经纱
- chaine;warp;lissé;end
-
[warp] 沿织机长度方向延伸的一串纱,由此纱纺成织物沿长度方向的线,常常捻得比填纱紧
-
基于μC/OS和ARM的经纱张力嵌入式智能控制系统设计
The Design of Warp Tension Embedded Intelligent Control System Based on μ C / OS and ARM
-
聚乙烯醇(PVA)、丙烯酸类及淀粉是经纱上浆的三大主浆料。
Polyvinyl Alcohol ( PVA ), Acrylics and Starches are major materials in warp sizing .
-
经纱张力的模糊参数自整定PID控制研究
Fuzzy Parameter Self-Tuning PID Control for Warp Thread Tension Control
-
上报〔1〕提出了一种利用水溶性PVA长丝进行经纱上浆新工艺。
A novel sizing process using PVA filaments has been proposed .
-
文章研究了一种利用水溶性PVA纤维代替浆料用于经纱上浆的新型水溶上浆方法。
A new sizing technology of using water-soluble PVA fiber to replace slurry is studied .
-
纺织经纱上浆中常用的浆料主要有淀粉、聚乙烯醇(PVA)和丙烯酸类浆料三大类。
There are mainly starch , PVA and polyacrylic size as sizing materials in textile warp sizing .
-
当前在经纱上浆中PVA的用量约占浆料总用量的20%,在17万吨左右,对环境造成了严重的污染。
Nowadays , PVA has amounted to twenty percent of sizes and has approximately 170,000 tons in order that environmental pollution is very serious .
-
同时,采用增量式PID控制算法,实现对经纱张力的动态控制,有效地提高了织物的质量。通过现场调试,系统已实现正常工作,经纱张力基本稳定,达到设计要求。
At the same time , the incremental PID is used in the system , and it realizes the dynamic control of the warp tension so as to can improve the quality of fabrics .
-
结果表明接枝淀粉浆料能够在细支涤/棉混纺经纱上浆生产过程中取代60~70%的PVA,并能大幅度缓解PVA对生态环境的污染,具有较大的经济效益和社会效益。
The results indicated that the size recipe is reliable , and the sizes of starch graft copolymer can be used as main component for sizing fine count cotton-polyester blended yarns .
-
利用NI公司的LabWindows/CVI开发的虚拟经纱张力测试仪,该仪器由传感器、数据调理电路、数据采集、计算机系统及相应的硬件驱动程序和虚拟仪器软件组成。
Virtual warp tension tester is developed using LabWindows / CVI of NI company . The tester is consisted of sensor , data adjustment circuit , data collection , computer system and corresponding hardware drive program , and virtual instrument software .
-
本论文主要介绍了目前在纺织经纱上浆应用中的三大主要浆料(淀粉、丙烯酸和PVA)的应用状况以及它们的性能特点;
In this paper the characteristic of three kinds of main yarn sizes are introduced in detail , including starch size , acrylic acid size and Polyvinyl Alcohol size ( PVA ) used in textile industry .
-
在GAMMA型剑杆织机上采用单织轴织制平纹地小提花织物时,通过制定合理的上机工艺参数,有效解决了停经片下沉及经纱断头问题,使织造效率由30%提高到80%。
When weaving plainback mini-jacquard fabric on GAMMA rapier loom with single beam , properly setting looming parameters and programming can effectively the problems of drop-wire sinking and warp break and increase weaving efficiency from 30 % to 80 % .
-
其次,本文探讨了经纱张力的控制方法,辨识经纱张力的数学模型,并在传统的PID控制技术基础上,引入非线性控制和智能控制策略中的模糊PID控制算法。
Secondly , this thesis discusses the control method of warp tension control , the math model of tension control identification . Based on PID control algorithm , we introduce nonlinear control and Fuzzy PID control algorithm , which have been simulated in the MATLAB system .
-
3种纱均在DREFⅢ型摩擦纺纱机上按芯皮50/50比例纺成,经纱统一采用2合股纯棉纱线。
These three yarn core layer skin layer 50 / 50 is spinning in DREF ⅲ friction spinning machine .
-
结果表明:该浆料在细支涤棉织物的经纱上浆中,与氧化淀粉配合使用,可大幅度减少PVA浆料的用量和降低用浆成本,并能够获得较理想的浆纱质量和织造效果。
The experimental results indicate that excellent sizing properties and good weaving effect has been obtained , when using EV size to replace PVA size fifth percent for sizing fine count polyester / cotton yarn and the cost of sizing is lowered .
-
因为冲击应力波作用较强烈,将在不同纱线系统交织和接触区域发生强烈透射和反射,从而使得次承载纱线系统(经纱或Z纱)发生较大变形,吸收部分冲击能量。
The stress wave is so strong that it will reflect and transmit in the interlacing area and contacting region of different yarn systems . It eventually enables the secondary-load-carrying yarn systems ( i.e. warp and Z ) to deform measurably and absorb part of the impact energy .
-
本文主要介绍DDF复合催化剂的反应机理、性能以及该浆料在纯棉、涤棉经纱上浆中的应用价值。
In this article is introduced the reaction mechanism , property , and application effect of com-pound catalyst DDF used as sizing material for warp yarns of pure cotton and polyester / cotton .
-
在硬件电路设计方面,提出以S3C44B0X为核心的主电路设计与外围电路设计两部分协同设计经纱张力独立系统,集成到整个织机控制系统中。
We put forword the idea of design warp tension independent system consists of main circuit based on S3C44B0X and peripheral circuit , which can be integrated into the whole loom control system .
-
采用非线性振动方法分析经纱运动的波动过程,对织造过程中的经纱黏弹性本构关系选用Kelvin模型,根据牛顿定律建立经纱横向与纵向的振动微分方程。
This paper adopts nonlinear vibration method to analyze the fluctuation process of warp yarn during weaving and Kelvin model to analyze the constitutive relation of its visco elasticity . A differential equation of warp yarn vibration in lengthwise and crosswise is established based on Newton law .
-
控制系统采用μC/OS-II作为实时操作系统,ARM7(S3C44B0)作为主控制器,由张力传感器实时测得经纱的张力,然后与设定值比较得到一偏差。
μ C / OS-II is the real-time operating system , ARM ( S3C44B0 ) is the main controller in the system . The control system gets the tension by sensor and the warp by comparing to given value .
-
文中对使用1511M型织机中经位置线的确定进行了探讨,介绍了采用抬高筘座位置来调节上.下层经纱张力的实验及效果。
This paper gives a discussion on the selection of the warp yarn location on 1511M loom and a brief introduction to the experiments and effects of adjusting the tension of upper and lower warp yarn by rising the reed base .
-
铅布织机在织造过程中易出现边经纱擦伤严重导致边经纱断头的现象,现介绍一种在1511M型织机结构和设计原理的基础上设计的铅布织机布边控制装置。
The warp yarn in selvedge is easily galling or attrite to break as the lead cloth loom put running , which is designed base on the theory and structure of power loom type 1511M . Introduce a selvedge control device suit for that .
-
本文主要以WG-2000型喷气织机后梁系统为研究对象,分析开口、打纬、松经运动及后梁的摆动对经纱变形及经纱张力的影响。
This dissertation makes the back rest system of type WG-2000 air-jet loom as the research object , analyzes the influence on warp deformation and warp tension by shedding motion , beating-up motion , warp loosing motion and back rest oscillating motion .
-
本色棉梭织物组织规格与经纱缩率关系分析
The Relations Between Specification and Warp Shrinkage of Cotton Grey Fabrics
-
丙烯酸浆料的研制及其在经纱上浆中的应用
Research on acrylic acid size and its application in warp sizing
-
影响喷气织机经纱毛羽的因素与控制措施
Influence Factor and Control Method of Warp Hairiness of Air-jet Loom
-
喷水织机用微乳液经纱浆料的研制
Preparation of the sizing materials in microemulsion by water jet loom
-
剑杆织机经纱托纱板的作用原理与应用效果
Function Principle and Application Effect of Thread Bar in Rapier Loom
-
开口运动对经纱织造特性影响的研究
Research on the Influence of Shedding Motion on Warp Weaving Trait
-
介绍了所浆经纱的织物品种,选用的浆料配方和上浆工艺。
The paper introduces the chosen size formula and sizing technology .