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Study on the Quasi-zero stiffness vibration isolation system: Doctoral thesis of Mechanical Engineering/ Vo Ngoc Yen Phuong; Le Thanh Danh, Nguyen Minh Ky (Scientific supervisors) . -- Ho Chi Minh City: Ho Chi Minh City University of Technology and Education, 2022
210 p hcmute 04/05/2023 239 1
Từ khóa: Oscillate, Stiffness vibration isolation system, Technical fluctuations, Le Thanh Danh, Nguyen Minh Ky, Võ Ngọc Yến Phương
An Approach to Improve on Stiffness for Aerostatics Bearing
The Pocketed orifice structure for the air-nozzles of an aerostatic bearing is usually a particular pocketed orifice. This structure can not help the shaft to reach high stiffness in working process, so the applicability of the aerostatic bearing in machines with large centrifugal or horizontal foree is not focused.
7 p hcmute 07/06/2019 439 2
Từ khóa: Pocketed orifice, aerostatic bearing, stiffness, eccentricity, air pressure
Medium-sized cylindrical grinding machines are used for semi-fine machining and fine machining of cylindrical parts wwith suitable harness. Stability of the center spindle grinding machine during machining has a decisive influence on the surface quality of the workpiece. One of the main indicators of the stability of the spindle is it stiffness in the machining process. The spindle of grinding machine is supported by hydronamic bearing with...
9 p hcmute 06/06/2019 366 2
Từ khóa: Hydrodynamic bearing spindle, stiffness of hydrodynamic bearing, spindle grinding machine, hydrodynamic pressure
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