喷丝板
- spinneret plate
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喷丝板是化纤生产中的核心部件,喷丝板的高精度和高质量是保证良好纺丝工艺及纤维成品质量的关键因素。
Spinneret plate is the core component in the manufacture of chemical fiber . Spinneret plate with high quality and accuracy is the dominant factor guaranteeing the fine spinning process and the quality of the produced fiber .
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就喷丝板而言,其最为精密的部分就是微孔,喷丝板微孔的孔型、结构和精度都将直接影响成形纤维的外形、直径和物理机械性能。
In terms of spinneret plate , the most precise component is " micro-hole " . The pattern , structure and accuracy of the " micro-hole " will affect the appearance , diameter and physical-mechanical properties of the produced fiber directly .
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采用双CCD的喷丝板自动纠偏系统
Deviation auto-rectifying system of spinneret based on double CCD camera
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扁平纤维纺丝成形研究Ⅱ.扁平PET纤维喷丝板的设计及产品开发
Study on flat fiber formation ⅱ . Spinneret design and development of flat PET fiber
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随着卷绕速度的增加、PET聚合物本身流动性的减弱,喷丝板处挤出温度的降低,渐近流变力显著增加。
The PET asymptotic rheological force increases greatly with the increases of take-up speed , extrusion temperature and the decrease of the PET intrinsic fluidity .
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利用具有不同孔径的同一喷丝板生产不同线密度和取向度的涤纶POY。
PET POY with different linear density and orientation can be produced with the same spinneret .
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研究了同一喷丝板上不同喷丝孔直径对涤纶POY单丝直径与双折射率的影响。
The effect of spinneret hole diameter on the filament diameter and birefringence of PET POY was studied by using the same spinneret .
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本文讨论了在三叶有光POY-DT生产过程中,喷丝板毛细孔尺寸与可纺性的关系。
In this paper . the relationship between capillary configuration ot spinneret and spinnability was studied under POY-DT production of lustrous " Y " - fiber .
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讨论了喷丝板孔径、组件压力、侧吹风及集束位置等对POY内在质量的影响。
The factors which influence the internal quality of POY including spinneret diameter , module pressure , lateral blow and gather position were discussed .
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然而我国的高附加值弹性并列复合纤维仍需进口,造成这一现象的原因在于用于弹性并列复合纤维生产的喷丝板(以下内容称为T4板)完全依赖于进口。
However , in our country , slap-up and high added value paratactic composite fiber mainly depends on importation , the main reason is that the spinneret ( that spinneret will be named T4-spinneret in this thesis ) .
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对制备吸湿干爽FDY长丝所用喷丝板进行了特殊设计,对纺丝工艺进行了较深入的探讨,分析了生产过程中影响FDY异形度的主要因素。
The technological development on hygroscopic and dry FDY is discussed . The special spinneret and Spin-draw process is designed , the factor of the influences to FDY profiled degree in the production process is analyzed .
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对NOY公司涤纶POY生产线双头纺的纺丝、卷绕部分及喷丝板进行了改造,探讨了改造后生产125dtex/72f细旦丝的生产工艺。
The spinning and winding units and spinneret of NOY polyester POY line were reformed . The production process of 125 dtex / 72f fine denier fiber after innovation was discussed .
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介绍了涤纶FDY扁平丝-型喷丝板的工艺设计,主要讨论了纺丝温度、纺丝速度、侧吹风等工艺对纤维扁平度指标影响。
In this article , the design of " - " spinneret of Polyester FDY was introduced . The effect of spinning temperature , spinning speed and quench process to the flat target of the filament were discussed .
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以特性粘数1.51dL/g的聚乳酸(PLA)为原料,采用三叶异形喷丝板一步法熔融纺丝制备出异形度为52%的三叶异形PLA纤维,研究了其热性能和机械性能。
Trilobal profiled polylactic acid ( PLA ) fiber with a profiled degree of 52 % was prepared from PLA with intrinsic viscosity 1.51 dL / g using trilobal profiled spinneret via melt spinning process . The thermal and mechanical properties of the trilobal profiled PLA fiber were studied .
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喷丝板孔径的大小影响POY的拉伸性能和拉伸应力的变化。后拉伸倍数低和应力波动大是造成随机性僵丝和毛丝的主要原因之一,对染色性亦有影响。
The hole size of spinneret influences the POY 's drawing performance and stress in drawing , the low post-drawing ratio and strong fluctuation of stress are the main causes of random tight spots and naps in the yarn also the uneven dyeing .
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在对44dtex/12fFDY长丝进行产品开发时,通过对喷丝板、纺丝速度、上油方式、拉伸定型等工艺条件进行调整,解决了44dtex/12f产品的生产不稳定、产品等级率低的问题。
For development of 44 dtex / 12 f FDY , the technology conditions such as the spinneret , spinning speed , oiling style , drawing and setting were adjusted . The problems of unsteady production condition , low grade product rate were solved .
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从动力学模拟计算可知,PCS纤维在离开喷丝板0.1m处就已经达到了最终直径,此时温度也下降到50℃左右,因此难以通过二次拉伸来降低纤维的直径。
From the kinetic simulation we knew , it was at 0.1m on spinning path that the ultimate diameter could be obtained and temperature decreased to about 50 ℃ . So it was difficult for us to stretch PCS fiber to decrease its diameter .
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中空喷丝板设计时,微孔圆环形狭缝宽度小于0.15mm,表观拉伸比不能太大;
The apparent draw ratio should not be designed too much high for spinneret . The width between circular micro-holes should be less than 0.15 mm .
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实践经验表明:分纤喷丝板的设计是设备改造的关键,增加纺丝头数,更换计量泵,及其它相应的改造,并调整工艺参数,十二头纺可生产出质量优良的56dtex/24f涤纶FDY。
The results showed that the key to equipment innovation was the design of dividing spinneret . PET FDY of 56 dtex / 24f with splendid quality can be produced via 12-end spinning by increasing spinneret , changing metering pump , conducting other corresponding innovation and adjusting the process parameters .
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改造方案为:直径为150mm的螺杆、2.6mL×4的计量泵,组件等不作变动,而主要对喷丝板向下作双丝路处理。
The reformation plan is that the diameter of the screw is 150 mm , the capacity of the meter pump is 2.6 mL × 4 and the spinning pack is not changed . The spinneret is moved downward for the double filament path treatment .
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经改造喷丝板异形度及组件配置,成功地探索出了稳定生产优质75dtex/74f锦纶HOY三角有光交络丝的工艺条件。
By change the spining nozzle 's cross-section shape and the configuration of the spinneret assem - bly , the suitable technology conditions for steady production of high-quality 75dtex / 74f PA lustrous pro - filed interlaced HOY were searched .
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本文分析了500孔Y形喷丝板于纺二醋纤的影响因素,认为在纺丝溶液中加入适量的助剂A对纺丝有利;废醋纤(WCA)再生烟滤嘴纤维研究第1报工艺技术
In this paper , the influence factors of spinning acetate fiber by the dry process using Y type spinneret of 0 . 04-0 . 03-500 holes were analysed . STUDIES ON THE REGENERATION OF WASTE CELLULOSE ACETATE FOR THE FILAMENTS OF CIGARETTE FILTER ( 1 ) . THE TECHNOLOGY
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介绍了由HV452纺丝设备生产1.33dtex×38mm有光缝纫线型短纤维的纺丝工艺技术特点,着重讨论了喷丝板选择、纺丝温度、熔体输送温度、冷却条件等因素对原丝性能及产品质量的影响。
In this paper , the process of producing 1.33 dtex × 38 mm staple fibers for the bright sewing threads was introduced . The influences of the spinneret , spinning temperature , melt conveying temperature and quenching condition on fiber properties and fiber quality were discussed .
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指出选择合适的切片、适当提高箱体温度和熔体压力、改变喷丝板结构,严格控制拉伸倍数等工艺因素可制取性能优良的1.67dtex×38mm锦纶细旦短纤维。
The 1.67 dtex × 38 mm PA staple fiber with excellent properties could be obtained by selecting the proper chips , appropriately increasing the spin manifold temperature and melt pressure , improving the structure of spinneret and strictly controlling the parameters such as draw ratio , etc .
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纺制0.56dtex涤纶短纤维的喷丝板选用
Spinneret selected for spinning 0.56 dtex fine denier PET staple fiber
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推导了聚合物熔体通过异形喷丝板微孔基本单元的流动基本方程。
The fundamental flowing equations of every elementary cell are derived .
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同板异收缩纤维用喷丝板的设计
Design of Spinneret Used for Preparation of Yarn with Different Shrinkage
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涤纶长丝在棉织设备上的生产实践涤纶长丝生产中喷丝板的选用
The Practice of Weaving Polyester Filament Yarn on Cotton Weaving Machine
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液体喷砂在喷丝板表面处理的应用
The Application of Liquid Blast to Surface Treatment of Spining Jet Plate
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喷丝板自动检测中基于机器视觉的自动纠偏
Self-Correcting Position Control System by Machine Vision in Spinneret 's Auto Inspection