• Today, a lot of researches focus on the dimension tolerance. However, the researches on geometric tolerance are very few.

    二十多年来人们研究重点尺寸公差位公差研究不多

    danci.911cha.com

  • The general framework and prototype system for synthetic design of dimensional and geometric tolerance based on three- dimensional CAD system are established.

    给出了基于三维CAD系统的计算机辅助尺寸公差公差综合设计总体框架原型系统

    dict.cnki.net

  • 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.

    合理选注位公差工程界设计制造质量控制等方面优化产品质量前提保障

    www.chemyq.com

  • Size tolerance, surface roughness, geometric tolerance and material requirements are supposed to be contained in technical requirements.

    技术要求包括尺寸公差表面粗糙度位公差材料要求

    gctx.just.edu.cn

  • The informational model of geometric tolerance is key to effectiveness of integration CAD and CAM.

    位公差信息模型CAD/CAM能否有效集成关键问题

    dict.cnki.net

  • Assembly dimension; Geometric tolerance; The principle of equal precision; The disc shear;

    装配尺寸式;位公差精度原则圆盘

    jiaoyu68.com

  • Advantages of the invention are as following: a. accuracy and geometric tolerance of inner hole, outer hole and two end surfaces can be easily guaranteed;

    优点a其内两端面的精度位公差容易保证

    ip.com

  • It is reasonable that the geometric tolerance model expressed by this method can effectively define and interpret the current national standard of tolerance.

    方法表示几何公差模型合理有效定义解释当今国家公差标准

    dict.cnki.net

  • The optimal allocation of geometric tolerance values is represented as the combinatorial optimization problem, and Genetic Algorithm (GA) is applied to solve the problem.

    定义形位公差大小分配组合优化问题选择遗传算法实现优化

    www.dictall.com

  • Taking into account assembly tolerance and geometric tolerance, with the maximum and minimum method, a parallel degree calculating method for the missile launcher is put forward.

    考虑装配公差形状位置公差的条件下,采用极大极小给出发射装置改进后平行计算方法

    www.dictall.com

  • Three examples are studied to demonstrate that the system can effectively design dimensional tolerance and geometric tolerance, and integrate tolerance design and tolerance evaluation.

    三个实例分析验证系统有效地实现尺寸公差位公差综合设计,同时完成了公差评价系统公差优化设计系统的有机集成

    dict.cnki.net

  • Based on the national standards on geometric tolerance, the paper analyses the significance of ER (Envelope Requirement), MMR (Maximum Material Requirement) and LMR(Least Material Requirement).

    本文根据位公差国家标准有关规定剖析包容要求、最大实体要求最小实体要求含义

    www.chemyq.com

  • Then, the inspection of the part is simulated to evaluate geometric tolerance stack-up yield, and the calculation methods on different tolerancing principles are discussed.

    研究模拟检测过程估算装配成功率方法不同公差原则对装配成功率计算展开了讨论

    www.chemyq.com

  • In this article, in order to solve the relation of geometric tolerance and dimensional tolerance concisely, intuitively and easily, a graphing method is used.

    采用回归分析获得绕组电阻值时间关系曲线,比作图容易确定,避免因人而异的情况。

    www.dictall.com

  • Profile of a surface is the only geometric tolerance that locates surfaces. The orientation tolerances of perpendicularity, parallelism and angularity never locate features.

    垂直度平行度倾斜度三种定向公差都不能控制特征位置,我们可以采用给出基准要求轮廓度来控制特征位置

    www.dimcax.com

  • 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.

    优化装配系统公差链的公差建立几何尺寸公差优化模型,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;

    dict.cnki.net

  • A synthesizing method is developed to establish a mathematical model for describing the machining tolerance which synthesizes bo th the geometric and physical tolerance.

    提出误差集聚,可建立误差因素共同作用下的切削加工数学模型使纳入机床加工过程的几何物理误差

    www.chemyq.com

  • The CMM(Coordinate Measuring Machine) can be used to measure the geometric element and the tolerance of position and shape of many kinds of work pieces.

    坐标测量各种零件进行几何元素公差测量

    dict.cnki.net

  • Three-dimensional tolerance analysis technique based on the vector-loop tolerance model including the geometric feature variations is studied.

    研究了基于矢量模型包括几何特征变动在内三维公差分析技术

    soso.361xs.com

  • Compared with the algorithms in the past, the new algorithm computes simply, with the error tolerance is got directly and possesses stronger geometric explanation.

    已有算法相比算法具有计算简单、逼近误差直接给出,几何直观性优点

    dict.cnki.net

  • With the assistance of computer-aided design tools, this work studies the tolerance stacks analysis for the components with geometric tolerances applied to their features.

    研究利用电脑辅助工具协助工程师对几何差标注之工程图面,进行容差累积分析

    140.118.33.11

  • Compared with the algorithms in the past, the new algorithm computes simply, the error tolerance is got directly, possesses stronger geometric explanation.

    已有算法相比算法具有计算简单、逼近误差直接给出,几何直观性优点

    ceaj.org

  • Representation of tolerances is a basis for tolerance analysis and synthesis. Proposes a computer-aided representation method to represent geometric tolerances.

    公差存储表示公差分析公差综合基础提出几何公差计算机辅助表示方法

    www.magsci.org

  • This time the geometric focus is a bit of a blur. This is due to the application of tolerance calculations in the ray trace software.

    一次焦点显得有些模糊由于光线跟踪软件误差造成这个误差允许

    www.astronomy.com.cn

  • This time the geometric focus is a bit of a blur. This is due to the application of tolerance calculations in the ray trace software.

    一次焦点显得有些模糊由于光线跟踪软件误差造成这个误差允许

    www.astronomy.com.cn

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