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IBanga 8.8, 10.9 & 12.9 Iibholiti kunye nezikrufu: IMathiriyeli eRaw eCetyisiweyo kwiziQinisekiso zaMandla aPhezulu
2026-06-23
Ukukhetha imathiriyeli ekrwada echanekileyo sisiseko sokuvelisa iibholiti zokuqina okuphezulu okuthembekileyo, izikrufu, iibholiti ze-hex, kunye neebholiti ze-stud. I-ISO 898-1 ichaza iiklasi zepropathi yomatshini kwizibophelelo zemetriki - ubukhulu becala iBakala 8.8, iBakala 10.9, kunye neBanga le-12.9. Ibakala ngalinye lichaza ubuncinci bamandla okuqina, amandla esivuno, kunye nokuqina okukuphela kwentsimbi ekhethwe yinjongo, idityaniswe nonyango olufanelekileyo lobushushu, inokufikelela ngokuqhubekayo.
IBanga le-8.8 Iibholiti kunye nezikrufu-Amandla aPhakathi-phezulu
Izibophelelo zeBanga lesi-8.8 (amandla asezantsi e-tensile angama-800 MPa, umlinganiselo wesivuno esingu-0.80) zezona zibophelelo zolwakhiwo zisetyenziswa ngokubanzi kwihlabathi jikelele. Bagquma iibholiti ze-hex, izikrufu zehex cap, iibholithi zekhareji, iibholiti ze-stud, kunye nezikrufu ezithungwe ngokupheleleyo zolwakhiwo lwentsimbi, iindibano zemoto, kunye noomatshini ngokubanzi.
Izixhobo ezicetyiswayo
- 35# Intsimbi yeKhabhoni ePhakathi — Ifanelekile kwii-fasteners ezincinci ze-diameter (≤ M16). Ukonga imali, ukuqina okwaneleyo kwiBakala 8.8 emva kokucima nokucaphuka (Q&T).
- 45# Intsimbi yeKhabhoni ePhakathi — Olona khetho ludumileyo kwiBanga lesi-8.8 leebholiti zeheksi kunye neebholithi zestud. Ukuchaneka okuhle, iipropathi ezizinzileyo zoomatshini emva kwe-Q&T.
- 40Cr intsimbi yengxubevange — Ikhethwa kwiibholiti ezinkulu zedayamitha (M20+). Ukongezwa kweChromium kuphucula ukuqina kunye nokuqina okufanayo kuwo wonke amacandelo anqamlezileyo.
Unyango lobushushu kunye nezicelo
Ukucima kunye nokuthoba (Q&T). Uluhlu lobunzima obuqhelekileyo: 22-32 HRC. Usetyenziso: uqhagamshelo lwentsimbi yolwakhiwo, i-chassis yeemoto, oomatshini abaqhelekileyo, ii-flanged joints, ukudityaniswa komthi ukuya kwintsimbi.
IBanga le-10.9 Iibholiti kunye nezikrufu - Amandla aphezulu
Iibholithi kunye nezikrufu zeBanga le-10.9 zinika amandla asezantsi e-1,040 MPa. Zicaciswa naphi na apho kufuneka uqhagamshelo olubambeneyo, oluphezulu lwe-clamping-force - ukusuka kwiinjini zeemoto ukuya kwisixhobo esinzima sokushukuma komhlaba. Iifom zeemveliso eziqhelekileyo ziquka izikrufu zentloko yesokethi, iibholiti ze-hex ezine-flanged, kunye ne-high-strength stud bolts.
Izixhobo ezicetyiswayo
- 40Cr intsimbi yengxubevange — Ihashi elisemgangathweni kwiBakala 10.9. Ukuqina okwaziwayo, kufumaneka ngokubanzi, kwaye kuqinisekiswe kwiimfuno ze-ISO 898-1.
- 35CrMo intsimbi yengxubevange — Intsimbi yeChromium-molybdenum enobunzima obuphezulu kunye nokumelana nokukhathala. Okuqhelekileyo kwiibholithi kunye nezikrufu phantsi kokulayisha okuguquguqukayo.
- 42CrMo intsimbi yengxubevange — Umxholo wekhabhoni ophezulu kune-35CrMo; ibonelela ngebhalansi ebalaseleyo yokomelela kobukhulu bobubanzi beebholithi zeBanga le-10.9.
- I-SCM435 (JIS) — Umgangatho woShishino waseJapan olingana ne-35CrMo. Isetyenziswa kakhulu kwi-Asia-Pacific fastener amakhonkco okubonelela; ukuhambelana okugqwesileyo.
Unyango lobushushu kunye nezicelo
Ukucima kunye nokuthoba (Q&T). Uluhlu lobunzima obuqhelekileyo: 32-39 HRC. Usetyenziso: iibholithi zokuxhoma injini, iziqhoboshi zokuxhoma kunye neziqhoboshi ze-drivetrain, iibholiti zenqaba yomoya weinjini yomoya, uqhagamshelo olunzima lwesakhiwo.
IBanga le-12.9 Iibholiti kunye nezikrufu-Amandla aphezulu kakhulu
IBanga le-12.9 lolona didi luphezulu lwepropathi emgangathweni kwiziqhoboshi zemetriki (amandla okuqina asezantsi 1,220 MPa). Amandla aphezulu kakhulu afuna intsimbi yealloy echanekileyo enekhemikhali elawulwa ngokuqinileyo. Ezi zibophelelo - ngokuyintloko izikhonkwane ze-socket head cap kunye ne-specialty bolts ye-industrial - zisetyenziswa naphi na apho imida yokhuseleko kunye nobomi bokudinwa bungenakuxoxisana.
Izixhobo ezicetyiswayo
- 42CrMo4 / 42CrMo intsimbi yengxubevange — Umgangatho wokhetho wehlabathi jikelele weBakala 12.9. Ukuqina okugqwesileyo, amandla aphezulu okukhathala, ukusabalalisa ubunzima obufanayo (39-44 HRC emva kwe-Q&T). Ihambelana ne-ISO 898-1, i-DIN EN 10263, kunye nezikhokelo ze-ASTM.
- I-SCM440 (JIS) — I-Japan ilingana ne-42CrMo4. Ebalaseleyo kwimveliso yaseMpuma Asia; ukugqiba okuphezulu komphezulu kunye nokunyamezelwa kwe-dimensional ye-socket cap screws.
- 35CrMoV intsimbi yengxubevange — I-Vanadium-iphuculwe ukuphuculwa kokumelana nokunxiba kunye namandla okurhubuluza. Ikhethelwe ubushushu obuphezulu okanye i-high-vibration fastener applications.
- Intsimbi ye-30CrNiMo8 Alloy- Insimbi ye-nickel-chromium-molybdenum kwiimeko zokulayisha ngokugqithiseleyo. Ichazelwe i-aerospace-ekufuphi kunye neebholithi zobunjineli ezibalulekileyo.
Unyango lobushushu kunye nezicelo
Ukucima kunye nokuFundisa (i-Q&T) ngolawulo lobulukhuni oluluqilima (39–44 HRC). Izicelo: iibholiti ze-disc brake caliper, izixhobo ezichanekileyo zomatshini, i-anchors zesakhiwo esibalulekileyo, i-socket head cap screws (DIN 912 / ISO 4762), i-fasteners ekhethekileyo yezoshishino.
ISingqinisiso esiKhawulezayo: IBanga vs. Isixhobo esiCetyisiweyo
| IBanga | Min. Amandla Okuqina | Izixhobo ezicetyiswayo | Iintlobo zeeMveliso eziqhelekileyo | Unyango loBushushu oluqhelekileyo |
| 8.8 | 800 MPa | 35# / 45# Carbon Steel Intsimbi yentsimbi ye-40Cr | I-Hex Bolt, i-Hex Cap Screw, Ibholt yeNqwelo, iStud Bolt | Ukucima kunye nokunciphisa |
| 10.9 | 1,040 MPa | 40Cr, 35CrMo, 42CrMo I-SCM435 intsimbi yentsimbi | I-Socket Cap Screw, Ibholithi eneFlanged, iStud Bolt | Ukucima kunye nokunciphisa |
| 12.9 | 1,220 MPa | 42CrMo4 / SCM440 35CrMoV intsimbi yentsimbi | I-Socket Head Cap Screw, I-Industrial Fastener | Q&T (39–44 HRC ulawulo) |
Malunga neFujirui Metal — uMenzi weFastener oyiNgcali kunye noMthumeli ngaphandle
I-Fujirui Metal yenza kwaye ithumele kumazwe angaphandle iziqhoboshi ezichanekileyo ezibandakanya iibholiti zokuqina okuphezulu, izikrufu ze-hex, izikrufu zokuzibhobhoza, iibholithi ezizibholi, kunye nezikhonkwane eziphela kabini kwiBanga lesi-8.8, 10.9, kunye ne-12.9. Iinketho zonyango ezingaphezulu: i-Dacromet, i-Ruspert, i-galvanising eshushu, kunye ne-zinc plating. Zonke iimveliso ziqinisekisiwe kwimigangatho ye-ISO, i-DIN, kunye ne-ASTM, kunye nezatifikethi zovavanyo olupheleleyo (MTC) ezikhoyo.
