提高SN10—10型少油断路器灭弧室基座球墨铸铁铸件质量的几种措施
Gaoya dianqi, 1972 球墨铸铁灭弧室基座是SN10-10/500少油断路器的主要另件之一。在分断短路电流时瞬时承受很大气压,里面又装着油,因此要求有一定的机械强度和气密性。由于其铸件结构复杂,壁厚不匀,局部容易产生缩松,加工后往往会出现渗油和机械强度达不到要求的现象。 我厂一九七一年,在试制和小批生产SN10-10/500少油断路器过程中 ...
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