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METHOD FOR ASSEMBLING A PELTON-TYPE TURBINE WHEEL, AUGET OF SUCH A WHEEL AND TURBINE WHEEL EQUIPPED WITH SUCH A AUGET
METHOD FOR ASSEMBLING A PELTON-TYPE TURBINE WHEEL, AUGET OF SUCH A WHEEL AND TURBINE WHEEL EQUIPPED WITH SUCH A AUGET
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机译:装配pelton型涡轮机轮,该轮的量以及配备有这种轮机的涡轮机的方法
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摘要
The invention concerns a method which consists in: pre-positioning, in a housing (7) of a flange (5), a bucket (2) supported by part (23) of its outer surface (23) against an edge (71) of the housing (7) providing a space (E') between the convex surface (23B) of the outer radial part (2B) of the bucket (2) and said edge (71); producing an articulated linkage (15) of the bucket (2) on the rim (1) and/or the flange (5) on the inside (2A) of the bucket (2); exerting on the outer radial part (2B) of the bucket (2) a first calibrated force to bring it closer to the edge (71); determining the distance (e) between said outer radial part (2B) and said edge (71) under said force; slackening said force; arranging, between said outer radial part (2B) and said edge (71), a wedge (53) having a thickness substantially equal to said distance (e); and exerting on the outer radial part (2B) of the bucket a second force (F2) to bringing it closer to the edge and maintaining said second force (F2) which has an intensity not less than that of the first force.
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