1) Ingabe i-Rockwell hardness tester ingasetshenziselwa ukuhlola ubulukhuni bodonga lwamapayipi ensimbi?
Izinto ezihlolwayo yipayipi lensimbi le-SA-213M T22 elinobubanzi obungaphandle obungu-16mm nogqinsi oluyi-1.65mm. Imiphumela yokuhlolwa yokuhlola ubulukhuni be-Rockwell imi kanje : Ngemva kokukhipha i-oxide kanye nongqimba owenziwe nge-decarburized endaweni yesifanekiso ngegrinder, isifanekiso sabekwa etafuleni lomsebenzi elimise okuka-V futhi ukuhlolwa kokuqina kwe-Rockwell kwenziwa ngokuqondile ngaphandle kwayo , kusetshenziswa isibonisi sedijithali se-HRS-150S sokuhlola ubulukhuni be-Rockwell lapho silayisha :980.
Ngemuva kokuhlolwa, kungase kubonakale ukuthi ipayipi yensimbi odongeni ine-deformation encane, futhi umphumela uwukuthi : inani eliphansi elilinganiselwe lobulukhuni be-Rockwell lenza ukuhlolwa kungavumelekile.
Ngokusho kwe-GB/T 230.1-2018 «Isivivinyo se-Rockwell Ukuqina kwezinto zensimbi Ingxenye 1: Izindlela zokuhlola», ubulukhuni be-Rockwell bungu-80HRBW kanti ubuncane bokujiya besampula bungu-1.5mm. Ugqinsi lwesampula No.1 luyi-1.65mm, ukujiya kongqimba olukhishwe yi-decarburized ngu-0.15~0.20mm, futhi ukushuba kwesampula ngemva kokukhipha isendlalelo esikhishwe yi-decarburized ngu-1.4~1.45mm, okuseduze nobukhulu obuncane besampula obucaciswe ku-GB/T 230.1-2018.
Ngesikhathi sokuhlolwa, ngenxa yesikhungo sesampula asisekelwe, kuzodala ukuwohloka okucashile (okungenzeka kungabonakali ngeso lenyama), ngakho-ke inani elilinganiselwe lobulukhuni be-Rockwell liphansi kakhulu.
2) Indlela yokukhetha okukha phezuluRockwellumhloli wokuqina wokuhlola amapayipi ensimbi:
Inkampani yethu iye yahlola ngokuphindaphindiwe ubulukhuni bendawo yepayipi yensimbi futhi yafinyelela eziphethweni ezilandelayo:
Ukuhlolwa kokuqina kwe-Rockwell okungaphezulu noma ukuhlolwa kokuqina kwe-Rockwell ebusweni bepayipi lensimbi elinezindonga ezincane. Ukwesekwa odongeni okunganele kuzodala ukuguqulwa kwesifanekiso futhi kuphumele emiphumeleni ephansi yokuhlolwa;
Uma ubeka ukusekelwa kwe-cylindrical phakathi kweshubhu lensimbi elincanyana, ngoba alikwazi ukuqinisekisa ukuthi i-axis ye-indenter kanye nesiqondiso sokulayisha umthwalo kanye nobuso bepayipi lensimbi perpendicular ebusweni, kanye nobuso obungaphandle bepayipi lensimbi futhi kuzodala igebe lokusekelwa kwe-cylindrical kwegebe phakathi kwendawo eyindilinga yepayipi yensimbi kanye nomphumela wokuhlola ophansi, futhi umphumela wokuhlola uphansi.
Guqula ukuhlolwa kokuqina kwe-Vickers kube ukuhlolwa kokuqina kwe-Rockwell ngemva kokupholisha isethi yesampula yepayipi lensimbi, kuzothola inani elinembile lobulukhuni be-Rockwell.
2. Ngemva kokukhipha i-oxide nesendlalelo se-decarburization ebusweni bepayipi lensimbi nokwenza indiza yokuhlola endaweni engaphandle futhi ifakwe ngaphakathi, i-Value inembe kakhulu uma iqhathaniswa nomhloli wokuqina wokuqina we-Rockwell ne-Rockwell hardness tester.
Isikhathi sokuthumela: May-28-2024
