Kuoma kwepombi yesimbi kunoreva kugona kwechigadzirwa ichi kuramba kushanduka kwechinhu chacho pasi pesimba rekunze. Kuoma kwacho ndechimwe chezviratidzo zvakakosha zvekushanda kwechinhu chacho.
Mukugadzirwa nekushandiswa kwemapaipi esimbi, kucherechedzwa kwekuoma kwawo kwakakosha zvikuru. Kuoma kwemapaipi esimbi kunogona kuyerwa nevanoedza kuomarara vakasiyana-siyana vakaita seRockwell, Brinell, naVickers vakagadzirwa neLaizhou Laihua Testing Instrument Factory, iyo inogona kugadziriswa sezvinodiwa. Nzira huru dzekuyera dzinosanganisira zvinotevera:
1. Nzira yekuedza kuomarara kweRockwell
Kuedza kuomarara kweRockwell ndiyo nzira inonyanya kushandiswa, pakati payo iyo HRC iri yechipiri mushure meBrinell hardness HB muchiyero chepipe yesimbi. Inoyera kudzika kwegomba uye inogona kushandiswa kuyera zvinhu zvesimbi kubva panyoro zvakanyanya kusvika pakaoma zvakanyanya. Iri nyore pane nzira yekuedza yeBrinell.
2. Nzira yekuedza kuomarara kweBrinell
Nzira yekuedza kuomarara kweBrinell inoshandiswawo zvakanyanya mumunda wemaindasitiri. Inoshandiswa zvakanyanya mumatanho emapaipi esimbi asina musono. Kuomarara kwechinhu ichi kunowanzo ratidzwa nedhayamita yekudzika. Inonzwisisa uye iri nyore, asi haishande kumapaipi esimbi akaomarara kana akatetepa.
3. Nzira yekuedza kuomarara kweVickers
Vickers hardness test inoshandiswawo zvakanyanya. Ine mabhenefiti makuru eBrinell neRockwell testing methods, asi inokunda matambudziko ayo makuru. Yakakodzera kuyedzwa kwehardness kwezvinhu zvakasiyana-siyana, asi haina kukodzera masampuli ane dhayamita diki. Haisi nyore seyeRockwell testing method uye haiwanzo shandiswa mumatanho esimbi.
Nguva yekutumira: Gumiguru-09-2024
