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METHOD FOR MANUFACTURING VARIABLE-THROAT EXHAUST TURBOCHARGER AND CONSTITUENT MEMBERS OF VARIABLE THROAT-AREA MECHANISM
METHOD FOR MANUFACTURING VARIABLE-THROAT EXHAUST TURBOCHARGER AND CONSTITUENT MEMBERS OF VARIABLE THROAT-AREA MECHANISM
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机译:变喉面积机构的变喉排气涡轮增压器及其制造方法
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摘要
A method for manufacturing constituent members of a variable throat-area mechanism of a variable-throat exhaust turbocharger for varying the blade angle of a plurality of nozzle vanes supported rotatably by a member in a turbine casing, wherein, for producing shaft members (32) to be inserted and fixed in through-holes (31) in a member with through-holes (31) among constituent members of said variable throat-area mechanism, wear-resistant material is welded on the upper surface of a steel plate to form cladding of a certain thickness thereon, said material being harder than the steel plate, and then crude shaft members are cut out from the clad plate.
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