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采用浮动油封是近几年来工程机械密封技术的一件新生事物。与其他油封结构形式相比较具有结构简单、密封性好、使用寿命长等优点。密封环质量的好坏决定了浮动油封使用寿命的长短。我厂从一九七一年起就开始试验生产密封环。曾先后用20号钢渗碳淬火;45号钢淬火;白口铁等生产少量密封环,但耐磨寿命都低于600小时,远远不能满足产品要求。一九七三年下半年,厂党委决定将
The use of floating seal is a new thing in construction machinery sealing technology in recent years. Compared with other oil seal structure has the advantages of simple structure, good sealing, long service life. The quality of the seal ring determines the length of the service life of the floating seal. Our factory started to test the production of seal ring since 1973. Had 20 steel carburizing quenching; 45 steel quenching; white iron and other small seal ring production, but the wear life of less than 600 hours, far from meeting product requirements. In the second half of 1973, the party committee of the factory decided to