1) precision measurement and detection
加工精度检测
1.
Aimed at electro-discharge machining(EDM) of shrouded blisk,a special CAD/CAM system(BliskCad/Cam) was developed to implement 3-D parameterized automatic reconstruction of blisks,parameterized and intelligent design and machining of electrode,searching tool path for multi-axis NC-EDM,machining simulation and precision measurement and detection,etc.
针对带冠整体涡轮盘电火花加工存在的难题,在UG平台上开发了带冠整体涡轮盘电火花加工专用CAD/CAM系统——BliskCad/Cam,实现了计算机辅助涡轮盘自动化参数化三维重构、电极智能化参数化设计与制造、加工轨迹搜索、加工过程仿真、加工精度检测等功能。
2) machining accuracy prediction
加工精度预测
1.
A formation mechanism of machined workpiece surface and a modeling method of machining accuracy prediction for CNC machine tools are studied based on the multibody system theories.
研究了基于多体系统理论的数控机床加工工件表面建模和加工精度预测建模的机理,基于虚拟加工技术,开发出了数控机床加工精度软件预测系统。
3) precision measurement
精度检测
1.
This method can be widely applied into measuring miller cutting disc of the LSAW pipe production unit,SSAW pipe production unit,ERW pipe production unit,consequently solved the problem of precision measurement blade position of miller cutting disc,and this method is simple and easy to operate.
该检测方法可普遍应用于螺旋与直缝埋弧焊管、ERW焊管等机组的铣边机刀盘检测,从而解决了铣边机铣刀盘刀片定位精度检测的难题,且精度高,易于操作。
4) precision testing
精度检测
1.
Axis sloshing and dynamic target precision testing;
轴系晃动与动态靶标精度检测
2.
Research on positioning precision testing methods in GPS continuously operating reference station system;
GPS连续运行参考站系统定位精度检测方法研究
3.
The positioning precision testing methods of CORS were introduced and discussed.
分析与探讨了目前对GPS连续运行参考站系统实时定位精度检测的方法,并选用其中的3种方法对北部湾CORS系统实时定位精度进行了检测,其结果表明,综合使用几种方法可以较全面有效地分析北部湾CORS系统在其覆盖区域的实时定位精度。
5) detection precision
检测精度
1.
The factors that affect detection precision include: visual acuity filter; signal sampling rate Fs; the quantification number in the transformation of A/D; the influence of data bulk; the grade series when Pst is taken using CPF curve.
影响检测精度的因素包括:视感度滤波器的逼近;信号采样率Fs;A/D转化时的量化位数;数据量的影响;用CPF曲线求取Pst时的分级级数。
2.
Analyssing detailly, vibration of workpiece by the method of computer numeric calculation and studying the effect of vibration for online detection precision in data sige, Experimental results sh.
本文首先建立了车床的7个自由度的简化动力学模型，运用模态分析理论对机床的振动特性做了深入的讨论，并提出将工件作为质量连续分布的弹性梁，用计算机数值计算的方法对工件的振动做了详尽的分析，并定量地分析了振动对在线检测精度的影响。
3.
In order to overcome such disadvantages as high computational cost and low detection precision existing in the speaker change detection with the Bayesian information criterion(BIC) algorithm,a modified BIC algorithm is proposed.
针对贝叶斯信息准则(BIC)算法在说话人改变检测中计算量大、检测精度低的问题,文中提出了一种改进的BIC说话人改变检测算法。
6) measuring accuracy
检测精度
1.
The lime milk measuring accuracy was improved through scientific measuring methodes,logical corrective factor,and narrow sampling frequency.
介绍了德兴铜矿石灰乳检测方法 ,并从检测方法的科学性、修正系数的合理性及取样频率的严密性三方面对检测精度进行了论
2.
The authors introduce the principle of rebar locator and its operation procedures, analyze the factors which affect the measuring accuracy and propose several methods to improve it.
文中介绍了钢筋定位仪的工作原理和检测时的工作步骤,并分析讨论了影响其检测精度的有关因素及提高精度的措施。
补充资料：各种加工方法的加工精度
| 加工方法 | IT等级 | |||||||||||||||||
| 01 | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | |
| 研磨 | ||||||||||||||||||
| 珩 | ||||||||||||||||||
| 圆磨 | ||||||||||||||||||
| 平磨 | ||||||||||||||||||
| 金钢石磨 | ||||||||||||||||||
| 金刚石镗 | ||||||||||||||||||
| 拉削 | ||||||||||||||||||
| 铰孔 | ||||||||||||||||||
| 车 | ||||||||||||||||||
| 镗 | ||||||||||||||||||
| 铣 | ||||||||||||||||||
| 刨插 | ||||||||||||||||||
| 钻孔 | | |||||||||||||||||
| 滚压、挤压 | | |||||||||||||||||
| 冲压 | | |||||||||||||||||
| 压铸 | ||||||||||||||||||
| 粉末冶金成形 | ||||||||||||||||||
| 粉末冶金浇结 | ||||||||||||||||||
| 砂型铸造、气割 | ||||||||||||||||||
| 锻造 | ||||||||||||||||||
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条