This paper mainly introduces the application of thermal error compensation function of HNC-8 in CNC milling machine.
本文主要介绍了华中8型数控系统热误差补偿功能在数控铣床上的应用。
A neural network based on radial basis function (RBF) was used to predict and compensate the thermal error of a CNC turning center.
文中使用径向基函数理论建立了基于RBF神经网络的数控机床热误差数学模型。
The basic principle and method of time series analysis and its application in thermal error modeling on NC machine tools were presented.
提出了采用时间序列分析法进行机床热误差建模的基本原理及方法,及其在数控机床热误差补偿建模中的应用。
The basic principle and method of grey system model and its application in thermal error modeling on machine tools had been presented briefly.
提出了采用灰色系统模型进行机床热误差建模的基本原理及方法,以及其在机床热误差补偿建模中的应用。
Compared with the model building method based on thermal error, it was more direct for measurement. And the measured data could also be reduced accordingly.
这与传统的热误差建模方法相比,其优点为测量方式更为直接,所需测量的对象也相应的减少。
The result of proposed modeling method indicates that it can highly improve the robustness, versatility and precision of the thermal error compensation model.
研究结果表明使用本方法可大大提高热误差补偿模型的鲁棒性、通用性和精度。
The main research theme of this dissertation is sensor placement optimization and temperature measurement system in thermal error compensation of machine tools.
本文以研究机床热误差补偿中温度传感器的优化布置和新型测温系统的开发为主要内容。
In the technology of thermal error compensation in NC machine tool, selecting the temperature variables rationally is key for setting the model of compensation.
在数控机床热误差控制补偿技术中,合理选择温度变量,是建立补偿模型的关键所在。
Based on the theory of MBS, presenting the comprehensive errors model consisting of offset probe errors, geometric errors, screw thermal error and spindle error.
以多体系统理论(MBS)为基础,建立了包含测头误差、机床几何误差、丝杠和主轴热误差的综合误差补偿模型。
The validity of the method used for choosing optimal temperature measured points, modeling and compensating thermal error of the machine is experimentally confirmed.
应用表明这是一种在机床温度测量、热误差建模及补偿中选择最佳测温点的有效方法。
In this paper, the thermal error calibration principle of precision machines is presented, and the accuracy index of active calibration thermal deformation is proposed.
研究精密机械热误差校正的机理,提出主动热校正控制变形误差的精度指标。
The methods to reduce the machine tool thermal deformation are: thermal error modeling and compensation, temperature control, optimization design of thermal state characteristics.
减少机床热变形的方法为:进行热误差建模和补偿,温度控制,热态特性优化设计。
A new methodology used to solve the problem of the selection of key thermal points of the CNC machine tool thermal error based on the grey synthetic degree of association was proposed.
针对机床热误差建模技术当中温度布点选取的问题,提出了基于灰色综合关联度进行数控机床热误差建模的关键温度测点选取的新方法。
In this paper, two new methods of thermal error robust modeling for NC machine tools are proposed: one is the comprehensive extreme value method, the other is the optimal experiment design method.
提出数控机床热误差鲁棒建模的综合极值法和优化试验设计法两种新方法。
However, for the metal mechanical parts which are processed by mechanical method, the influence of its inner residual stress on the thermal deformation error should be considered.
然而,对于由机械加工获得的金属机械零件,必须考虑零件内存在的残余应力对热变形误差的影响。
Temperature distribution predicted by last two circles can be the basis on thermal fault diagnosis for satellites. Meanwhile the error accumulation can be avoided.
由于采用相邻的两圈预测下一圈的温度分布,因此可以作为卫星热故障诊断的依据,避免了误差的积累。
Based on an exact mathematic model, a measurement method regarding core thermal power of nuclear power pressurized water reactor and its error analysis were presented in this paper.
通过建立精确的数学模型,提出了一种测量核电站压水反应堆堆芯热功率的方法,并对该方法进行了误差分析。
This subject is about thermal deformation error detection and compensation of an YKX3132G six axes CNC gear-hobber machine's worktable in X axis direction.
本课题针对在KX3132G型六轴数控滚齿机床加工过程中,工作台热致变形产生的X轴方向上的误差进行测量与补偿。
In the process of ball screw grinding, the thermal deformation error caused by grinding heat is one of the main error that affect the precision of ball screw.
在丝杠磨削加工中,由磨削热引起的热变形误差是影响丝杠精度的一个主要误差。
Because of the obvious spectral choice of IR thermal camera response and atmospheric attenuation and some objection's radiance, it can cause error when data processing based on waveband.
由于热像仪响应、大气衰减以及有些目标辐射明显的光谱选择性,基于波段处理会带来测量误差。
The influence of thermal deformation on measuring error is considered.
对测量装置结构进行优化设计,减小热形变的影响;
Thermal deformation error of Phased Array Antenna is one of the most primary factor that influent electrical performance of antenna, so it is very necessary to lucubrate.
相控阵天线的热变形误差是影响天线电性能的主要因素之一,因此有必要对其做深入研究。
The system can automatically compensate and calibrate the pressure sensor's zero point error, sensitivity error and thermal drift.
该系统能对压力传感器的零点误差、灵敏度误差和温度漂移进行自动的补偿校正。
It may be used to determine the effects of bore curvature thermal deflection of the tube eccentricity of the projectile interior ballistics data and construction of gun tube on dispersion error.
可用于确定内膛弯曲度、身管热变形、弹丸偏心率、内弹道诸元和身管结构等对射弹散布的影响。
It may be used to determine the effects of bore curvature thermal deflection of the tube eccentricity of the projectile interior ballistics data and construction of gun tube on dispersion error.
可用于确定内膛弯曲度、身管热变形、弹丸偏心率、内弹道诸元和身管结构等对射弹散布的影响。
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