首页|Design on Hybrid Ceramic Bearing Based on Water Based Fluid with Controllable Viscosity
Design on Hybrid Ceramic Bearing Based on Water Based Fluid with Controllable Viscosity
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NETL
NSTL
Trans Tech Publications Ltd
This paper presents a high-speed high-precision spindle system with hybrid ceramic bearing, along with its lubricant design and numerical calculation method. A green and viscosity controllable water based fluid as lubricant of the spindle was designed. Viscosities as a function of temperature were tested. Subsequently, numerical calculation was used to deduce a serious of bearing performances. Based on the results rate of the permeation of porous restrictor, some bearing structure parameters and relative optimum lubricant viscosity were determined. The results of thermal elastohydrodynamic simulation and rotor dynamic analysis indicate that the design of the hybrid ceramic bearing meets security and performance specifications. Finally the structure arrangement of the spindle system was finished.
high speed spindlehydrodynamic bearingsceramic bearingswater based fluid
Feng Liu、Bin Lin、Zhanbin Wang
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The State Education Ministry Key Laboratory of Advanced Ceramics and Machining Technology,Tianjin University, Tianjin 300072, China
NETL
NSTL
Trans Tech Publications Ltd
