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    OIL AIR SUPPLY SYSTEM
    3.
    发明申请
    OIL AIR SUPPLY SYSTEM 审中-公开

    公开(公告)号：US20190195425A1

    公开(公告)日：2019-06-27

    申请号：US16191723

    申请日：2018-11-15

    申请人： OKUMA CORPORATION

    发明人： Satoshi Mizuno

    IPC分类号： F16N29/04 ,  F16N25/00 ,  F16N7/30

    CPC分类号： F16N29/04 ,  F16N7/30 ,  F16N25/00 ,  F16N2210/14 ,  F16N2210/26 ,  F16N2250/04 ,  F16N2250/40

    摘要： The oil air supply system includes a lubricant oil supply pipeline, a compressed air supply pipeline, a mixing device which distributes lubricant oil supplied from the lubricant oil supply pipeline in a fixed amount and mixes the lubricant oil with compressed air to generate oil air, a plurality of oil air supply pipelines which supply the oil air to a plurality of bearings of a main spindle device respectively, a flow rate sensor provided in the lubricant oil supply pipeline and detects the flow rate of the lubricant oil, a pressure sensor provided in the compressed air supply pipeline and detects the pressure of the compressed air, and an abnormality detection device which detects supply abnormality of lubricant oil based on a detection signal output from the flow rate sensor and detects supply abnormality of compressed air based on a detection signal output from the pressure sensor.