{"title":"纱线加捻形式第二部分:实验研究","authors":"J. Hearle, O. N. Bose","doi":"10.1080/19447026608662372","DOIUrl":null,"url":null,"abstract":"Actual and model yams were examined in attempts to observe differences between cylindrical twisting and ribbon-twisting. The model yarn assemblies consisted of elastic threads arranged in various configurations and twisted either in static lengths or in continuous feeding: the position of each thread could be followed. Actual yarns were examined in three ways: as cross-sections, which often showed asymmetry attributed to ribbon-twisting; during untwisting, with the yarn surface coated; and after twisting of rovings, spun yarns, and continuous-filament yarns in ways designed to bring about cylindrical twisting and ribbon-twisting. The tendency of fibres from one side of a ribbon to go into the centre of a yarn was demonstrated.","PeriodicalId":17650,"journal":{"name":"Journal of The Textile Institute Transactions","volume":"5 1","pages":""},"PeriodicalIF":0.0000,"publicationDate":"1966-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"12","resultStr":"{\"title\":\"26—THE FORM OF YARN TWISTING PART II: EXPERIMENTAL STUDIES\",\"authors\":\"J. Hearle, O. N. Bose\",\"doi\":\"10.1080/19447026608662372\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Actual and model yams were examined in attempts to observe differences between cylindrical twisting and ribbon-twisting. The model yarn assemblies consisted of elastic threads arranged in various configurations and twisted either in static lengths or in continuous feeding: the position of each thread could be followed. Actual yarns were examined in three ways: as cross-sections, which often showed asymmetry attributed to ribbon-twisting; during untwisting, with the yarn surface coated; and after twisting of rovings, spun yarns, and continuous-filament yarns in ways designed to bring about cylindrical twisting and ribbon-twisting. The tendency of fibres from one side of a ribbon to go into the centre of a yarn was demonstrated.\",\"PeriodicalId\":17650,\"journal\":{\"name\":\"Journal of The Textile Institute Transactions\",\"volume\":\"5 1\",\"pages\":\"\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1966-07-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"12\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Journal of The Textile Institute Transactions\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1080/19447026608662372\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of The Textile Institute Transactions","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1080/19447026608662372","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
26—THE FORM OF YARN TWISTING PART II: EXPERIMENTAL STUDIES
Actual and model yams were examined in attempts to observe differences between cylindrical twisting and ribbon-twisting. The model yarn assemblies consisted of elastic threads arranged in various configurations and twisted either in static lengths or in continuous feeding: the position of each thread could be followed. Actual yarns were examined in three ways: as cross-sections, which often showed asymmetry attributed to ribbon-twisting; during untwisting, with the yarn surface coated; and after twisting of rovings, spun yarns, and continuous-filament yarns in ways designed to bring about cylindrical twisting and ribbon-twisting. The tendency of fibres from one side of a ribbon to go into the centre of a yarn was demonstrated.
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