Drive and mounting for an open-end spinning unit

Details Drive and mounting for an open-end spinning unit Drive and mounting for an open-end spinning unit

1982-12-15

1985-10-01

Petrakes, John

Textiles: spinning, twisting, and twining

Apparatus and processes

Open end spinning

57100, 57130, 57407, 57415, 384119, 384124, 384230, 384231, D01H 7882, D01H 1244, D01H 712

Patent

active

045437807

ABSTRACT:
In order to be able to achieve, in yarn manufacture, the very high speeds required by the textile industry in open-end spinning devices, for the purpose of increasing production, and in order to achieve high operating reliability and a long life of the spinning devices, the rotor which rotates at high speeds and is subject to a variable imbalance and which is guided in gas-dynamic radial plain bearings is guided in a bearing carrier which is elastically pivotable in relation to the rigid bearing journal. At the same time, the bearing journal is connected, but so as to be elastically pivotable, to the bearing carrier via a bearing-body joint. A first gas-dynamic radial plain bearing, which is located in the region in the center of gravity of the rotor, is arranged on the bearing carrier, and a second gas-dynamic radial bearing is arranged at the opposite end of the bearing carrier. An elastic support is provided in the region of the second gas-dynamic radial plain bearing for assisting the elastically pivotable mounting. As a result of this constructive measure, the inertia forces and gyroscopic moments applied by the rotor are decoupled from the radial plain bearings.

REFERENCES:
patent: 3105164 (1963-09-01), Favrot
patent: 3241304 (1966-03-01), Mattingly et al.
patent: 3416300 (1968-12-01), Schenkel
patent: 3875732 (1975-04-01), Ellingham
patent: 3918248 (1975-11-01), Suzuki
patent: 3924398 (1975-12-01), Essen et al.
patent: 4022008 (1977-05-01), Pimiskern et al.
patent: 4070813 (1978-01-01), Quandt et al.
patent: 4112663 (1978-09-01), Chrtek et al.
patent: 4242858 (1981-01-01), Dschen
patent: 4306166 (1981-12-01), Quandt

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