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    • 48. 发明专利
    • BORING DEVICE
    • JP2001179513A
    • 2001-07-03
    • JP37481199
    • 1999-12-28
    • MITSUBISHI HEAVY IND LTD
    • IMAIZUMI NAOHITOSUZUKI TAKESHIARIKI TOSHIICHI
    • B23B39/00B23B5/00
    • PROBLEM TO BE SOLVED: To provide a boring device capable of easily simplifying the cutting work of an inner peripheral face and end faces of a bore part, and improving the working efficiency. SOLUTION: This boring device 1 used for cutting an inner peripheral face, end faces or the like of a stern tube ST as bore parts, comprises a driving shaft 2 mounted on the stern tube ST, and rotationally driven, tool rests 11, 12, 13, 14 slidable to the driving shaft 2, a bite 25 movable to the tool rests 11-14, a tool rest feeding mechanism 17 advancing and retracting the tool rests 11-14 in the axial direction of the driving shaft 2, a bite feeding mechanism 28 advancing and retracting the bite 25 in the radial direction of the stern tube ST, cutting amount detecting sensors S1, S2, S3, S4 detecting a cutting amount by the bite 25, and a power source controller 10 for controlling the tool rest feeding mechanism 17 and the bite feeding mechanism 28 on the basis of the detection values of cutting amount detecting sensors S1-S4.