A review of the literature and extensive field interviews have been conducted on the subject of needle heating in high-speed sewing. As a result of this investigation, a survey of the current state of the art and knowledge available in the field has been completed and is presented in the following categories: (1) the nature of the problem and the difficulties which arise in commercial operations; (2) quantitative methods of measuring needle temperatures; (3) the influence of machine factors such as sewing speed, length of sewing time, and needle design on the heat generated during sewing; (4) the influence of material factors such as fabric structure and finish, layers of fabric, and sewing thread on needle heating; (5) techniques for alleviating needle heating problems; and (6) the mechanism of generation and dissipation of heat in the sewing process. Some heretofore unpublished data are presented.
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2.
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9.
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11.
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12.
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13.
HowardG. MichaelParsonsDavid, Sewing Needle Temperature. Part I: Theoretical Analysis and Experimental Methods, Textile Res. J. 38, 606–614 (1968).
14.
HowellH. G.MieszkisK. W.TaborD., “Friction in Textiles,”New York, Textile Book Publishers, Inc., 1959.
15.
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16.
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17.
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18.
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19.
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22.
SchmetzF. B.HaaseE. G., Problems of Cool-in the Needle During Sewing of Chemical Fiber Products, Melliand Textilber. 39, 1113–1116 (1958).
23.
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24.
SondhelmW. S., Causes of Seaming Damage: Needle Heating, J. Textile Inst. 44, T580–T585 (1953).
25.
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26.
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27.
van OostP., Sewing Threads in the Clothing Industry, Rayonne Fibres Synth. 13, 289–298 (1957).
28.
VekassyA., Optimum Sewing-Machine Speeds in Relation to Stitch Frequency and Length, Magyar Textiltech. 18, 460–466 (1966).
29.
ZerdikM.KalafaticE., Determination of Yarn and Thread Smoothness. H. Coefficient of Friction as the Criterion of Suitability for Sewing Tekstil. 12, 1033–1040 (1963) (Serbo Croat).
