A matsayin mahimmin abu a cikin haɗin injina, zaɓin ma'auni na fasteners yana da mahimmanci don tabbatar da kwanciyar hankali da amincin haɗin.
1. Sunan Samfuri (Standard)
Sunan samfurin fastener yana da alaƙa kai tsaye tare da tsarin sa da yanayin amfani. Don masu ɗaure waɗanda suka dace da ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun bayanai, sanya madaidaicin lamba na iya yin daidai da ƙira da aikinsu. Idan babu ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun abubuwa, sassan da ba daidai ba (ɓangarorin da ba daidai ba) suna buƙatar cikakkun zane-zane don kwatanta girman su da siffofi.
2. Ƙayyadaddun bayanai
Ƙayyadaddun kayan ɗamara yawanci ya ƙunshi sassa biyu: diamita na zaren da tsayin dunƙule. Tsarin awo da tsarin Amurka sune manyan tsarin ƙayyadaddun bayanai guda biyu. Matsakaicin ma'auni kamar M4-0.7x8, inda M4 ke wakiltar zaren waje diamita na 4mm, 0.7 yana wakiltar farar, kuma 8 yana wakiltar tsayin dunƙule. Screws na Amurka kamar 6 # -32 * 3/8, inda 6 # ke wakiltar diamita na zaren, 32 yana wakiltar adadin zaren kowane inch na tsawon zaren, kuma 3/8 shine tsayin dunƙule.
3. Abu
Kayan kayan ɗamara yana ƙayyade ƙarfin su, juriyar lalata, da rayuwar sabis. Abubuwan gama gari sun haɗa da carbon karfe, bakin karfe, bakin ƙarfe, jan karfe, aluminum, da sauransu. Yana da mahimmanci don zaɓar kayan da suka dace dangane da yanayin aikace-aikacen da buƙatun aiki.
4. Matsayin ƙarfi
Don masu ɗaurin ƙarfe na carbon, ƙarfin ƙarfin yana nuna ƙarfin ƙarfin su da ƙarfin yawan amfanin ƙasa. Common matakan hada 4.8, 5.8, 6.8, 8.8, 10.9, 12.9, da dai sauransu High ƙarfi sukurori, kamar kayayyakin na sa 8.8 ko sama, yawanci bukatar quenching da tempering zafi magani don inganta su inji Properties.
5. Maganin saman
Maganin saman yana nufin haɓaka juriya na lalata da kyawun kayan ɗamara. Common aiki hanyoyin hada blackening, galvanizing (kamar blue da fari tutiya, farin tutiya, da dai sauransu), jan plating, nickel plating, Chrome plating, da dai sauransu Zabar da dace surface jiyya Hanyar dangane da amfani yanayi da bukatun iya yadda ya kamata mika rayuwar sabis na fasteners.
A takaice, lokacin da zabar fasteners, ya zama dole a m la'akari dalilai kamar samfurin sunan (misali), bayani dalla-dalla, kayan, ƙarfi sa, da surface jiyya don tabbatar da cewa sun hadu da buƙatun amfani da kuma samun mai kyau aiki da kuma rayuwa.
Lokacin aikawa: Agusta-28-2024