Results 31 to 40 of about 101 (93)
International Journal of Mechanical System Dynamics, Volume 5, Issue 2, Page 354-371, June 2025.ABSTRACT Ultra‐precision machining (UPM) has been extensively employed for the production of high‐end precision components. The process is highly precise, and the associated cost of production is also high. Optimization of machining parameters in UPM can significantly improve machining efficiency and surface roughness. This study proposes an innovative
Adeel Shehzad +5 more
wiley +1 more source
Ultrahigh-Speed Micro-Milling End Mill with Shank Directly Supported by Aerostatic Bearings
Journal of Advanced Mechanical Design, Systems, and Manufacturing, 2012 Recently, high-speed micro-milling has attracted considerable attention for effectively manufacturing fine and precise machine components with lower cutting resistance.
Fumitaka NISHIKAWA +2 more
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Dynamic Modeling of 5-DOF Aerostatic Bearing Rotor System with Adjustable Gas Film Gap
LubricantsIn the application of an aerostatic motorized spindle, given the different requirements for the optimal gas film thickness of gas bearing under various processing conditions, this paper puts forward the tapered aerostatic bearing as the radial support ...
Shuo Jia, Chenhui Jia, Yanhui Lu
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Механика машин, механизмов и материалов, 2020 The article presents the results of studies of the mechanism of the occurrence of axial vibrations in the mechanical system “electrospindle shaft with aerostatic bearings – cutting diamond disk – cuttable semiconductor wafer”. A mathematical model of the
Alexander E. Kovensky +2 more
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Evaluation of thermal stability of water-driven spindle
Nihon Kikai Gakkai ronbunshu, 2017 Recently, the ultra-precision parts have become essential in many areas of advanced technology, including medical equipment, aircraft equipment, optical equipment and so on.
Akio HAYASHI, Yohichi NAKAO
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LubricantsRotor machining errors strongly influence the air-film pressure distribution of aerostatic spindles and fundamentally limit performance enhancement. However, existing studies rarely provide a comprehensive statistical characterization based on measured ...
Wenbo Wang +4 more
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Nonlinear analysis and simulation of active hybrid aerodynamic and aerostatic bearing system
Journal of Low Frequency Noise, Vibration and Active Control, 2019 Active hybrid aerodynamic and aerostatic bearing system has gradually become more valued in recent years for its application in the precision machine field, especially for precision instruments and mechanisms that require high rotational speed, high ...
Cheng-Chi Wang +3 more
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Research on the Load Characteristics of Aerostatic Spindle Considering Straightness Errors
LubricantsAs the core component of ultra-precision machine tools, the manufacturing errors of aerostatic spindles are inevitable due to the limitations of machining and assembly processes, and these errors significantly affect the spindle’s static and dynamic ...
Guoqing Zhang +6 more
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Vibration Analysis of Bearing-rotor System Based on Nonlinear Dynamic Characteristics
工程科学与技术, 2019 With the wide application of the aerostatic spindle in the ultra-precision machining process, the requirements for the kinematic precision of the spindle are increasing.
Dongju CHEN +3 more
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STIFFNESS EVALUATION OF AEROSTATIC SPINDLE BASED ON NON-IDEAL CYLINDRICAL SURFACES
Jixie qiangdu, 2019 The non-ideal cylindrical surface model based on profile measurement was built by using Geomagic Studio software, and it was imported into UG12.0 to create the aerostatic bearing simulation model, which can be simulated by using ANSYS WORKBENCH software.
ZHAO ZeXiang +3 more
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