Self-acting air bearing for high speed laser scanner

Details Self-acting air bearing for high speed laser scanner Self-acting air bearing for high speed laser scanner

1991-12-30

1994-05-10

Hannon, Thomas R.

Bearings

Rotary bearing

Fluid bearing

F16C 3206

Patent

active

053102630

ABSTRACT:
A self-acting air bearing operable at very high speed in a non-vertical spin axis in a beam scanning optical system provides precise rotation of a rotable hologon disk. Pretreatment of the bearing surfaces with a residual boundary lubricant allows reliable operation over an extended series of start/stop cycles. The tilt of the bearing/disk assembly allows the construction of an optical system more compact than in conventional hologon beam scanning systems.

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"NSK Grooved Hydrodynamic Bearings," NSK Corporation, Bearing Division, pp. 12: and 15.
NSK Report No. Kengai 489030, Mar. 1989, p. 3 (Table I); pp. 10, 11, 20.
The American Society of Mechanical Engineers, Transactions of the ASME, p. 2, col. 2: (Jnl. of Tribology, 90-Trib-43).
Optical Scanning, G. G. Marshall, p. 489, sect. 9.2.3. Dec. 1991.
Tribology Handbook, M. J. Neale, p. A10, "Self-Acting Gas Bearings", pp. B3 and B5, Boundary lubrication . . .

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