发明名称 |
METHOD OF REPAIRING ROTOR MADE OF LOW ALLOY STEEL |
摘要 |
A method for repairing low alloy steel rotors of large machinery wherein the defective section of the original rotor is removed and a replacement end with mating areas machined on the replacement end and the original rotor is partially narrow gap arc welded to the rotor, the outer 1.27-5.1 cm of the weld being provided by gas tungsten arc welding. The mating attachment up to least the inside 6.3 mm of the weld is bored out to remove possible crack initiation sites and to provide a smooth bore through which the weld scan is easily inspected. |
申请公布号 |
JPS6234671(A) |
申请公布日期 |
1987.02.14 |
申请号 |
JP19860184376 |
申请日期 |
1986.08.07 |
申请人 |
WESTINGHOUSE ELECTRIC CORP <WE> |
发明人 |
ROBAATO EDOWAADO KURAAKU;DENISU REI AMOSU |
分类号 |
B23K31/00;B23K9/00;B23K9/02;B23K9/028;B23P6/00;F01D5/02;H02K15/00 |
主分类号 |
B23K31/00 |
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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