发明名称 |
METHOD FOR PREPARING SURFACES OF CAST IRON PARTS FOR SOLDERING |
摘要 |
manufacture and restoration of cast iron parts. SUBSTANCE: method comprises steps of removing graphite from soldered surfaces at treating said surfaces by means of electric-spark discharge; using cast iron part as cathode; making anode electrode from copper, nickel or low carbon steel; performing treatment at 20 C; simultaneously with removal of graphite applying onto soldered surface technological coat corresponding to material of anode for improving spreadability of solder and strength of soldered joint. EFFECT: enhanced quality of soldered joint.
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申请公布号 |
RU2167033(C1) |
申请公布日期 |
2001.05.20 |
申请号 |
RU19990122861 |
申请日期 |
1999.11.01 |
申请人 |
SYKTYVKARSKIJ LESNOJ INSTITUT S.-PETERBURGSKOJ LESOTEKHNICHESKOJ AKADEMII |
发明人 |
BOROVUSHKIN I.V. |
分类号 |
B23H1/00;B23K1/20;B23K103/06 |
主分类号 |
B23H1/00 |
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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