共查询到20条相似文献,搜索用时 78 毫秒
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主要研究了Jc5.3tex×2 80×76 52″巴厘纱中Je5.3tex×2同向强捻股线开发与生产技术,通过原料的选配、设备、工艺选择和技术调整等,解决了并线过程易出现跑单纱现象、同向加捻股线捻度不稳定、纱线强力低及强力不匀、重量偏差难于控制等技术难题。成功纺制出Je5.3tex×2 ZZ同向强捻股线,各项技术指标达到相应技术标准。 相似文献
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Jc5.3tex×2 ZZ强捻股线生产技术探讨 总被引:1,自引:0,他引:1
主要研究了Jc5.3tex×2 80×76 52″巴厘纱中Je5.3tex×2同向强捻股线开发与生产技术,通过原料的选配、设备、工艺选择和技术调整等,解决了并线过程易出现跑单纱现象、同向加捻股线捻度不稳定、纱线强力低及强力不匀、重量偏差难于控制等技术难题。成功纺制出Je5.3tex×2 ZZ同向强捻股线,各项技术指标达到相应技术标准。 相似文献
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为更好地探究柔洁纺技术对粘胶强捻纱质量和其机织物服用性能的影响,对相同工艺参数下粘胶强捻柔洁纺纱线与环锭纺纱线的均匀度、毛羽、单纱强力、捻缩率和表观结构进行测试对比,同时分析了相同规格柔洁纺和环锭纺粘胶强捻纱织物的强伸性、顶破性能、撕破性能、透气透湿性、吸湿性、柔软性和抗起毛起球性能。结果表明:柔洁纺粘胶强捻纱的毛羽少,条干均匀,强力高,捻缩率低;相比环锭纺粘胶强捻纱织物,柔洁纺粘胶强捻纱机织物的强伸性、顶破性能、撕破性能、透气透湿性、柔软性和抗起毛起球性显著提高,但吸湿性有所降低;柔洁纺粘胶强捻纱具有柔顺、整洁、牢固等特点,其机织物的综合服用性能优于环锭纺。 相似文献
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纱长丝纱单丝纱复丝纱单纱股线双股线三股线不同纱的股线短纤纱混纺纱混纺线废纺纱普梳纱精梳纱原纱、本色纱织造用纱经纱纬纱捻线捻丝无捻丝 S捻纱Z捻纱弱捻纱强捻纱络捻纱高支纱中支纱粗支纱yafllf ilament (三)纱线部分yarllmonofilament yarnmultifilament yarn5 ingle yar 相似文献
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探讨棉汉麻假捻赛络集聚混纺纱的性能。对比分析了相同号数的赛络集聚纺单纱、假捻赛络集聚纺单纱和赛络集聚纺股线的成纱质量、成纱结构及其针织物纬斜角度。结果表明:棉汉麻假捻赛络集聚混纺纱在捻度比赛络集聚纺低的情况下,其成纱条干及常发性纱疵、强力和毛羽指数等均有明显改善,虽比股线差,但与标准对照均达到优等水平;通过扫描电子显微镜观察纱线的表面得出,同号数的假捻赛络集聚纺单纱比赛络集聚纺单纱和赛络集聚纺股线更蓬松柔软,染色性能好。认为:假捻赛络集聚纺技术能够纺出满足针织物纬斜质量要求的低捻度纱,可以取代生产股线的工艺。 相似文献
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TDN-120型倍捻机的应用实践 总被引:2,自引:2,他引:0
为在TDN-120型倍捻机上顺利生产C 27.8 tex与水溶丝合股无捻纱等多个品种,对工艺设计进行了优选.通过合理控制锭速、锭子张力、超喂率等工艺参数,保证并纱张力的一致性,降低了捻度不匀率,解决了弱捻与"小辫纱"问题.认为TDN-120型倍捻机适宜于生产7.3 tex×2~83.3 tex×2股线及C 27.8 tex与水溶丝合股无捻纱等多个品种,捻度不匀率控制在2.5%左右,质量达到使用要求. 相似文献
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为探讨影响空心锭包覆纺纱包缠捻度及其分布的因素及影响程度,分析了外包缠纱退绕及芯纱在包缠张力作用下扭转产生的附加捻度,以及影响附加捻度大小和波动的因素;对采用不同芯纱速度、线密度、张力以及粗细不匀芯纱纺制的包覆纱进行了捻度测试与比较分析。结果表明:外包缠纱退绕产生的附加捻度的捻向与包缠捻向相同,而芯纱扭转产生的附加捻度的捻向与包缠捻向相反;随纺纱工艺的不同,二者的共同作用决定了包缠捻度的偏差大小和分布均匀度;包缠捻度具有纱线加捻的类似捻回分布特征,芯纱粗细不匀显著影响短片段捻回分布均匀度,粗节处捻回少,细节处捻回多。 相似文献
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Digital image analysis techniques in the spatial and frequency domains for twist measurement of yarns are described. A spatial technique is developed to extract the twist angle through the analysis of the yarn core image. Then, a Fourier transformation technique is applied to yarn images to measure the orientation of the fibre on the yarn surface. Finally, a hybrid method that incorporates frequency domain filtering prior to spatial analysis is proposed. The trials show that spatial analysis is a fast method and can successfully predict the twist in the yarn. Fourier transformation technique is quite sensitive to the protruding fibres obstructing the yarn surface, which may result in measurements having high variations. For yarns having little amount of hairs protruding from the core, the results agreed reasonably well with actual twist levels. Frequency domain filtering in conjunction with the spatial analysis of the yarn surface is found to be superior in terms of accuracy. The twist values calculated using the more reliable diameter measurements with back-lit images together with twist angles from the front-lit images are found to be more accurate when compared with the actual values. 相似文献
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利用16.2tex的S捻和Z捻棉纱线,通过改变7种平纹织物中经纱和纬纱的配置及纱线S捻和Z捻的配置,研究了捻向和捻度松弛对尺寸稳定性的影响。结果表明经纱Z捻、纬纱S捻配合时,织物的收缩率比其他捻向纱线配合时要小。 相似文献
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The twist angle is an important parameter of the yarn which determines the degree and shape of the filament’s deformation produced along their length. So, in this paper, a 3D numerical modelling of filaments assemblies has been developed. The twist behaviour of the multifilament was simulated using ABAQUS finite element package by modelling the yarns as 3D continuum elements. The distribution of filament helix angle according to the radial position of the yarn is evaluated. Results show that the helix angle draws near zero in the yarn axis but does not fall to zero in presence of migration, and becomes bigger as the filaments are positioned on the surface. Moreover, the twist angle is calculated for different twist level which proves that twist angle is highly affected by torsion level. The target of the research was to establish a relationship between twist angle, twist value and yarn linear density for a series of models varying in the filament radius, twist value and filament number. 相似文献