Abstract
The machining precision of the milling head is primarily affected by the thermal errors that originated from the thermal deformation. Thermal error compensation is an economical and efficient method to overcome these thermal errors. The milling head’s heat source is analyzed to calculate the thermal boundary load based on component parameters of the milling head. The milling head’s thermal deformation is then simulated using ANSYS software to achieve the milling head’s temperature distribution and the amount of thermal deformation. Through the design and construction of the milling head temperature and thermal deformation experiment platform, the thermal deformation experiment of the milling head is performed. Accordingly, the measuring point temperature and the tooltip offset are obtained. Finally, a thermal error compensation method is proposed based on the homogeneous transformation. The research results give a theoretical reference and technical support for the thermal error compensation, optimized design, and development of milling heads.
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Acknowledgments
This work was supported by Research Program supported by the Harbin University of Science and Technology-INNA High Speed Motorized Spindle Joint Laboratory Research Project and National Natural Science Foundation of China, No. 51675145, China.
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Yaonan Cheng is a Professor of the School of Mechanical and Power Engineering, Harbin University of Science and Technology, Harbin, China. His current research focuses on metal cutting theory and tool technology, high-speed cutting technology and efficient machining technology for difficult-to-machine materials.
Xianpeng Zhang is a master’s student of Harbin University of Science and Technology, Harbin, China. His current research focuses on high-speed cutting technology, metal cutting principles and tools.
Guangxin Zhang is a master’s student of Harbin University of Science and Technology. His main research focuses on high-speed cutting technology, metal cutting principles and tools.
Wenqi Jiang received a master’s degree from Harbin University of Science and Technology. His current research focuses on high-speed cutting technology, metal cutting principles and tools.
Baowei Li received a master’s degree from Harbin University of Science and Technology. His current research focuses on high-speed cutting technology, metal cutting principles and tools.
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Cheng, Y., Zhang, X., Zhang, G. et al. Thermal deformation analysis and compensation of the direct-drive five-axis CNC milling head. J Mech Sci Technol 36, 4681–4694 (2022). https://doi.org/10.1007/s12206-022-0829-8
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DOI: https://doi.org/10.1007/s12206-022-0829-8