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I-HEX HEAD BOLTS–Isingeniso Esibanzi Sobuchwepheshe Izixhumi Ezinamandla Aphakeme Zokucela Izicelo
2026-08-31
1. Isingeniso
IBanga le-10.9 Amabhawodi ekhanda e-Dacromet hexagon amele ikilasi leprimiyamu lezixhumi ezinamandla ezisetshenziswa kakhulu kwezezimoto, zokwakha, amandla omoya, imishini esindayo, kanye nezicelo zengqalasizinda. Lawa mabhawodi ahlanganisa izici ezintathu ezibalulekile: ukusebenza okuphezulu komshini kwesigaba sendawo engu-10.9, ijometri eguquguqukayo nethembekile yomklamo wekhanda elinezinhlangothi ezine, kanye nokuvikela ukugqwala okuvelele okunikezwa i-Dacromet (i-zinc-flake).
2. I-Property Class 10.9 - Amandla Emishini
Isigaba sezakhiwo 10.9 sichazwa ku-ISO 898-1 (Izinsimbi zokubopha ezenziwe nge-carbon steel ne-alloy steel - Ingxenye 1: Amabhawudi, izikulufu nezikhonkwane). Igama elithi “10.9” libonisa amandla okubamba angu-1000 MPa kanye nesilinganiso sokuvunwa kokuya ku-tensile esingaba ngu-0.9. Lezi zibophelelo ngokuvamile zikhiqizwa ngezinsimbi ze-alloy ezicishiwe neziqinile (isb., 35CrMo, 42CrMo, noma izinsimbi ze-boron) futhi zifanele ukusetshenziswa komthwalo ophezulu wesakhiwo nokushintshashintshayo.
Izakhiwo Zemishini Ebalulekile (ISO 898-1)
| Impahla | Ngokuzisholo | Ubuncane | Iyunithi |
| Amandla okuqina Rm | 1000 | 1040 | I-MPa |
| Ingcindezi yobufakazi / Amandla e-Ield Rp0.2 | 900 | 940 | I-MPa |
| Ukucindezeleka ngaphansi komthwalo wobufakazi Sp | 830 | — | I-MPa |
| Ukukhula ngemva kokuphuka A | — | 9 | % |
| Vickers ubulukhuni HV | — | 320 – 380 | HV |
| Ukuqina kwe-Rockwell HRC | — | 32-39 | HRC |
Uma kuqhathaniswa nesigaba sepropathi 8.8, iBanga le-10.9 linikeza cishe u-25-30 % umthamo ophakeme we-tensile kanye namandla okulayisha ama-clamp aphezulu kakhulu. Lokhu kuyenza ibe inketho ekhethwayo yamajoyinti abalulekile ezinjinini, i-chassis, i-steelwork yesakhiwo, nemishini esindayo lapho kudingeka khona ukunciphisa isisindo nokusebenza okuphezulu.
3. I-Hexa Bolts — Idizayini Namazinga
Amabhawodi ekhanda elingu-Hexagon (avame ukubizwa ngokuthi ama-hex bolts) yiwona asetshenziswa kakhulu izibophelelo zangaphandle eziklinayo. Ikhanda elinezinhlangothi eziyisithupha linikeza ukudluliswa kwe-torque okuhle kakhulu nge-open end-end noma ama-socket wrenches futhi ivumela ukufinyelela kusuka kuma-engeli amaningi. Izindinganiso zamazwe ngamazwe ezimbili eziyinhloko zilawula ama-metric hex bolts:
- I-ISO 4014 / DIN 931 - Ifakwe kancane (i-shank ngaphansi kwekhanda)
- I-ISO 4017 / DIN 933 - Ifakwe intambo ngokugcwele
Amabhawodi anomucu oyingxenye (ISO 4014) akhethwa uma indiza yokugunda kufanele isebenze ku-shank engafundiwe ukuze kusheshwe umthamo ophakeme, noma uma kudingeka ubude bokubamba obunembile. Amabhawodi anentambo egcwele akhethelwa ukuguquguquka futhi lapho ubude obugcwele bungase bufake inadi noma imbobo ethenjiwe.
Ubukhulu obujwayelekile (Osayizi Abakhethiwe, ISO 4014 / DIN 931)
| Usayizi Wokuzisholo | Iphimbo (mm) | Ngaphesheya kweFlats s (mm) | Ukuphakama Kwekhanda k (mm) | Ubude bomucu b ≤125 mm | Usayizi Wrench |
| M8 | 1.25 | 13 | 5.3 | 22 | 13 |
| M10 | 1.5 | 16/17 | 6.4 | 26 | 16/17 |
| M12 | 1.75 | 18/19 | 7.5 | 30 | 18/19 |
| M16 | 2.0 | 24 | 10.0 | 38 | 24 |
| M20 | 2.5 | 30 | 12.5 | 46 | 30 |
| M24 | 3.0 | 36 | 15.0 | 54 | 36 |
Qaphela: Ubukhulu bamafulethi angahluka kancane phakathi kochungechunge lwe-ISO ne-DIN kumasayizi athile (isb., i-M10 ne-M12). Njalo qinisekisa izinga elisebenzayo lohlelo lokusebenza. Amabanga omkhiqizo A no-B achaza ukubekezelelana kobukhulu; Ibanga A liqinile futhi ngokuvamile lisetshenziselwa amadayamitha amancane.
Izinzuzo zeHexagon Head Design
- Ikhono eliphezulu lokudlulisa i-torque ngamathuluzi ajwayelekile
- Ukufinyeleleka okuhle ezikhaleni ezivalekile ukusuka kuma-engeli ayisithupha angaba khona
- Ukukhiqiza okungabizi kakhulu kanye nokutholakala okusabalele
- Ihambisana nohlu olugcwele lwamantongomane, amawasha, namadivayisi okukhiya
4. I-Dacromet Coating - Ukuvikelwa Okuthuthukisiwe Kokugqwala
I-Dacromet ubuchwepheshe bokunamathela be-zinc-flake (ekuqaleni obuthuthukiswe yi-Metal Coatings International). Iqukethe ama-zinc flakes kanye ne-aluminium amiswe ku-binder ye-inorganic, esetshenziswa ngezindlela ze-dip-spin noma zokufutha futhi yelashwe cishe ku-300-340 °C. Ifilimu eliwumphumela elincanyana, eliminyene, elisiliva-grey linikeza ukuvikelwa kokugqwala kwe-multi-mechanism ngaphandle kwengozi ye-hydrogen embrittlement - inzuzo ebalulekile yezixhumi ezinamandla njengeBanga le-10.9 kanye ne-12.9.
Izimpawu Zokusebenza Ezibalulekile
| Ipharamitha | Inani Elijwayelekile / Ukusebenza |
| Ukuqina kwe-coating | 5 – 15 μm (Ibanga A ≈ 5 μm; IBanga B ≈ 8 μm) |
| Isifutho sikasawoti esimaphakathi (ASTM B117) | 500 - 1000+ amahora ukugqwala okubomvu (kuya ngebanga) |
| Ukumelana nokushisa | Kufika ku-300 °C okuqhubekayo (ukunamathela kuhlala kuvikela) |
| Ingozi ye-hydrogen embrittlement | Akukho (inqubo engeyona eye-electrolytic, akukho ukucotshwa kwe-asidi) |
| I-coefficient of friction | 0.12 – 0.18 (ngezinto zokuthambisa ezifana ne-Dacromet 500) |
| Ukubukeka | Metallic isiliva-grey; ukumbozwa okufanayo ngisho nasezintanjeni |
Ukuqhathanisa Nezinye Izingubo Ezivamile
| Isici | I-Electro Zinc | I-Hot-Dip Galvanizing | I-Dacromet |
| Ubukhulu | 5–15 μm | 40-85 μm | 5–15 μm |
| Isifutho sikasawoti (ukugqwala okubomvu) | 72–240 h | 400–800 h | 500–1000+ h |
| H₂ ingcuphe ye-embrittlement | Phezulu | Phrezenta | Lutho |
| Umthelela wokulingana kochungechunge | Phansi | Phezulu (ngokuvamile kudinga usayizi oweqile) | Okuncane |
| Ifaneleka okungu-10.9+ | Inomkhawulo | Kudingeka ukuqapha | Kuhle kakhulu |
Ngenxa yokuthi inqubo ye-Dacromet ayibandakanyi ukukhiqizwa kwe-hydrogen ye-electrochemical futhi akukho ukuchotshozwa kwe-asidi enolaka, iyindlela ekhethwayo (futhi ngokuvamile eyisibopho) yeBanga le-10.9 kanye nezibophelelo eziphakeme ezicacisweni zezimoto nesakhiwo.
5. Izinzuzo Ezihlanganisiwe & Izicelo Ezijwayelekile
Lapho amandla eBanga le-10.9, i-geometry yekhanda eliyi-hexagonal, kanye ne-Dacromet coating kuhlanganiswa, isibambiso esiwumphumela sinikeza ibhalansi evelele yokusebenza komshini, ukuhlangana kalula, nokuqina kwesikhathi eside ezindaweni ezigqwalile.
Izinzuzo Eziyinhloko
1.Ikhono lokulayisha i-clamp ephezulu — linika amandla amadizayini ahlangene alula nokuthembeka okuphezulu ngaphansi kokudlidliza nemithwalo enamandla.
2.Ukumelana nokugqwala okuphezulu - ukusebenza kwe-salt-spray kudlula kude i-zinc plating evamile kuyilapho kugcinwa ukunemba kwentambo.
3.I-Hydrogen-embrittlement free — isici sokuphepha esibalulekile sezibophelelo zensimbi ezinamandla aphezulu.
4.Ukungqubuzana okulawulwayo — okuhlukile kwe-Dacromet okugcotshisiwe kunikeza ubudlelwano obubikezelwe be-torque-tension, ukuthuthukisa ukungaguquguquki kwe-assembly.
5.Ukuzinza kwe-thermal - kuhlala kuvikelekile emazingeni okushisa aphakeme okuhlangatshezwana nawo ezingxenyeni zenjini kanye nemishini yezimboni.
Izinkambu Zokusebenza Ezijwayelekile
- Izimoto: i-chassis, ukumiswa, ukukhwezwa kwenjini, izingxenye ze-powertrain
- Amandla omoya: ama-flange ombhoshongo, izakhiwo ze-nacelle, amahange esisekelo
- Ukwakhiwa okuqinile nengqalasizinda: amabhuloho ensimbi, imibhoshongo yokudlulisela, ujantshi wesitimela
- Imishini yezolimo neyokwakha esebenza ngaphandle
- Imishini yasolwandle neyasogwini (ngokukhethwa kwebanga elifanele)
6. Isiphetho
Amabhawodi ekhanda e-Dacromet hexagon eBanga le-10.9 aletha inhlanganisela enokwethenjelwa yamandla aqinile, ijometri yokufaka okusebenzayo, nokuvikela ukugqwala kwesikhathi eside. Ngokuhlangabezana nezidingo eziqinile zemishini ye-ISO 898-1 Class 10.9, evumelana nezindinganiso ezimisiwe ezifana ne-ISO 4014, kanye nokusebenzisa i-hydrogen-embrittlement-free zinc-flake coating, lezi zibophelelo zinikeza onjiniyela isisombululo esifakazelwe samalunga abucayi achayeka kukho kokubili ukucindezeleka komshini kanye nezimo ezinolaka.
