Li-fasteners ke likarolo tsa bohlokoa tsa khokahano ea mochini, 'me maemo a bona a thata ke e' ngoe ea matšoao a bohlokoa a ho lekanya boleng ba bona.
Ho latela mekhoa e fapaneng ea liteko tsa ho thatafala, mekhoa ea teko ea ho thatafala ea Rockwell, Brinell le Vickers e ka sebelisoa ho leka ho thatafala ha li-fasteners.
Teko ea boima ba Vickers e lumellana le ISO 6507-1, teko ea boima ba Brinell e lumellana le ISO 6506-1, 'me teko ea ho thatafala ea Rockwell e lumellana le ISO 6508-1.
Kajeno, ke tla hlahisa mokhoa oa ho thatafala oa li-micro-Vickers ho lekanya decarburization ea holim'a metsi le botebo ba "decarburized layer of fasteners" kamora kalafo ea mocheso.
Bakeng sa lintlha, ka kopo sheba maemo a naha a GB 244-87 bakeng sa melaoana ea tekanyo ea tekanyo ea botebo ba lera le khaotsoeng.
Mokhoa oa tlhahlobo ea micro-Vickers o etsoa ho latela GB/T 4340.1.
Ka kakaretso sampole e lokiselitsoe ka lisampole, ho sila le ho belisoa, ebe e behoa holim'a "micro-hardness tester" ho bona hore na hole hakae ho tloha holimo ho ea moo boleng ba boima bo hlokahalang bo fihlileng teng.Mehato e khethehileng ea ts'ebetso e khethoa ke tekanyo ea automation ea hardness tester e hlileng e sebelisitsoeng.
Nako ea poso: Jul-18-2024
