Method of manufacturing rolling bearing device
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United States of America Patent
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Dec 31, 2013
Grant Date -
Mar 31, 2011
app pub date -
Sep 23, 2010
filing date -
Sep 25, 2009
priority date (Note) -
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status (Latency Note)
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Abstract
A method of manufacturing a rolling bearing device which can improve operational efficiency and can enhance productivity thereof is provided. The method includes the steps of: applying an adhesive agent to fitting portions formed between inner rings of two rolling bearings which are arranged coaxially in a spaced-apart manner in an axial direction and a shaft which is fitted in the inner rings and fitting portions formed between outer rings of two rolling bearings and a sleeve which is fitted on the outer rings; bringing the inner rings and the shaft into fitting engagement and the outer rings and the sleeve into fitting engagement respectively; and welding, in a state where the inner rings to which the adhesive agent is applied in the adhesive agent applying step are brought close to each other due to pushing of the inner rings in the axial direction, the pushed inner rings to the shaft by laser welding using laser power which does not generate thermal deformation of the pushed inner rings.
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