2012 International Conference on Engineering and Technology (ICET) 2012
DOI: 10.1109/icengtechnol.2012.6396164
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Needle eye temperature measurement at different speeds of sewing

Abstract: In this article two methods are used to measure the temperature of needle eye during the high speed of sewing and the results are compared for calculating the precision in the measurement,Needle heatup is a big issue for apparel industry especially for automobile industry seat covers where a lot of synthetic materials are used which get damaged by needle heat at high speed of sewing machine,in this article thermocamera and thermocouple are used to calculate the precise temperature of needle eye and then 100% p… Show more

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“…Sewing speed is one of the main factors in the needle heating, but other factors also contribute, such as sewing needle design, coating, material sewn, thread tension, thread lubricants and fabric finishing. Due to these factors, the temperature of needle can change from 100 o C~300 o C during the sewing operation depending on the sewing conditions [2][3][4][5].…”
Section: Introductionmentioning
confidence: 99%
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“…Sewing speed is one of the main factors in the needle heating, but other factors also contribute, such as sewing needle design, coating, material sewn, thread tension, thread lubricants and fabric finishing. Due to these factors, the temperature of needle can change from 100 o C~300 o C during the sewing operation depending on the sewing conditions [2][3][4][5].…”
Section: Introductionmentioning
confidence: 99%
“…Sewing damage is particularly critical in knitted fabrics because ruptures in the thread may result in knots being pulled off or even the knitting pattern coming undone entirely. Some sewing errors are not noticeable during the sewing process but become apparent during wear or washing due to stretching and movement [2].…”
Section: Introductionmentioning
confidence: 99%
“…In a recent study on the tensile properties of mercerized cotton threads, around 30% in strength reduction, about 20% loss in both breaking elongation and initial modulus, and 45% loss in breaking energy was reported [10]. Furthermore, a closer estimation of the seam strength was also possible a er considering the loss in thread strength [11,12]. e damage is mostly concentrated at the interlocking portion of the needle thread in the stitch, where maximum tension, bending and thread-thread abrasion take place [5,8].…”
Section: Introductionmentioning
confidence: 99%