纬密

在织机高速织造中系统根据变化的经轴直径，变化的纬密，变化的目标张力和变化的织机转速等变量进行多变量前馈控制。

Feedforward tension is controlled according to Variational diameter of warp beam , Variational weft density , Variational target tension and Variational speed of loom .

有梭织机纬密齿轮最优组合的确定

Determination on the Best Combination of Weft Density Gear of the Shuttle Loom

介绍了GA738型剑杆织机卷取机构的设计情况，从其传动原理、纬密表的制作、变位齿轮的计算等方面作了分析说明。

This article introduces the design of the take-up mechanism of GA738 rapier loom with driving principle analyzed , picks insertion table made , and profile correction of driving gear calculated .

织物纬密不匀疵点的认识与控制

The Identification and Control of Faults due to Ununiform Weft Spacings

1511型织机纬密变换齿轮优化设计

Design Optimization of Weft Set Change Gears in Loom Type 1511M

织机电子卷取装置与变纬密产品开发

Electronic Take-Up Device of Loom and Varying Pick Count Fabric

全自动剑杆小样织机高精度变纬密的实现

Realization high-accurate controllable weft-density of automatic rapier sample loom

计算机控制的变纬密装置及变纬密产品的开发研究

Computer Controlled Weft Density Alternate Device and its Products

真丝重绉坯绸纬密值的算法

Calculation of Weft Density of Heavy-Weight Silk Crepe Grey

织机上纬密变换齿轮设计方法之一&指数加减法

Designing Weft Change Wheels of Weaving Looms by Addition or Subtraction of Index Numbers

织造密度的变化对复合材料性能有较大的影响，纬密变化比经密的影响程度要大。

The changes of weft weaving density have greater impact composites than warp density .

简易剑杆织机扩大纬密范围探讨

The Discussion of How to Extend the Weft Density Range of Simple Rapier Loom

苎麻织物的组织和纬密对热湿性能的影响

The Effects of Fabric Weave and Weft Density on the Thermal-Wet Properties of Ramie Fabrics

竹浆纤维含量及纬密对竹棉织物透通性的影响

Influence of bamboo pulp fiber content and weft density on its transparent of bamboo / cotton fabric

本课题设计了88种不同结构的织物（不同组织、不同经密、不同纬密），分析它们的半制品，即交联处理前的基本物理机械性能。

So in this paper , 88 fabrics of different weave , different density are designed and tested .

本文介绍了计算机控制的织机变纬密装置及利用该装置试制的变纬密织物。

A computer controlled weft density alternate device is introduced here aswell as some density alternate fabrics produced by means of the device .

最后根据倾斜检测结果，采用一种新的与倾斜无关的纬密识别算法，通过提取倾斜角处的投影轮廓线来得到纬密排列规律，并计算出纬纱密度。

Finally , based upon the skew detection process , a novel algorithm to identifying the weft density is introduced , which is independent of the image skew .

本系统能够较好的解决织机停车痕的问题，使织物的纬密更加精确，提高了织物的质量。

The system can solve the stop mark perfectly , and makes the density of weft more exactly , so the quality of the loomage can be improved .

通过理论推导得到垂直放置的织物条带的导湿时间与导湿位移之间成指数关系，不同纬密织物导湿速率的测试结果与理论方程基本一致。

And then we test the wet conduction speed of the different weft density fabrics , and draw the conclusion that the test result is consistent with the theory equation .

该方法具有结构简单，扩大了织机纬密适应范围，能适应织机高速运转的特点。

This method has advantages , such as making the structure more simple , extending the weft density scope of loom and suiting the demand of loom working at high speed .

长丝织物在低纬密、低速度撕裂时的断裂负荷和滑移负荷可用撕裂音的测定予以区别；

The tearing strengths and slipping loads of low pick count filament fibers at low tearing velocity can be measured and distinguished by measuring of the broken sound during the test .

给出了该织物的织造实现方法，相应的织机不仅需配置电子卷取和电子送经装置，而且还应具有输入纬密变化方式的人机交互接口。

The loom for weaving this fabric should not only be equipped with the electronic take-up and let-off devices , but also possess the interface of inputting pick density distribution pattern .

结果表明，织物的纬密、捻度、覆盖率、后整理张力以及环境湿度与绉效应系数密切相关。

It is shown that the weft density , twist number , cover ratio , finishing tension , and ambient humidity of the fabric are closely related to its crepe effect coefficient .

综合织造便利性和复合材料经纬向拉伸性能的共同作用，可将经密设定在较小的范围而纬密控制在适中的水平。

An integrated facilitative weaving and the tensile properties of fabric preforms to a collaborative role could be set at a smaller warp density range and a moderate level of weft density .

根据改变曲柄摇杆机构中机架杆的长度可获得摇杆不同的位移输出这一特性，设计了动态纬密变换器。

Designs a dynamic weft density convertor based on the characteristics of a crank lever mechanism , that the lever displacements can be given by changing the length of the frame bar .

该机构不仅能满足织物纬密对每纬送经量的要求，而且能根据经纱张力的变化对送经量进行微调，使送经量和经纱张力都保持基本恒定。

The above-said let-off motion can meet the requirement of weft on warp let-off , and more the let-off can be fine tuned as well , keeping constant tension of warp let-offs .

本文对该机构的纬密计算，棘爪数、棘轮齿数以及传动连轩长度的确定等设计方法均作了较为详细的介绍。

This paper deels with the filling density calculation and design methods to determine the num-bers of the pawl and teeth of the ratchet wheel as well as linkage lengths of the mechanism .

研究了采用四只变换齿轮时齿数与纬密分布的关系，此时若卷取常数较高，变换齿轮的储备数可从现有的27种减少至7种。

In the case of 4 change-gears , the relations between the tooth number and the distribution of the density of weft have been investigated . The number of spare parts of change-gears may be decreased from 27 to 7 if the taking-up constant is larger .

对开车痕产生的原因进行了详细的阐述，并据此提出了张力补偿和纬密补偿两种比较实用的解决方案，在实际调试的过程中可以明显的改善开车痕问题，达到了设计要求。

To drove the start mark produced to carry on the detailed elaboration , and according to the above proposed the tensity compensated with the weft density compensates two kinds of quite practical solutions , might distinct improvement drive the mark question in the actual debugging process .

疏密纬织物的纬密变化方式及输入方法

Weft distribution pattern and its input of fabric with varied weft density