Fasteners zvakakosha zvinhu zvekubatana, uye chiyero chavo chakaomarara ndechimwe chezvakakosha zviratidzo kuyera hunhu hwavo.
Maererano nemaitiro akasiyana ekuedzwa, Rockwell, Brinewell, brinell uye vickers kuomesa nzira dzekuyedza kunogona kushandiswa kuyedza kuomesa kwezviitiko zvekusimuka.
Iyo Vickers Hardness Test iri zvinoenderana neOso 6507-1, iyo Brinell Hardness Test inoenderana neOso 6506-1, uye iyo Dombowedhi Hardness Muedzo ndeye ISO 6508-1.
Nhasi, ini ndichaunza iyo micro-vickers yakaoma nzira yekuyera nzvimbo yekutsikisa uye kudzika kweiyo decarbuzed layer yeasimendi mushure mekupfura kwekushisa.
Kuti uwane ruzivo, ndapota tarisa kune iyo nyika standard gb 244-87 yeyekuyera mireza inotaura zvakadzama pakudzora kweiyo decarbuzed layer.
Iyo micro-vickers bvunzo nzira inoitwa zvinoenderana neGB / T 4340.1.
Muenzaniso unowanzogadzirirwa nesampling, kuchema uye kupukuta, uye wobva waiswa pane iyo micro-yakaoma tester kuti ionekwe kubva kune iyo nzvimbo iyo iyo iyo inodiwa kuomesa kusvikirwa. Matanho chaiwo ekushanda anotemerwa nehuwandu hwemotokari yeTestness tester yakanyatso kushandiswa.
Kutumira Nguva: Jul-18-2024
