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A 3-BLADE SEGMENT FIXTURE FOR END PROFILES AND THROAT GAP CHECKING OF BANANA TYPE HOLLOW GUIDE BLADE OF STEAM TURBINE LOW PRESSURE MODULE
A 3-BLADE SEGMENT FIXTURE FOR END PROFILES AND THROAT GAP CHECKING OF BANANA TYPE HOLLOW GUIDE BLADE OF STEAM TURBINE LOW PRESSURE MODULE
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机译：汽轮机低压模块香蕉型空心导叶末端轮廓和喉间隙检查的三叶片夹具
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摘要
This invention relates to a 3-blade segment fixture for end profiles and throat gap checking of banana type hollow guide blade of steam turbine low pressure module. The fixture consists of a base plate (4) for fixing the outer (5) and inner (6) casing segments at the required position according to the assembly. Two segments (5 and 6) are fixed with locating pins (9) and fasteners. The locating pins (9) are disposed at four butting points of the blade for holding the banana type hollow guide blades (1) in position. The fixture accommodates three blades at a time and checks the blade outer (7) and inner (8) end profiles butting on to the inner and outer casing and also the throat gaps at two places between two consecutive blades, all in one setting.[IN-KOL-2010-00182A]
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