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.
提出一种基于工序加工能力的并行工序公差优化设计方法。
A new method for optimal concurrent process tolerancing is proposed. In the stage of structure design for a product, the information related to the process planning is used.
提出了新一代GPS面向产品全生命周期的公差优化设计模型。
An optimal tolerance design model for product life cycle is proposed within the frame of the new generation GPS system.
以最大工序能力作为工序公差优化的目标,利用模糊数学的概念建立目标函数。
The objective function of process tolerance optimization is established with the fuzzy mathematics based on maximum process capability.
本文提出的光学公差优化模型可迅速地计算出结果,而不必象通常那样进行反复调整试算。
An optimization model of optical tolerance is proposed to enable straight forward calculation instead of the usual tolerance-budget balancing by trial and error.
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.
公差优化设计是在机械产品设计和制造过程中的一项重要内容,而在计算机应用中,建模也是一个重要的步骤。
Optimum tolerance design is one of important steps in the process of machine design and manufacture and in the application of computer, and model-building is an important step.
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。
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.
三个实例分析验证了此系统可有效地实现尺寸公差和形位公差的综合设计,同时完成了公差评价系统和公差优化设计系统的有机集成。
Three examples are studied to demonstrate that the system can effectively design dimensional tolerance and geometric tolerance, and integrate tolerance design and tolerance evaluation.
给出了各元件的基本偏差及公差等级的优化组合。
Optimum combination of tolerance levels and basic deviation of each element are given.
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.
合理选注形位公差是工程界在设计、制造及质量控制等方面优化产品质量的前提保障。
Reasonable choice for geometric tolerance is the premise and guarantee of optimizing the quality of products when designing, manufacturing and doing quality control by engineering community.
产品公差的优化应在满足使用要求及加工能力答应的条件下以成本最小为目标。
Of product public errand optimize the condition that should allow in contented use requirement and process capability to fall with cost the smallest for the target.
综合考虑了影响精密型腔模具成型产品零件尺寸公差的各种因素,提出了模具成型尺寸的多目标优化方法。
This paper discusses various factors which affect the dimensional torlerence of products of precise mould and offers a multi-object optimal method for designing cavity dimensions of precise mould.
研究了公差网络中的各公差对相应的旋量参数的约束不等式表示,从而构成了公差大小优化的不等式约束。
Screw parameters in VGCN specified by tolerances in TN are expressed as inequation, which is inequation constraint in optimization of tolerance values.
建立了三维变动几何约束网络的运动学模型的一般表示式,从而构成了公差大小优化的等式约束。
The general expressions of kinematic model of 3-dimensional VGCN are presented, which is the equation constraint in optimization of tolerance values.
产品公差的优化应在满足使用要求及加工能力允许的条件下以成本最小为目标。
Tolerance optimization seeks to minimize the cost with constraints of product requirements and manufacturing ability.
研究了公差分析与优化设计的方法,分析了导引头伺服机构公差分析与设计的主要关键技术。
A method of tolerance analysis and optimization design is investigated. The main key techniques of tolerance analysis and design of the servo mechanism of the guidance head is analyzed.
通过建立并求解优化模型,可实现工序公差的并行优化设计,最后给出了一个工程实例。
Through formulating and solving the optimization model, the concurrent design of process tolerances can be made. Finally a practical example is given.
提出三维动态公差设计的一般模型和优化方法。
Optimization method of sequential tolerance design is proposed for 3 dimensional part manufacturing.
研究了并行设计环境下的公差分析以改善传统公差分析效率低且易出错的现状,获得了优化的公差。
Tolerance analysis is investigated under an environment of concurrent design in order to lead to optimized tolerance, as traditional tolerance analysis is often inefficient and liable to mistakes.
为优化装配系统中公差链的公差值,建立了几何尺寸公差的优化模型,并提出公差的分层优化设计算法:第一层,解决设计公称值居中的优化问题;
In order to optimize tolerance values for an assembly system, a model for geometric dimension tolerance optimization was established and an algorithm for optimal tolerance design was proposed.
首次提出了基于同步公差设计的概念结构设计优化理论,其本质是自顶向下和分解重构的设计思想在公差设计中的体现。
The tolerance design in conceptual- structure design stage can identify the product problem, lessen the design rework, shorten the design period and reduce the cost.
以最低制造成本为优化目标,介绍了求解装配尺寸链的综合因子法、最低成本法和线性规划法,为合理分配装配尺寸链中各环公差提供参考。
By taking the minimum cost as optimization aim, the synthetic factor method, minimum cost method, and linear programming method of solving assembled dimensional chains are introduced.
研究了一种计算机辅助的交互式尺寸链自动生成方法和基于惩罚函数法的公差遗传优化算法,编制了相应的软件。
This paper presents a computer-aided method of automatic generation of dimension chains and penalty function-based tolerance genetic optimization, and the corresponding software has been developed.
面向零部件公差设计优化问题,提出一种基于层次分析法的产品质量损失成本模型,该模型克服了常用的田口方法的一些缺点。
Based on AHP, a novel quality loss cost model was developed for product tolerance design, which overcome drawbacks of the conventional Taguchi method.
面向零部件公差设计优化问题,提出一种基于层次分析法的产品质量损失成本模型,该模型克服了常用的田口方法的一些缺点。
Based on AHP, a novel quality loss cost model was developed for product tolerance design, which overcome drawbacks of the conventional Taguchi method.
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