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Digital Twin for Volumetric Thermal Error Compensation of Large Machine Tools [PDF]

Sensors
Machine tool accuracy is greatly influenced by geometric and thermal errors that cause positioning deviations within its working volume. Conventionally, these two error sources are treated separately, with distinct procedures employed for their ...
Beñat Iñigo, Natalia Colinas-Armijo, Luis Norberto López de Lacalle, Gorka Aguirre   +3 more
doaj   +5 more sources

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   +3 more sources

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

Data in 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.
Adalto Farias, Vanessa Seriacopi, Marcelo Otávio dos Santos, Ed Claudio Bordinassi   +3 more
doaj   +4 more sources

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   +2 more sources

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   +2 more sources

Real-time surrogate compensation architecture for machine-tool thermal error compensation with high-performance model

Discover Applied Sciences
Thermal error compensation based on high-performance (high-accuracy prediction of thermal errors under complex machining conditions and environments) models is of great significance to high-precision CNC machining. Currently, the high-performance thermal
Yubin Huang, Hongyou Hong, Huichen Zhou, Hua Xiang, Jianzhong Yang   +4 more
doaj   +2 more sources

Intelligent CNC control with improved adaptive thermal error compensation model

Journal of Vibroengineering, 2023
The thermal errors (TE) of computer numerical control (CNC) in workshop production seriously reduces the productivity. Therefore, to improve the productivity of CNC and enhance production intelligence, an improved adaptive TE compensation model (TECM) is proposed. The model is based on an online temperature measurement system (OTMS), which improves the
Hui Shen, Liu Yang
openaire   +2 more sources

Study on new thermal error compensation method for complex surface five-axis machining based on new experimental strategy

Advances in Mechanical Engineering
Five-axis machine tools are well-suited for processing complex surface parts. However, during the machining process, thermal error can have a significant impact on the machining accuracy.
Zheng Zou, Qingdong Zhou, Liang He, Zhengyuan Gao, Yong Yang, Jinghua Ma   +5 more
doaj   +2 more sources

High-precision compensation method for the form error of a glass aspheric lens in precision glass molding [PDF]

iScience
Summary: Addressing challenges in controlling viscoelastic shrinkage-induced thermal deformation errors in precision glass molding, this article proposes a mold compensation method that combines the pre-compensation of form error prediction based on ...
Chengsong Shu, Daoheng Zhang, Shaohui Yin, Shuai Huang, Cunhong Yin   +4 more
doaj   +2 more sources

Comparison of Basis Functions for Thermal Error Compensation Based on Regression Analysis – a Simulation Based Case Study

Journal of Machine Engineering, 2020
It is a well-known problem of milling machines, that waste heat from motors, friction effects on guides, the environment and the milling process itself greatly affect positioning accuracy and thus production quality.
Christian NAUMANN, Janine GLÄNZEL, Matthias PUTZ   +2 more
doaj   +2 more sources