Results 21 to 30 of about 10,460,767 (272)
Machining Accuracy Enhancement of a Machine Tool by a Cooling Channel Design for a Built-in Spindle
Applied Sciences, 2020 This study presents a multiphysics simulation analysis that was performed for the cooling channel of a built-in spindle. The design of experiments (DOE) method was employed to optimize the dimension of the cooling channel, and a practical machining ...
Kun-Ying Li, Win-Jet Luo, Shih-Jie Wei
doaj +1 more source
Applied Sciences, 2023 Given motorized spindles’ extensive periods of prolonged high-velocity operation, they are prone to temperature changes, which leads to the problem of thermal error, leading to diminished precision in machining operations.
Ying Gao, Xiao-Jun Xia, Yinrui Guo
semanticscholar +1 more source
Comparative study of ANN and ANFIS prediction models for thermal error compensation on CNC machine tools [PDF]
, 2013 Thermal errors can have significant effects on CNC machine tool accuracy. The errors usually come from thermal deformations of the machine elements created by heat sources within the machine structure or from ambient change.
Longstaff, Andrew P. +3 more
core +3 more sources
Italian National Conference on Sensors, 2023 Establishing a mathematical model to predict and compensate for the thermal error of CNC machine tools is a commonly used approach. Most existing methods, especially those based on deep learning algorithms, have complicated models that need huge amounts ...
Xin-Yuan Wei +4 more
semanticscholar +1 more source
Micromachines, 2021 Hydrostatic guideways are widely applied in ultra-precision machine tools, and motion errors undermine the machining accuracy. Among all the influence factors, the thermal effect distributes most to motion errors.
Pengli Lei +4 more
doaj +1 more source
A Temperature Sensor Clustering Method for Thermal Error Modeling of Heavy Milling Machine Tools
Applied Sciences, 2017 A clustering method is an effective way to select the proper temperature sensor location for thermal error modeling of machine tools. In this paper, a new temperature sensor clustering method is proposed.
Fengchun Li +3 more
doaj +1 more source
Modeling and compensation of the axial thermal error of electric spindles based on HHO-GRU method
Proceedings of the Institution of mechanical engineers. Part B, journal of engineering manufacture, 2023 As the core component of precision CNC machine tools, a lot of heat is generated from the internal heat source of electric spindles during operation, resulting in thermal deformation and thermal errors that affect machining accuracy.
Yang Li +4 more
semanticscholar +1 more source
Thermal error modelling of machine tools based on ANFIS with fuzzy c-means clustering using a thermal imaging camera [PDF]
, 2015 Thermal errors are often quoted as being the largest contributor to CNC machine tool errors, but they can be effectively reduced using error compensation.
Longstaff, Andrew P. +5 more
core +1 more source
Applied Sciences, 2020 Due to the large size of the heavy duty machine tool-foundation systems, space temperature difference is high related to thermal error, which affects to system’s accuracy greatly. The recent highly focused deep learning technology could be an alternative
Yang Tian, Guangyuan Pan
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 +5 more
semanticscholar +1 more source