METHOD FOR THE SUPPORT OF A ROTATING WORKPIECE DURING GRINDING AND A HYDRODYNAMIC STEADY REST

European Patent Office Patent

PATENT NO 2162261
APP PUB NO EP-2162261-A2
SERIAL NO

08774703

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Abstract

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In a method for the hydrodynamic support and centering of a rotating workpiece during grinding and a steady rest usable for this purpose the bearing to be supported is impinged upon by a contact pressure which changes in accordance with rotational speed from a minimum pressure when the shaft is started from a standstill, to a maximum value during the processing rotational speed. The steady rest has an opening of a transversebore in a central bore receiving a supply line by which a lubricant can be supplied as hydraulic fluid to the bearing. The method is particularly suitable for the processing of camshafts and crankshafts.

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Patent Owner(s)

Patent OwnerAddress
ERWIN JUNKER MASCHINENFABRIK GMBHDEJUNKERSTRASSE 2 NORDRACH 77787

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Inventor(s)

Inventor Name Address
MUELLER HUBERT KRUMMACKER STR 34 D-7833 ENDINGEN
HIMMELSBACH GEORG 77716 HASLACH

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