Boring machine having hydrostatic bearings

Details Boring machine having hydrostatic bearings Boring machine having hydrostatic bearings

1997-06-13

1999-08-10

Bagnell, David J.

Mining or in situ disintegration of hard material

Hard material disintegrating machines

Rotary cutter head with advance direction coincident or...

384110, 299 58, F16C 3206, E21C 100

Patent

active

059347619

ABSTRACT:
A boring machine having a cutter head rotatably mounted on a hydrostatic bearing. High pressure water is supplied to passageways between confronting bearing surfaces which react axial and radial loads and which are capable of relative rotational movement. The flow of pressurized water discharges from the passageways to prevent contamination of the bearing by the ingress of material removed by the cutter head in operation.

REFERENCES:
patent: 3917366 (1975-11-01), Mason
patent: 4692062 (1987-09-01), Akesaka
patent: 5618115 (1997-04-01), Yates

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