公差等级

相对公差等级法解尺寸链

Solve the dimensional chains with the methods of the relative tolerance grade

公差等级与精度等级及应用柚品种间的耐寒性差异及其机理

Tolerance Grade and Precision Grade and Their Application Differences of cold tolerance of pomelo cultivars and their mechanisms

对于精度较高的轴承，应使用相应较高的公差等级。

For bearings with higher accuracy , correspondingly better grades should be used .

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 .

以引信公差等级指标为例构建了隶属函数。

Attributes to the function for the case of fuze tolerance grades have been taken as examples .

现在此文介绍一种依据各组成环的功能要求及其结构的工艺性预先假定各组成环的公差等级系数进行计算，然后再进行圆整式的调整，这样才比较合理。

Now , This paper introduce the compute That assume their tolerance unit coefficients of each consisting link member in advance according to their functional relations and compostion technologies , Then round the result to the reasonable values .

为了获得合格的冲裁件，在模具设计中应根据冲裁件的尺寸和公差等级、冲裁间隙、模具磨损规律、模具制造方法和成本等来确定凸、凹模的刃口尺寸和公差。

To acquire qualified punching workpieces , die designs should base on the workpiece sizes and tolerance classes , die clearance , die wear regulation and die manufacturing approaches , which determine the sizes and tolerances of convex die and concave die .

尺寸公差的精度等级自动转换

Automatic transform the dimension tolerance into precision grade

分析了基本尺寸、尺寸公差及公差等级之间的关系；

The relation among the basic size , common size difference and crmmon difference grade is analyzed , which determines the form of size mark .

该软件采用交互式窗口，操作简单，能迅速正确地确定齿轮三个公差组精度等级、齿厚极限偏差、各公差组的检验项目及其公差值。

This software used an interactive window , so the operation is simple , and can define rapidly correctly three gear tolerance classes , the tooth thick limit deviation , various tolerance class test item and the value of tolerance .