发明公开
EP2186586A1 GROOVING WORK METHOD, AND GROOVING WORK APPARATUS
有权
VERFAHREN ZURAUSFÜHRUNGVON NUTARBEITEN UND VORRICHTUNG ZURAUSFÜHRUNGVON NUTARBEITEN
- 专利标题： GROOVING WORK METHOD, AND GROOVING WORK APPARATUS
- 专利标题（中）： VERFAHREN ZURAUSFÜHRUNGVON NUTARBEITEN UND VORRICHTUNG ZURAUSFÜHRUNGVON NUTARBEITEN
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申请号： EP08829346.9申请日： 2008-09-04
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公开(公告)号： EP2186586A1公开(公告)日： 2010-05-19
- 发明人: NAGASE, Yasuo
- 申请人： Kabushiki Kaisha Toshiba
- 申请人地址： 1-1 Shibaura 1-chome Minato-ku Tokyo 105-8001 JP
- 专利权人： Kabushiki Kaisha Toshiba
- 当前专利权人： Kabushiki Kaisha Toshiba
- 当前专利权人地址： 1-1 Shibaura 1-chome Minato-ku Tokyo 105-8001 JP
- 代理机构： Kramer - Barske - Schmidtchen
- 优先权： JP2007231683 20070906
- 国际公布： WO2009031311 20090312
- 主分类号： B23C3/34
- IPC分类号： B23C3/34 ; B23C5/12
摘要：
When a groove having a section of Christmas tree shape for fitting the blade legs of a turbine is to be generated in the outer circumference of a turbine shaft by cutting work, cutting blades cut that groove by moving them gradually in a direction perpendicular to an axis (47) parallel to female groove center line (S) while rotating them on the axis (47). Three wide portions (4, 5 and 6) are cut one by one. A method for that grooving work includes a first cutting step of cutting a slope portion, an outer circumference portion and an undercut portion by using a first cutting tool (40), and a second cutting step of cutting a constricted portion by using a second cutting tool.
公开/授权文献
- EP2186586B1 GROOVING WORK METHOD, AND GROOVING WORK APPARATUS 公开/授权日：2016-06-22
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