Results 11 to 20 of about 124,616 (302)

Real-Time Compensation for Thermal Errors of the Milling Machine [PDF]

Applied Sciences, 2016
This paper is focused on developing a compensation module for reducing the thermal errors of a computer numerical control (CNC) milling machine. The thermal induced displacement variations of machine tools are a vital problem that causes positioning errors to be over than 65%.
Tsung-Chia Chen, Chia-Jung Chang, Jui-Pin Hung, Rong-Mao Lee, Cheng-Chi Wang   +4 more
openaire   +3 more sources

Geometric and Thermal-Induced Errors Prediction for Active Error Compensation in Machine Tools

Journal of Experimental and Theoretical Analyses
In this paper, an integrated geometric and thermal-induced errors prediction approach for active error compensation in machine tools is proposed and evaluated. The proposed approach is based on a hybrid of physical and neural network predictive modeling to drive an adaptive position controller for real-time error compensation including geometric and ...
Walid Chaaibi, Abderrazak El Ouafi, Narges Omidi   +2 more
openaire   +3 more sources

3-axis computer numerical control machine positioning error dataset for thermal error compensation. [PDF]

Data Brief
This article reports on a comprehensive dataset detailing positioning errors in a 3-axis milling center machine (MCM) with computer numerical control (CNC) specifically curated for thermal error compensation.
Farias A, Seriacopi V, Santos MOD, Bordinassi EC.   +3 more
europepmc   +2 more sources

A Review of Thermal Error Modeling Methods for Machine Tools

Applied Sciences, 2021
Thermal error caused by thermal deformation is one of the most significant factors influencing the accuracy of the machine tool. Compensation is a practical and efficient method to reduce the thermal error.
Yang Li, Maolin Yu, Yinming Bai, Zhaoyang Hou, Wenwu Wu   +4 more
doaj   +1 more source

Handling Ambient Temperature Changes in Correlative Thermal Error Compensation

Journal of Machine Engineering, 2023
Thermal errors are one of the lead causes for positioning inaccuracies in modern machine tools. These errors are caused by various internal and external heat sources and sinks which shape the machine tool’s temperature field and thus its deformation ...
Christian Naumann, Geist Alexander, Matthias Putz   +2 more
doaj   +1 more source

Prediction of Thermal Deformation and Real-Time Error Compensation of a CNC Milling Machine in Cutting Processes

Machines, 2023
This study constructs a prediction model of thermal deformation with an artificial neural network and implements the real-time error compensation for a three-axis vertical CNC milling machine in cutting processes to improve the thermal error of the ...
Dang-Khoa Nguyen, Hua-Chih Huang, Tzu-Chen Feng   +2 more
doaj   +1 more source

Novel Real-Time Compensation Method for Machine Tool’s Ball Screw Thermal Error

Applied Sciences, 2023
The real-time compensation of thermal error in ball screws is an effective means to improve the accuracy of machining tools. However, the trade-off between robustness and computational efficiency of existing ball screw thermal error models is complicated
Ren Rong, Huicheng Zhou, Yubin Huang, Jianzhong Yang, Hua Xiang   +4 more
doaj   +1 more source

Optimization of Characteristic Diagram Based Thermal Error Compensation via Load Case Dependent Model Updates

Journal of Machine Engineering, 2022
The compensation of thermal errors in machine tools is one of the major challenges in ensuring positioning accuracy during cutting operations. There are numerous methods for both the model-based estimation of the thermal tool center point (TCP ...
Christian Naumann, Janine Glänzel, Martin Dix, Steffen Ihlenfeldt, Philipp Klimant   +4 more
doaj   +1 more source

Mechanism and Compensation of Measurement Error Induced by Thermal Deformation of Digital Camera in Photo Mechanics

Applied Sciences, 2020
A thermal-induced measurement error induced by thermal deformation of digital camera in photo mechanics methods that has the same magnitude of the error as that in the resistance strain measurement method reduces the accuracy of high-precision ...
Shichao Zhou, Haibin Zhu, Qinwei Ma, Shaopeng Ma   +3 more
doaj   +1 more source

Vertical Machining Center Feed Axis Thermal Error Compensation Strategy Research

Applied Sciences, 2023
CNC machine tools are a measure of national manufacturing and comprehensive national strength and how to reduce CNC machine errors in modern industry has received much attention from all walks of life.
Bo Huang, Jiacheng Xie, Xiang Liu, Jiawei Yan, Kang Liu, Ming Yang   +5 more
doaj   +1 more source