Title:
VALVE SEAT MACHINING DEVICE, AND VALVE SEAT MACHINING METHOD USING SAID VALVE SEAT MACHINING DEVICE
Document Type and Number:
WIPO Patent Application WO/2016/204158
Kind Code:
A1
Abstract:
Provided is a valve seat machining device (1) for machining a valve seat (118) in a valve device (101) having a valve main body (110), which forms a passage for a fluid, and a valve driving unit (120), which drives a valve body (124) that can closely engage with the valve seat (118) in the valve main body (110), said valve seat machining device (1) comprising: a pedestal (10) that is mounted to the valve main body (110); a main body (20) that can move in two different axes relative to the pedestal (10); a supporting body (30) that can move in the driving direction of the valve body (124) relative to the main body (20); a main shaft (40) that can turn around an axis parallel to the driving direction of the valve body (124) relative to the supporting body (30); a tool holder (50) that holds a tool (T) for machining the valve seat (118), and can move in a direction that intersects the driving direction of the valve body (124) relative to the main shaft (40); and a control unit (60) that controls the movement of the supporting body (30) and the tool holder (50).
Inventors:
SUGITANI DAICHI (JP)
MATSUMOTO TAKAHIRO (JP)
MATSUMOTO TAKAHIRO (JP)
Application Number:
PCT/JP2016/067723
Publication Date:
December 22, 2016
Filing Date:
June 15, 2016
Export Citation:
Assignee:
MITSUBISHI HITACHI POWER SYS (JP)
International Classes:
B23B5/06; B23B41/00; B23B41/12; B23P6/00
Foreign References:
| JPS6199402U | 1986-06-25 | |||
| JPH04244301A | 1992-09-01 | |||
| JPS5328892A | 1978-03-17 | |||
| JP2006239836A | 2006-09-14 | |||
| JP3021143U | 1996-02-16 | |||
| JPS55151401U | 1980-10-31 |
Other References:
See also references of EP 3162477A4
Attorney, Agent or Firm:
MITSUISHI, Toshiro et al. (JP)
Toshiro Mitsuishi (JP)
Toshiro Mitsuishi (JP)
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