定位基准

此工装为举升机构的装配提供空间定位基准。

This technology equipment can provide a locating datum for mounting the lifting system .

定位基准选择正确与否，对于提高机械加工精度有着重要影响。

Whether the locating datum is chosen correctly or not influences the improvement of the machining precision greatly .

建立区域GPS综合服务系统代替离散、静态的区域定位基准，已成为进一步开发和应用GPS技术的新趋势。

It is new development trend to use Regional GPS integrative services system to replace scatter and static region location standard in GPS application field .

该文论述了最近研制成功的FMS装卸工作站计算机显示控制系统中，小碑夹具零件定位基准值的测量计算方法和测量显示软件。

The measuring and calculating method and software of a computerized measuring and displaying system used on the FMS are presented in this paper .

从RPS的组成人员、实施步骤和有关规则等方面，叙述了定位基准理论在车身精度设计上的应用，并以实例详细地介绍了在设计、生产中如何选取定位基准点和应用RPS。

From the aspects such as the personnel , process and relative rules of RPS etc , this paper also describes the application of reference position system ( RPS ) in precision design of body , and introduce in detail how to select RPS points and apply RPS .

连杆小头侧面定位基准加工的定位问题

Positioning of Processing for Side Datum of Connecting Rod Small End

关于柴油机气缸体加工定位基准通用工装浅谈

Cylinder Block Processing on the Base Position of General Machine

修复零件机械加工时定位基准的选择

The selection of the order datum of the components repaired

制定夹具定位基准，使车身零部件定位准确、可靠。

Develop fixture benchmark accurate positioning of the body parts , reliable .

套筒粗定位基准选择方法分析

Analyses on Select Way of Roughly Location Criterion for Sleeve

第四章，分析了零件的设计公差对定位基准决策的影响，研究了零件的公差约束及其表达；

In chapter 4 , the tolerance constraints of mechanical part is studied .

箱体类零件用平面定位基准定位时的夹紧力

Clamping Force Acting on the Box Type Parts when Positioning with Plane Reference

该方法采用相对测量原理获得零件定位基准的三维测量坐标值，保证了测量精度与测量效率。

The three dimensional coordinate is obtained based on the relative measuring principle .

装夹规划中确定工件定位基准的神经网络决策机制

Decision mechanism for workpiece locating datum based on neural network in setup planning

基于毛坯最佳匹配的曲轴定位基准的关键技术研究

Study of the Key Technology on Crankshaft Locating Basis Based on Optimum Blank Matching

数字山西空间定位基准建立的思考

The Thought about the Establishment of the Criterion of Spacial Orientation on Digital Shanxi

机器视觉对农田中定位基准线的识别

Machine vision recognizing position baseline in cropland

定位基准的自动优选原理与算法

Automatic optimal selection for the locating datum

介绍了零件机械加工的定位基准决策及夹紧方案设计的柔性化方法。

A flexible planning method for part locating and clamping is presented in this paper .

基于模糊综合评判的定位基准决策

About Fuzzy-Comprehensive-Evaluation-Based Decision of Location Datum

本文讨论了定位基准的概念，试图给出恰当的定位基准的定义。

This paper discusses the concept on position basis and attempts to give proper definition of it .

研究内容主要包括：（1）求解定位基准位置范围。

The research contents includes : ( 1 ) Calculate the range of the fixed position basis .

采用上置式量仪，定位基准差，测量精度不能保证。

With on-top measuring device , the measuring precision can not be guaranteed because of the poor positioning accuracy .

由于车身板件柔性易变形的特点，焊装定位基准的设计较为复杂。

Due to the lower rigidity of car body panel , the design of welding location datum is complex .

通过分析与比较，确定采用基于定位基准标志的定位方法具有更高的精度和速度。

Comparing both of them , the method of based-on the fiducial marks is used due to its high precision and rate .

结合工程实际，研究和总结焊装定位基准设计的方法和原则，并论述焊装定位系统的设计。

Based on the practical experience , the design method and principle is discussed , as well as the design of welding location datum system .

第一，针对内螺纹单针测量系统存在的定位基准误差，提出了双针测量的体系结构，并利用双测针结构对定位误差进行修正。

Firstly , considering the single probe system 's datum error , the paper puts forward a double probe system and modifies the datum error .

模板具有固定模具和运动导向的定位基准作用，其结构和受力比较复杂。

The platens of injection moulding machine have the roles of fixing moulding and guiding motion benchmark , they also have rather complex structure and force condition .

在空间自由曲面精度检验的自定位方法的基础上，提出了无定位基准的空间自由曲面精定位的基本思想。

Base on the self-positioning methods of accuracy inspection for free-form surface , this paper provides a basic idea of accurate-positioning methods of accuracy inspection for free-form surface .

考虑该零件表面结构的不规则性但有较高精度的孔需要加工，定位基准选择“一面双孔”是最佳的方法。

Consider to the irregularity components but have high accuracy holes to be processing . So ," two holes at a face " is the best localization plan .