A composite tolerance design method is proposed for dimensional tolerances and geometric tolerances.
提出尺寸公差与形位公差的混合设计方法。
Size tolerance, surface roughness, geometric tolerance and material requirements are supposed to be contained in technical requirements.
技术要求应包括尺寸公差，表面粗糙度，形位公差，材料等要求。
It is reasonable that the geometric tolerance model expressed by this method can effectively define and interpret the current national standard of tolerance.
用该方法表示的几何公差模型能合理地、有效地定义和解释当今的国家公差标准。
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和形位公差综合设计的总体框架和原型系统。
Representation of tolerances is a basis for tolerance analysis and synthesis. Proposes a computer-aided representation method to represent geometric tolerances.
公差的存储表示是公差分析和公差综合的基础，提出一种几何公差的计算机辅助表示方法。
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.
在考虑了装配公差和形状位置公差的条件下，采用极大极小法，给出了该型发射装置改进后的平行度计算方法。
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。
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。
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.
三坐标测量机可对各种零件进行几何元素和形位公差的测量。
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.
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；
The algorithm makes full use of geometric information of intersecting lines to speed up the calculation according to the arc height tolerance.
在跟踪求交的算法中充分利用了交线的几何特性，按等弓高误差快速精确地求取曲面上的交线。
A synthesizing method is developed to establish a mathematical model for describing the machining tolerance which synthesizes bo th the geometric and physical tolerance.
提出误差集聚法，可建立多误差因素共同作用下的切削加工数学模型，使之纳入机床加工过程的几何与物理误差。
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.
这一次焦点显得有些模糊，这是由于光线跟踪软件的误差造成的，这个误差是允许的。
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.
这一次焦点显得有些模糊，这是由于光线跟踪软件的误差造成的，这个误差是允许的。
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