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

1985-05-28

Petrakes, John

Textiles: spinning, twisting, and twining

Apparatus and processes

Open end spinning

57100, 57404, 384119, 384124, 384230, 384231, D01H 7882

Patent

active

045192057

ABSTRACT:
So as to be able to achieve, in yarn manufacture, the very high speed required by the textile industry in open-end spinning devices, for the purpose of increasing production, the rotors which are connected to the spinning container including a spinning groove, are designed as a hollow shaft, and this hollow shaft is guided radially on a bearing journal located in the interior of the hollow shaft by means of gas-dynamic radial plain bearings designed as inner bearings. Gas-dynamic axial plain bearings are provided for the axial guidance of the rotor rotating at very high speed. The rotor together with the spinning container can be pushed in and out in a simple way from the spinning side, and to position the rotor over the entire speed range, permanent magnets are located in the bearing journal opposite the rearside of the spinning container and in an annular widened portion of the bearing journal.

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), Esser 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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