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- USING PARTIAL DERIVATIVE TO SOLVE AND CALCULATE THE PLANE DIMENSION CHAIN 用偏导数求解并计算平面尺寸链
- Analytic Method of Calculating Location Errors Based on Plane Dimension Chain Principle 基于平面尺寸链原理的定位误差解析计算法
- plane dimension chain 平面尺寸链
- It presents a direct and handy way pf drawing process dimension chain. 介绍一种直观、简便的作工艺尺寸链图的新方法。
- plane dimensional chain 平面尺寸链
- This text tries hard to combine dimension chain with production practice closely and elaborates the conversion of process size during machining. 力求将尺寸链原理与生产实际紧密结合,阐述在机械加工过程中关于工艺尺寸的换算问题。
- 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。
- A Study on Plane Dimension of Curved Waterway 弯曲航道平面尺度研究
- This paper dissertate the general framework of Computer Aided Tolerance System, research a series of key questions such as the methods of auto-generation of dimension chain, gives out the prototype program based bn AutoCAD. 本文论述了计算机辅助精度设计的总体框架,研究了尺寸链自动生成等关键技术,并开发了基于AutoCAD平台的原型系统,本文的主要研究内容如下:
- This paper presents a rather new and practical theory and method concerning with the problem of spacial dimension chain,overcoming the complication and difficulty of the erst computation of discomposing first and then synthesizing the spacial dimention. 本文对空间尺寸链计算问题提出了一种较为新颖的理论及解法;克服了以往空间足寸链计算中先分解后合成的复杂多变的高难度计算.
- Based on the VGC(Variational Geometric Constraints) theory, a rule to set up the loop circuit for assembly dimension chain is put forward. The generation method of VGC network for assembly dimension chain is presented. 根据变动几何约束理论,给出了配合回路的生成规则,提出了面向尺寸链的变动几何约束网络的生成方法。
- The plane climbed until it was clear of the clouds. 飞机爬升穿出了云层。
- Time is sometimes called the fourth dimension. 时间有时被称为第四度空间。
- Presents the two-dimension dimensional chain search arithmetic based on DFS. 提出了了异形异构尺寸链的概念,以及基于深度优先算法的二维装配尺寸链搜索方法。
- The flier is flying a new-type jet plane on trial. 飞行员正在驾驶一架新式喷气机作试验飞行。
- Some key technology in assem bly design is solved as follows: definition of basic class component parts, esta blishment of assembly modeling, dimension chain of geometry constraint and assig nment of components in assembly modeling. 解决了装配设计中的几个关键问题:装配模型中基类零件的定义、装配模 型的建立、装配图中零部件几何约束尺寸链、装配图中零部件位置确定。
- In the case of different methods for ensuring the assembly accuracy,some problems should be paid attention to when ascertaining composed link dimension tolerance by using assembly dimension chain. 针对保证装配精度的不同方法,指出在机械产品设计中用装配尺寸链确定组成环尺寸公差时应注意的问题,用实例说明了在机械产品的装配、修配及维修过程中尺寸链的分析方法。
- The reason for noncoplane generated by space four latera during machining is analysed. The way for rational marking standard space plane dimensions and its theoretical bases are expounded. 分析空间四边平面加工过程中产生不共面的原因,提出了合理标注空间平面尺寸的方法并阐述了其理论根据。
- The paper mainly solves the problem of reasonable dimensioning parts with the help of the concept of dimension chain. 因此,零部件图样上标注尺寸除应满足"正确、完整、清晰"外,还应做到合理。
- The landscape unrolled under the speeding plane. 大自然的景色展现在快速飞行的飞机之下。