Spiral Grooved Aerodynamic Thrust Bearings Functioning as a Viscous Vacuum Pump for a Laser Scanner Motor

Nobuyuki TAGUCHI; Shigeka YOSHIMOTO; Shinsuke DANBARA

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Spiral Grooved Aerodynamic Thrust Bearings Functioning as a Viscous Vacuum Pump for a Laser Scanner Motor

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摘要

This paper proposes spiral grooved aerodynamic thrust bearings functioning as a viscous vacuum pump for a laser scanner motor in order to reduce the windage power loss of a polygon mirror. The proposed bearing can pump out air within the scanner housing by using the pumping effect of the spiral-grooved thrust bearing, and reduce the inner pressure of the housing. The pumping performances and the static characteristics of the proposed bearings are investigated numerically and experimentally. It was consequently found that the proposed bearing can reduce the inner pressure of the housing to less than 0.01 MPa and have the sufficient load carrying capacity to support the rotating shaft.

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来源
《精密工学会誌》 |2001年第8期|1244-1248|共5页
作者
Nobuyuki TAGUCHI; Shigeka YOSHIMOTO; Shinsuke DANBARA;
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原文格式 PDF
正文语种日语
中图分类机械制造工艺;仪器、仪表;
关键词
aerodynamic bearing; spiral grooved bearing; viscous vacuum pump; static characteristics; laser scanner;

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机译：Study of Groove Parameters on the Hydrodynamic Behavior of Spiral-Grooved Thrust Bearing with Gas Lubricant
2. The Influence of Ambient Pressure on the Measured Load Capacity of Bump-Foil and Spiral-Groove Gas Thrust Bearings at Ambient Pressures up to 69 Bar on a Novel High-Pressure Gas Bearing Test Rig [J] . Wilkes Jason, Cater Ryan, Swanson ErikPassmore KevinBrady Jerry Journal of engineering for gas turbines and power: Transactions of the ASME . 2022,第6期

机译：The Influence of Ambient Pressure on the Measured Load Capacity of Bump-Foil and Spiral-Groove Gas Thrust Bearings at Ambient Pressures up to 69 Bar on a Novel High-Pressure Gas Bearing Test Rig
3. A methodology for performance prediction: Hydrodynamic investigation of spiral grooved thrust bearing [J] . Mishra Hara Prakash, Behera Suraj Kumar Lubrication Science . 2023,第6期

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Spiral Grooved Aerodynamic Thrust Bearings Functioning as a Viscous Vacuum Pump for a Laser Scanner Motor

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