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1、DCCN/SVH-001-PR-F15Edition:12009-12-10液压技术座谈会（闭式液压系统介绍及使用）ZhangXin（张新）DCCN-SVH/PkDec.13th.2010座谈内容DCCN/SVH-001-PR-F15Edition:12009-12-10闭式液压系统构成A4VG180EP泵介绍A6VM160EP马达介绍管路安装系统清洁度保证A4VG180EP泵常见故障的诊断及排除A6VM160EP马达常见故障的诊断及排除问题讨论©AllrightsreservedbyBoschRexrothA
2、G,evenandespeciallyincasesofproprietaryrightsapplications.2Wealsoretainsolepowerofdisposal,includingallrightsrelatingtocopying,transmissionanddissemination.闭式液压系统介绍DCCN/SVH-001-PR-F15Edition:12009-12-10何谓闭式液压系统工作介质（液压油或其他）从执行机构直接回到泵©AllrightsreservedbyBoschRexrothAG
3、,evenandespeciallyincasesofproprietaryrightsapplications.3Wealsoretainsolepowerofdisposal,includingallrightsrelatingtocopying,transmissionanddissemination.闭式液压系统介绍DCCN/SVH-001-PR-F15Edition:12009-12-10液压系统都需要安全保护元件安全阀©AllrightsreservedbyBoschRexrothAG,evenandespecia
4、llyincasesofproprietaryrightsapplications.4Wealsoretainsolepowerofdisposal,includingallrightsrelatingtocopying,transmissionanddissemination.闭式液压系统介绍DCCN/SVH-001-PR-F15Edition:12009-12-10任何液压泵和马达工作时都有漏损（散热，润滑）增加泄油管路©AllrightsreservedbyBoschRexrothAG,evenandespecially
5、incasesofproprietaryrightsapplications.5Wealsoretainsolepowerofdisposal,includingallrightsrelatingtocopying,transmissionanddissemination.闭式液压系统介绍DCCN/SVH-001-PR-F15Edition:12009-12-10因为漏损且为保证执行机构连续平稳运转，系统需要补油增加补油泵和补油阀©AllrightsreservedbyBoschRexrothAG,evenandespecia
6、llyincasesofproprietaryrightsapplications.6Wealsoretainsolepowerofdisposal,includingallrightsrelatingtocopying,transmissionanddissemination.闭式液压系统介绍DCCN/SVH-001-PR-F15Edition:12009-12-10增加变量机构以实现泵的排量和输出方向的变化增加变量控制阀及变量活塞©AllrightsreservedbyBoschRexrothAG,evenandespec
7、iallyincasesofproprietaryrightsapplications.7Wealsoretainsolepowerofdisposal,includingallrightsrelatingtocopying,transmissionanddissemination.闭式液压系统介绍DCCN/SVH-001-PR-F15Edition:12009-12-10闭式系统易发热，故对于大排量泵和马达构成的闭式系统，常常会增加冲洗油路以加速热交换增加冲洗阀©AllrightsreservedbyBoschRexroth
8、AG,evenandespeciallyincasesofproprietaryrightsapplications.8Wealsoretainsolepowerofdisposal,includingallrightsrelatingtocopying,transmissi
