发明名称 |
METHOD FOR MANUFACTURING A STAGE OF A STEAM TURBINE |
摘要 |
A method for manufacturing a stage (1) of a steam turbine comprising the steps of milling a block of material to define a sector (2) having a plurality of blades (6), each blade (6) having an external surface (7); machining an opening (8) in the external surface (7) of at least one of the blades (6); machining a cavity (9) in fluid communication with the opening (8); the step of machining the cavity (9) being performed by wire electric discharge machining. |
申请公布号 |
WO2015059078(A1) |
申请公布日期 |
2015.04.30 |
申请号 |
WO2014EP72405 |
申请日期 |
2014.10.20 |
申请人 |
NUOVO PIGNONE SRL |
发明人 |
BENCINI, GIACOMO;GRILLI, MARCO;COSI, LORENZO |
分类号 |
F01D5/14;F01D5/30;F01D11/00;F01D25/32 |
主分类号 |
F01D5/14 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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