通过对数字化预装配方法的分析，提出了基于数字化产品设计模型的装配公差分析和优化方法。
The assembly tolerance analysis and optimization method based on digital product design model is put forward according to the analysis of digitalization preassembly method.
通过实际装配精度的计算和分析，提出两种方法，扩大尺寸的公差，降低了加工难度，提高经济效率。
Through calculating and analyzing the actual assembly accuracy, the paper establishes two ways to enlarge dimensional tolerance to reduce machining cost and raise economic efficiency.
研究了蒙特卡洛法在公差优化中的应用，给出了装配成功率的计算公式以及精度灵敏性分析的方法。
Research the application of Monte Carlo method for tolerance design, display the calculate formula of estimated stack-up yield and the analysis method of sensitivity to tolerance.
提出用装配基准变动方程组来建立装配公差链模型，通过求解此方程组获得三维装配公差链的分析结果。
A group of equations of assembly datum variation is proposed to model assembly tolerance chain and tri-dimensional tolerance analysis result is obtained through solving those equations.
至少3年的产品设计经验，如良好的绘图方法，公差分析，装配设计，失效模式与效应分析(FMEA)。
At least 3 years of product design experience such as Good Drawing Office practices, Tolerance Analysis, design For Assembly, Failure Mode and Effect Analysis (FMEA).
在容差分析中提出基于尺寸容差的装配公差优化方法。
The paper brings forward the method of optimal design of tolerance based on dimensional allowance in Virtual Assembly.
分别给出了二维和三维装配工程实例验证所提出公差分析模型的有效性。
The tolerance analysis examples of 2-d and 3-d assemblies are given to demonstrate the effectiveness of the proposed model, respectively.
分别给出了二维和三维装配工程实例验证所提出公差分析模型的有效性。
The tolerance analysis examples of 2-d and 3-d assemblies are given to demonstrate the effectiveness of the proposed model, respectively.
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