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1)  geometric lost motion
几何回差
1.
Quantitatively analySes error factors that affect geometric lost motion of cycloidal gear, andbuild up mathematical model on the ge0mertic lost motion ca1cutation of cycloidal gear.
定量地分析了各种误差因素对摆线针轮行星传动几何回差的影响,并建立了计算摆线针轮行星传动几何回差的数学模型。
2.
AnalySes and builds up the mathematical model on the geometric lost motion calculationof high accurate RV reducer used in robot, which can be verified through computer simulation andproductive practice.
分析并建立了机器人用高精度RV减速机几何回差计算的数学模型,并通过计算机模拟与生产实践予以验证。
2)  geometric error
几何误差
1.
Synthetical modeling on geometric error and thermal error of direct-drive hobbing machines;
零传动滚齿机几何误差和热误差综合建模
2.
Geometric Error Modeling and Measurement of Five-axis NC Machine Tools;
五轴数控机床几何误差建模与测量技术
3.
Research on Geometric Error Compensation Technology for 3-axis NC Milling Machine
三轴数控铣床几何误差软件补偿技术研究
3)  Geometric Errors
几何误差
1.
The modeling analysis and compensation tactic of geometric errors for machining center;
加工中心几何误差建模分析与误差补偿策略
2.
In order to enhance the measurement precision of the cantilever type CMM,this paper introduces the quasi-rigid body mathematical model developed by analyzing every errors sources and depending on the theory of homogeneous coordinate and offers geometric errors model specially designed to compensate for the 21 geometric errors with a greater impact on measuring accuracy.
为提高悬臂式三坐标测量机的测量精度,对其各项误差源进行了分析,使用齐次坐标变换理论建立了测量机的准刚体测量模型,并在其基础上建立了几何误差模型对影响测量机精度较大的21项几何误差进行补偿。
4)  geometry warp
几何偏差
1.
Analyse geometry warp between faucet body of stopcock and its plug becarse processing method and technics was analyzed;several methods of eliminating cone surface processing warp were Introduced and the best sealing effect was achieved.
分析了旋塞阀旋塞体与塞子锥面因加工方法与工艺不当而产生的几何偏差,给出了消除锥面加工产生偏差的几种方法。
5)  geometry error
几何误差
1.
Several coordinate measuring machine geometry error models of several kinds in common use are analyzed in this paper.
分析了坐标测量机几何误差的几种常用模型,提出了基于神经网络的单项几何误差模型。
6)  geometrical aberrations
几何像差
1.
Based on curvilinear trajectory equations,the geometrical aberrations and their coefficients with second order approximation have been discussed,and the computational form also given in the paper.
由二级近似下的曲轴轨迹方程出发 ,探讨了静电曲轴宽电子束二级几何像差及其系数 ,并给出了适于计算的形式 。
补充资料:几何标准差
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性质: 若一组测定值,取对数后遵从正态分布,则称其遵循对数正态分布,其方差为将取反对数之后,称为几何方差,其方根值称为几何标准差。

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