The resolving of dimension chain is the base of making craftwork.
工艺尺寸链的解算是制定工艺的基础。
The process of generating dimension chain does reflect the kernel of assembly function.
尺寸链的形成过程反映了装配函数的核心内容。
But the calculation and distribution of the dimension chain is done manually as before.
但尺寸链的计算与分配仍需要手工进行。
Dimension chain is one of the keys and difficulties of "Manufactural Technology of Machinery".
尺寸链的教学是《机械制造工艺学》课程的重点和难点内容之一。
The method is validated by our own-developed 3d assembly dimension chain automatic generation system.
该方法已在自主开发的三维装配尺寸链自动生成系统中得到了验证。
In chapter 5, generation principle of the assembly dimension chain is presented faced to 3d CAD drawing.
第五章：提出了基于三维装配图的尺寸链自动生成策略。
Assistant location error calculating of the combination fixture is based on the theory of dimension chain.
采用尺寸链原理进行组合夹具的辅助定位误差计算。
Several complementary computing dimension chain formulas of Extremum Method and Probability Method are deduced.
推导了使用极值法、概率法计算尺寸链的补充公式。
The process dimension chain is calculated by the dimension chain calculating formula of symmetric tolerance marking.
并进一步推导对称公差标注时尺寸链的计算公式，从而简化尺寸链计算。
The paper mainly solves the problem of reasonable dimensioning parts with the help of the concept of dimension chain.
着重阐述了应用尺寸链的概念来解决零部件尺寸的合理标注问题。
In the fourth chapter, the automatic generation theory of the dimension chain based on assemble drawing is put forward.
第四章：提出了基于装配图约束关系的尺寸链自动生成原理。
Using the graph theory model for solving the dimension chain in technologic process of component part machining is a new mode.
图论法是解零件加工工艺尺寸链的一种新方法，已在机械行业得到初步应用。
For solving the accumulation of angular error, in this paper, a new method for calculating angular dimension chain is proposed.
为了解决角度误差的累积问题，本文提出了一种角度尺寸链计算的新方法。
In this paper the basic concepts of the robustness of plane dimension chain is put forward on the basis of engineering robust design principle.
基于稳健设计和稳健优化设计原理，提出了平面尺寸链稳健性基本概念。
This paper summarizes the rational application of assembly dimension chain in mechanical product design, manufacturing and maintenance process.
归纳总结装配尺寸链在机械产品设计、制造和维修过程中的合理应用。
Through the map of 3d process picture sheet model and the parameterization of 3d dimension chain model, a process model structure was constructed.
通过3d工序图模型和参数化空间尺寸链模型的映射，构造工艺模型结构。
Then the process model of tolerance synchronous synthesis is built. The local dimension chain and overall dimension chain are set up automatically.
分析在设计过程中自动生成局部尺寸链和全局尺寸链的方法，建立公差设计和反馈的整体框架。
Thus a kind of computer aided optimum tolerance design model is built, by the reliability index of second moment based on the Dimension chain theory.
本文以尺寸链理论为基础，通过对二阶矩可靠性指标的应用到装配尺寸链的研究，建立计算机辅助公差优化设计的尺寸模型。
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。
Further, the dimension chain calculating formula is deduced when symmetric tolerance marking is used, so that the dimension chain calculating is simplified.
并进一步推导对称公差标注时尺寸链的计算公式，从而简化尺寸链计算。
Many parameter methods for solving the dimension chain have been developed since the 1950' s. They are not strict in theory and have inherent method errors.
解尺寸链的许多方法属于参数法，它们在理论上不够严格，存在方法误差。
The local dimension chain and overall dimension chain are set up automatically. The whole frame of tolerance design and relevant feeding back is established.
分析在设计过程中自动生成局部尺寸链和全局尺寸链的方法，建立公差设计和反馈的整体框架。
Therefore, when deciding tolerances of the process before or after nitriding, the formulas involving the correlation dimension chain must be adopted in calculating.
因此，在确定氮化前后的工序尺寸公差时，应采用相关尺寸链的公式进行计算。
The mechanism of low voltage miniature circuit breaker is very complicate, thus its assembly dimension chain and the tolerance of critical dimensions are researched.
由此，对微型断路器机构的装配尺寸链和关键尺寸公差进行了研究。
This text mainly analyzes the application of dimension chain principle, the method to get assembly accuracy and the guarantees for reasonably solving machine quality.
着重分析应用尺寸链的原理，达到装配精度的方法，合理解决机器质量的保证问题。
The principle, procedures and a calculating example of the analytic method of calculating location errors based on the plane dimension chain principle are introduced.
平面尺寸链在工艺尺寸计算中是一个重要环节 ，介绍了一种平面尺寸链在计算时将其转化为直线尺寸链 ，然后按照全微分法进行计算的方法。
This paper puts forward a new, simple and practical method to solve the angular dimension chain, by making angular dimension chain for the important dimension in machine.
通过建立机床设计中常遇到的角度尺寸链，提出了更为简单适用的角度尺寸链的求解方法。
Among them the automatic generation of dimension chain is the foundation of CAT and the described design function offers basis of tolerance analysis and tolerance synthesis.
其中尺寸链自动生成是进行计算机辅助公差设计的基础，它所描述的设计函数是进行公差分析和公差综合的依据。
The characteristics to dimension chain constraint is analysed, dimension loop model is put forward based on the dimension chain for solving dimension relationship constraints.
针对尺寸之间的关联约束，本文首先分析了尺寸链约束的特点，提出了基于尺寸链的尺寸环模型。
Authors analyzed uncertainties of error and tolerance, found that it is feasible to describe it by gray uncertainty theory, and solved dimension chain through gray mathematics equation.
作者分析了误差和公差的不确定性，发现它们可用灰色不确定性描述，并应用区间灰数数学方程来作了尺寸链的求解。
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