Prediction of needle heating in an industrial sewing machine

Mazari, Adnan; Bal, Kausik; Havelka, Antonín

doi:10.1177/0040517515586160

Cited by 9 publications

(9 citation statements)

References 16 publications

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“…al. [4] confirmed that the friction between the needle and sewing thread is one of the major sources of To cite this article: Kovalova N, Kulhyvy P, Vosahlo J, Havelka A. 2019.…”

Section: Introductionmentioning

confidence: 89%

Experimental and Numerical Study of Sewing Seams of Automobile Seat Covers Under Unidirectional and Multiaxial Loading

Kovalova

2019

Tekstil Ve Konfeksiyon

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In industrial textiles, knowing the exact characteristics and behaviour of materials is important. For car seats, industrial textiles not just cover the underlying foam but also increase rigidity of the seat cushion and influence viscoelastic behaviours of foams. Moreover, strength of sewn seams is one of the main quality parameters. Herein, four polyester and polyamide threads were sewn on a material used for car seat covers through lockstitch sewing. Combinations of these materials were studied using static tests in the unidirectional and multiaxial variants. The experimental measurements recorded using a high-speed camera and computer tomography were used to create CAD models. Numerical simulations were conducted using these models and the obtained material models. These model studies help predict and describe the stresses emerging within various types of textile and the threads in their connections. The simulation results agree well with the experimental results.

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“…al. [4] confirmed that the friction between the needle and sewing thread is one of the major sources of To cite this article: Kovalova N, Kulhyvy P, Vosahlo J, Havelka A. 2019.…”

Section: Introductionmentioning

confidence: 89%

Experimental and Numerical Study of Sewing Seams of Automobile Seat Covers Under Unidirectional and Multiaxial Loading

Kovalova

2019

Tekstil Ve Konfeksiyon

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“…Some researchers have reservations on this subject, and believe that the fabric is a source of cooling, rather than heating, whereas the other group consider it a heat source, due to the penetration and friction with the needle. Researchers from both schools of thought [12][13][14][15][16][17] have published numerous articles on this issue.…”

Section: Basic Thermal Mechanism Of Needle Heatingmentioning

confidence: 99%

Effect of Needle Heating on the Sewing of Medical Textiles

Adnan

2021

Polymers

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Medical textiles, such as gowns, scrubs, and even disposable uniforms, are all stitched by sewing machines. These garments are mostly made from polypropylene (PP) and polyester due to their durability, antibacterial performance, and functionality. Demand for these garments has significantly risen in the last few years, and sewing machines are able to stitch at extremely high speeds. However, higher sewing speeds can cause burnt spots on the fabric, lower seam strength, and a decrease in production due to thread breakage. In this paper, I have deeply discussed how medical textiles lose their strength and functionality due to higher sewing speeds; this problem is often neglected due to high production demands. This research is based on PP medical gowns, stitched with polyester (PET) threads, sewn at different speeds. The experimental work is also followed by a theoretical explanation of needle heating during the stitching of medical textiles.

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“…According to literature there are various studies evaluating the problem of needle heating. Experimental techniques such as usage of thermocouple (touch, inserted method), IR pyrometers, temperature sensitive materials like waxes are commonly used for measuring the needle temperature [6,7,14].…”

Section: Introductionmentioning

confidence: 99%

Analysing The Effects of Knitted Fabrics Physical Properties to The Heating of Sewing Machine Needles

Akçagün

Yılmaz

Kayar

2023

Çukurova Üniversitesi Mühendislik Fakültesi Dergisi

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Due to the increasing demand in the clothing industry, industrial sewing machines operate at high speeds ranging from 2000 to 3000 revolutions per minute. One of the most significant problems that adversely affect the stitching quality and efficiency is the needle temperature, which reaches up to 300 oC and is influenced by various parameters such as machine speed, thread tension, and fabric properties. In this study, the heat generated from the friction between the needle and the textile surface in knitted fabrics and the fabric properties affecting heat are examined. Four different knitting techniques and twelve different knitted fabrics with varying weights, thicknesses, and blend properties were used. An Optris CT3M pyrometer was employed to measure the temperature on the needle. The results can be summarized as follows: in all knitted fabrics, an increase in fabric weight and thickness was observed to correspond to an increase in needle temperature values. The highest needle temperature values above 90 oC were obtained in TF2-coded three-thread fleece fabric with a fabric thickness of 1.31 mm and a fabric weight of 340 g/m2, while the lowest needle temperatures of 66 oC and below were achieved in the lightest and thinnest fabric with a fabric weight of 100 g/m2 and a thickness of 0.39 mm. Additionally, no significant relationship was found between fabric stitching density and needle temperature.

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Prediction of needle heating in an industrial sewing machine

Cited by 9 publications

References 16 publications

Experimental and Numerical Study of Sewing Seams of Automobile Seat Covers Under Unidirectional and Multiaxial Loading

Experimental and Numerical Study of Sewing Seams of Automobile Seat Covers Under Unidirectional and Multiaxial Loading

Effect of Needle Heating on the Sewing of Medical Textiles

Analysing The Effects of Knitted Fabrics Physical Properties to The Heating of Sewing Machine Needles

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