Nakong e fetileng nako e telele, re qotsa litafole tsa ho sokoloha kantle ho naha ho ea Sechaena, empa nakong ea ts'ebeliso, ka lebaka la sebopeho sa lik'hemik'hale tsa thepa, theknoloji ea ho sebetsa, boholo ba sampuli le lintlha tse ling, hammoho le ho nepahala ha lisebelisoa tsa ho lekanya ka mefuta e fapaneng. linaha, boima le matla a ho sokoloha kamano ho theha motheo le ho sebetsa ha data ho bolela ho fapana, re fumane hore ho na le phapang e kholo lipakeng tsa litekanyetso tse fapaneng tsa ho sokoloha.Ntle le moo, ha ho na maemo a kopaneng, linaha tse fapaneng li sebelisa tafole e fapaneng ea phetoho, e tlisang pherekano ho boima le boleng ba matla a ho sokoloha.
Ho tloha ka 1965, China Metrology Scientific Research le diyuniti tse ling li thehile Brinell, Rockwell, Vickers le ka holimo Rockwell boima benchmarks le makgabane matla motheong oa palo e kholo ea liteko le ho etsa lipatlisiso tsa tlhahlobo, ho hlahloba kamano e lumellanang pakeng tsa boima bo fapaneng le matla a ferrous. tšepe, ka ho netefatsa tlhahiso.Re ntlafalitse "boima ba tšepe e ntšo le tafole ea ho fetola matla" e loketseng letoto la litšepe tse 9 ho sa tsotelehe kereiti ea tšepe.Mosebetsing oa ho netefatsa, lihlopha tse fetang 100 li ile tsa kenya letsoho, kakaretso ea lisampole tse fetang 3,000 li ile tsa sebetsoa, 'me lintlha tse fetang 30,000 li lekantsoe.
Lintlha tsa netefatso li ajoa ka ho lekana mahlakoreng ka bobeli a lekhalo la ho sokoloha, 'me liphetho li tsamaellana le kabo e tloaelehileng, ke hore, litafole tsena tsa phetoho ha e le hantle li tsamaellana le nnete ebile li fumaneha.
Litafole tsena tsa phetoho li bapisitsoe le machaba le litafole tse tšoanang tsa phetoho ea linaha tse 10, 'me boleng ba phetoho ea naha ea rona bo batla bo lekana le karolelano ea boleng ba linaha tse fapaneng.
Nako ea poso: Mar-26-2024
