倒倾式无冲击止回阀阀体密封副的加工

:100225855(2010)0220020202:(1979-),,,,(,110142),;;:TH134:AMachiningforbodysealingofinclinedshocklesscheckvalveGUANLi2jun(ShenyangShengshiHighandMediumPresureValveCo.,Ltd.,Shenyang110142,China)Abstract:introducesbodystructurefeaturesofinclinedshocklesscheckvalve,discussescombinedbor2ingmethodforbodyanddiscaxlehole.Keywords:inclinedshocklesscheckvalve;axleholeofcombinedboring;machining11,t=300,PN=2715MPa,DN=300mm,,,,,2,,Ra018m,15(1)0105mm,0103mm0Cr18Ni10Ti(1),3()10Cr18Ni10TiMPab012%%3503901473546022010231115,38HRC,150105mm,,312,300,2hD8021501h,,140160A,,,Ra018m,,(2)0103mm,,180,0102mm,313,(3a),,,,27H8,(3b),,180,,27H8112131(a)(b)34,,,1.M.:.1979.2,.M.:,1987.(:2009111112)11()20068,,20004,,ISBN7-111-18960-4,290100/()2120092,,3,,,,ISBN978-111-25402-7,29100/10%,,15,:110142,:024-25653780E-mail:sfskkxz@chinavalveinfo1net