses severe constraints during fabric formation in Weaving and Knitting. The fabric quality also gets degraded due to Pilling and Fuzzy appearance created by the longer hairs.
Hairiness is a highly variable parameter which is influenced by various factors like Raw material quality, Process parameters in Spinning preparatory, Ring frame and also at Winding. Controlling longer length hairs is of primary importance for a yarn to perform better in subsequent processes. Increased production rates and Compact Spinning technology necessitates precise measurement of yarn hairiness deviation.
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Introduction
Hairiness denotes the extent to which fibres protrude from the yarn body. Hairiness is an important surface property which has a direct impact on the performance of the yarn in the subsequent processes. It also has a bearing on the feel and appearance of the fabric. Certain minimum amount of hairiness is desirable for converting the yarn into fabric. However, when the length of the protruding hair crosses a critical limit, it poses severe constraints during fabric formation in Weaving and Knitting. The fabric quality also gets degraded due to Pilling and Fuzzy appearance created by the longer hairs.
Hairiness is a highly variable parameter which is influenced by various factors like Raw material quality, Process parameters in Spinning preparatory, Ring frame and also at Winding. Controlling longer length hairs is of primary importance for a yarn to perform better in subsequent processes. Increased production rates and Compact Spinning technology necessitates precise measurement of yarn hairiness deviation.
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Posted in: conventional machinery,hair severity,hairness parameter,textile machinery
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