Research on Life Prediction of Fan Spindle Bearing Based on Gated Recurrent Unit Neural Network [PDF]
E3S Web of Conferences, 2021 In order to solve the problems of redundancy calculation and inefficiency of traditional machine learning algorithm in dealing with large amount of historical data of fan, a new predictive algorithm based on gated recurrent unit (GRU) is proposed to ...
Ma Jianeng
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Design of Compound Machine Tool for Ultra-Precision Shaft Parts [PDF]
MATEC Web of Conferences, 2020 Ultra-precision shaft components are widely used, such as the shaft core of air-floating spindle, etc. At present, the final precision of such workpieces are difficult to reach through CNC machining tools, but often with the help of manual grinding, of ...
Sun Zizhou +5 more
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An investigation into reducing the spindle acceleration energy consumption of machine tools [PDF]
, 2016 Machine tools are widely used in the manufacturing industry, and consume large amount of energy. Spindle acceleration appears frequently while machine tools are working. It produces power peak which is highly energy intensive. As a result, a considerable
Jia, Shun +5 more
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Distributed machining control and monitoring using smart sensors/actuators [PDF]
, 2004 The study of smart sensors and actuators led, during the past few years, to the development of facilities which improve traditional sensors and actuators in a necessary way to automate production systems. In an other context, many studies are carried out
Desforges, Xavier +3 more
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Static analysis of multi-support stepped spindle shafts with nonlinear elastic bearings
Bulletin of the National Technical University «KhPI» Series: Dynamics and Strength of Machines, 2022 In this paper a mathematical model and a computational technique for the static analysis of multi-support stepped spindle shafts on nonlinear elastic supports are presented. On the basis of the Timoshenko differential equation of the beam's bent axis and the method of initial parameters, a resolving system of equations is obtained that takes into ...
Valerij Havin +2 more
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PASSIVE TORQUE SIMULATION OF SMALL ANGULAR CONTACT BEARING AT HIGH SPEED [PDF]
, 2017 Description of common ball bearing torque models was presented and adopted to the complex thermo-mechanical model of the high speed spindle. Ball bearing passive torque was measured on the own high-speed spindle design.
Kekula J., Smolík J., Sulitka M.
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Mechatronics of a ball screw drive using a N degrees of freedom dynamic model [PDF]
, 2017 High performance position control in machine tools can only be achieved modelling the dynamic behavior of the mechatronic system composed by the motor, transmission and control during the design stage.
Ansoategui Belategui, Igor +1 more
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Static analysis of multi-turn stepped spindle shafts on nonlinear elastic supports
Bulletin of the National Technical University «KhPI» Series: Dynamics and Strength of Machines, 2023 In this paper a mathematical model and a computational technique for the static analysis of multi-support stepped spindle shafts on nonlinear elastic supports are presented. On the basis of the Timoshenko differential equation of the beam's bent axis and the method of initial parameters, a resolving system of equations is obtained that takes into ...
Valerii Havin +2 more
openaire +1 more source
Perbandingan Eksperimental dan Simulasi Frekuensi Pribadi pada Struktur Spindel CNC
Rekayasa Mesin, 2020 The Research was about the comparison between experiment and simulation of natural frequency in CNC spindle. CNC spindle vibration will reduce machine tool performance. It could lead to the damage of the machine tool.
Hendri Van Hoten +3 more
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A study of thermo-elastic characteristics of the machine tool spindle [PDF]
MATEC Web of Conferences, 2019 In order to avoid the failure of machine tools spindles in the real machining process due to an increase in temperature, it is essential to predict its thermal behavior in the designing phase.
Zivkovic Aleksandar +4 more
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