Slide bearing assembly

Details Slide bearing assembly Slide bearing assembly

1998-02-02

1999-11-23

Footland, Lenard A.

Bearings

Rotary bearing

Plain bearing

384279, 384902, F16C 3310

Patent

active

RE0364053

ABSTRACT:
The improved slide bearing assembly comprises at least a shaft and a bush that is formed of a porous iron-base sintered material and is characterized in that the bush is impregnated with a lubricant oil having a viscosity of 240-1500 cSt. The bearing assembly can be operated in slow- and high-pressure applications without oil refillings for a prolonged period of at least several years. The shaft is preferably formed of an iron or a steel member that have been subjected to a treatment of surface modification. The slide bearing assembly is preferably used in such an environment that the working pressure applied to the sliding surfaces is at least 6.0 kgf/mm.sup.2 and that the sliding speed is in the range 2-5 cm/sec.

REFERENCES:
patent: 2266379 (1941-01-01), Floyd
patent: 3319314 (1967-05-01), Caubet
patent: 4371220 (1983-02-01), Brucher
patent: 4952328 (1990-08-01), Davis et al.
patent: 4981602 (1991-01-01), Ripple et al.
patent: 5401105 (1995-03-01), Suzuki et al.
"Iwanami's Dictionary of Physicochemistry", 4th Edition, p. 1276. (no date).
H. Detter, "Operating Behavior, Characteristics and Calculations for Sintered Bearings for Precision Mechanical Applications", VDI-Z, vol. 116, No. 4, Mar. 1974, pp. 305-310.
D. Netuschil, "Synthetische Schmierstoffe fur Sintermetall-Gleitlager", Maschinemarket, vol. 82, No. 34, 1976, pp. 608-611.
R. Kuhnel et al, "Werkstoffe fur Gleitlager", Springer-Verlag, Berlin/Gottingent/Heidelberg, DE, pp. 323-326, 345-348. (No date).

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