The paper has managed the problems of error transfer and tolerance assign of ships ' dimension by the principle . We have built the database about ships ' weight and centre of gravity by the probabilistic technique of the principle .

一，运用 尺寸 链原理，解决误差传递以及 公差分配问题，然后将尺寸 链原理应用到船舶重量重心精度控制数据库中。

Based on MDT part-selection and tolerance count of assembled dimension is implemented in CAD system of modular fixture in the paper .

基于 MDT软件和组合夹具CAD系统，开发了夹具设计中组合 尺寸元件选择和精度检验的实现方法。

From the point of view of the dimension chain tolerance analysis is a calculation from dimensions and tolerances of composing loops to dimension and tolerance of close loop .

从尺寸链理论的角度来看， 公差分析是解决计算问题，即已知各组成环的 尺寸和公差，确定最终装配后封闭环的尺寸和公差；

Using these rules some comparison can be made between these calculating methods the results show that the intermediate tolerance calculating method is the best to satisfy the demand of the dimension precision of plastic parts .

运用计算与分析手段，对目前众多的注塑模具成型零件工作尺寸的计算方法进行比较，在塑件 尺寸精度满足要求的前提下，提出中 差法是一种既简捷又准确的成型 零件计算方法。

The conclusion is that the effect of tolerance of composing loop on the tolerance of close loop is less if the sensitivity of dimension yield is less and the robustness of dimension chain is better if the sensitivity of product yield is less by calculation .

通过计算得知， 尺寸合格率灵敏度较小的组成环 公差 对封闭环 公差的影响较小，产品合格率灵敏度较小的尺寸链稳健性较好。

It must start from the confirmation of closed loop and retrieval of component loop draw the line graph of dimension chain correctly and work out relevant procedure dimension and tolerance by using basic formula of dimension chain according to the types of dimension chain of craftwork .

解算尺寸链应从封闭环的确定、组成环的查找入手，准确画出尺寸链线图，根据工艺尺寸链的类型，利用 尺寸链的基本计算公式计算出有关工序尺寸及 公差。

This paper focus on the proper and complete dimensioning of the tolerance of procedure dimension .

针对如何确切、完整地标注工序 尺寸 公差带的 问题进行 探讨。

The Effect on Conjugation Tolerance from the Measurement Error of Real Dimension in Course of Deployment and Conjugation

配制配合中实际 尺寸测量误差对配合 公差的影响

Finally the paper describes the method of distributing the tolerance of process dimension on different initial conditions through examples .

文章最后结合实例对算法进行了分析比较，给出了在不同初始条件下，经济合理地分配工序 尺寸 公差的方法。

In order that tolerance of component links can be enlarged and the tolerance of enclosed link can be assured in the dimension chain the principle and method of abnormal calculation of technological dimension chain are discussed in this paper .

本文论述了工艺 尺寸链变态计算的原理与方法，利用这种方法可以得到既 放宽组成环又确保封闭环的特殊效益。

After inquiring the value of the tolerance of dimension shape and placement then it can be marked automatically in AutoCAD .

查取公差值后能在AutoCAD中实现 尺寸、形状、位置 公差的自动标注；

At the same time international standards of dimension tolerance and that of basic demands dimension measuring basic demands and some problems are illustrated .

本文还介绍了尺寸 偏差的国际标准及先进国家标准 的基本要求，同时就 尺寸测量的基本要求和存在的问题加以说明。

Disposing the optimum location of a relative tolerance zone of the closed dimension can simplify the adjustment process of an assembly production .

将封闭 环协调 公差带配置在最佳位置，可使产品装配的调校过程简化。

Study the technology about auto-generation of dimension chain include the expression of tolerance which based on features in CAD the theory and process of auto-generation of dimension chain .

研究了尺寸链自动生成技术，包括基于特征的尺寸、 公差信息表达与提取， 以及 尺寸链自动搜索原理及其流程。

The conception of the precision of the main parts for dry battery application and the working chart of the tolerance of the dimension and shape and the coarse degree of the surface were put forward .

本文提出了干电池主要零配件的精度概念以及 尺寸 公差、形 位 公差、表面粗糙度等精度要求的工作图表达形式。

Determination on the tolerance of unit ring in assembly dimension chain

装配 尺寸链中组成环 公差的确定

Tolerance is the amount of variation permitted in the part or the total variation allowed in a given dimension .

公差是零件允许的变动量或给定 尺寸允许的总变动。

Through using of degree of freedom and tolerance zone of a feature Assembly model is established to present fit feature component feature assembly geometric relation assembly dimension assembly tolerance and assembly datum etc.

利用特征自由度和特征 公差带，建立装配模型来表示装配设计中的配合特征、零件特征、装配几何关系、装配 尺寸关系、装配公差关系以及装配基准参照系等。

This paper analyzes factors influencing dimension tolerance of MIM products and the progresses in dimension control .

综述了金属注射成形产品尺寸 精度的影响因素及控制 尺寸 精度的进展。

The paper introduces the tolerance scale of linear dimension by non-equal tolerance and equal tolerance through examples which is simple and convenient and widely used in engineering technique .

通过实例介绍用非等公差法和等公差法进行线性 尺寸 的 公差换算，既简单又方便，在工程技术中可广泛应用。

This article introduces a tool for marking the tolerance of the part with this tool user can complete expediently two works once by good interface which to look up dimension tolerance and mark the tolerance and raised the work efficiency consumedly .

本文介绍的标注零件 尺寸 公差的工具，以良好的人机交互界面，让用户方便地一次完成查找 尺寸公差和标注尺寸公差两项工作，大大提高了工作效率。

This paper introduces the methods of automatic inquiry and mark for dimension tolerance used in mechanical CAD of AUTOCAD and presents a practicable software for dimension tolerance mark developed according to the National Standard ( GB1800-1804-79 )

介绍了AutoCAD环境下机械CAD的尺寸 公差自动查询和标注的方法，给出按公差与配合的国家标准（GB1800-1804-79）开发的 尺寸公差标注系统实用软件。

The model of simultaneous design of tolerance is established according to the requirement of simultaneous design and characters of process tolerance design . In chapter 3 the used methods of process dimension are analyzed ;

第二章：分析了传统的工序 公差设计方法 及工序 公差优化设计模型，并根据并行工程的需要及工序 公差设计的特点，建立了公差并行设计的优化数学模型。

Therefore it is of great economic and theoretic importance for the improvement of salt tolerance of wheat to exploit the soil resources of the saline regions and to raise the sowing dimension and yield of the food crops .

改良小麦的 耐盐 性对于开发利用我国盐渍地区的土地资源，扩大小麦的播种 面积以及稳步提高粮食产量具有重大的经济价值，又有深远的理论意义。

Interactive Tolerance of Dimension Auto - inquiry and Marking

交互式 尺寸 公差自动查询标注

The selections of the inflated dimension and dimension tolerance of aviation tire the dimension of growth tire the minimum permitted gap between tire and adjacent parts the minimum gap between abreast tires and the space between wheel and adjacent parts are briefly described .

简要介绍航空轮胎充气尺寸、尺寸 公差、胀大 尺寸、与飞机相邻部件间最小允许间隙、并串装轮胎最小间隙及机轮与飞机相邻部件间距等的选取。

To analyze the effect of tolerance of composing loop on the tolerance of close loop the theory of robust design is introduced in the tolerance analysis and the concepts of sensitivity of eligible probability of dimension and sensitivity of eligible probability of product are put forward .

为了分析尺寸链中组成环公差对封闭环公差的影响程度，在 公差分析过程中引入稳健设计理论，提出 尺寸合格率灵敏度和产品合格率灵敏度概念。

During machine design tolerance of unit ring in assembly dimension chain is usually determined by using either equal tolerance or equal accuracy method .

在机械设计中，装配 尺寸链的组成环 公差，一般是采用等公差法或等精度法来确定。

As an application of statistical tolerancing the axial and radial tolerance of twin screw pulping extruder is analyzed and . equations of linear and non-linear dimension chain are established tolerance analysis and design are done by Monte Carlo method .

作为统计公差分析的应用，对双螺杆磨浆机构的轴向和径向 公差进行分析，建立了线性、非线性 尺寸链方程，运用蒙特卡洛方法进行了公差分析和设计。