SPINDLE BEARING LUBRICATION STRUCTURE

PROBLEM TO BE SOLVED: To provide a spindle bearing lubrication structure wherein effectively utilizing the motor output in machining a work. SOLUTION: A spindle 20 has a tool-fitting screw hole 20g in the front end thereof, and is supported by a casing 10 via rolling bearings 22 and 28. A rotor 24 t...

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Bibliographic Details
Main Authors OUCHI HISAO, KASAI SHOJI, TAKAMURA SEIZO
Format Patent
LanguageEnglish
Published 20.05.2004
Edition7
Subjects
BEARINGS
BLASTING
COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOTDIRECTED TO A PARTICULAR RESULT
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g.ARRANGEMENTS FOR COPYING OR CONTROLLING
DYNAMO-ELECTRIC MACHINES
ELECTRICITY
ELEMENTS OR CRANKSHAFT MECHANISMS
ENGINEERING ELEMENTS AND UNITS
FLEXIBLE SHAFTS
GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS
GENERATION
HEATING
LIGHTING
MACHINE TOOLS
MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OFPARTICULAR DETAILS OR COMPONENTS
MECHANICAL ENGINEERING
METAL-WORKING NOT OTHERWISE PROVIDED FOR
PERFORMING OPERATIONS
ROTARY BODIES OTHER THAN GEARING ELEMENTS
SHAFTS
THERMAL INSULATION IN GENERAL
TRANSPORTING
WEAPONS
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Summary:PROBLEM TO BE SOLVED: To provide a spindle bearing lubrication structure wherein effectively utilizing the motor output in machining a work. SOLUTION: A spindle 20 has a tool-fitting screw hole 20g in the front end thereof, and is supported by a casing 10 via rolling bearings 22 and 28. A rotor 24 to constitute a motor is fixed to the spindle 20, and a stator 14 is disposed therearound. Nozzles 33 and 35 to feed oil mist are disposed on parts corresponding to the bearings 22 and 28. These nozzles 33 and 35 are provided to spray oil mist from the upstream side toward the downstream side in a rotational direction of the spindle 20 with respect to the bearings 22 and 28. COPYRIGHT: (C)2004,JPO
Bibliography:Application Number: JP20020309882