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I-Hexagon Flange Bolts ene-Dacromet Coating: Ijometri, Inqubo, Ukusebenza kanye Nesiqondiso Somhlangano
2026-10-26
1. Isingeniso
Amabhawodi e-Flange - amabhawodi ekhanda eliyi-hexagon ane-flange ehlanganisiwe (ubuso bewashi) owakhelwe ekhanda - asephenduke into ekhethwayo ekukhiqizeni izimoto, ukuhlanganiswa kwemishini, nokwakhiwa kwamapayipi. Ngokuhlanganisa ibhawodi newasha kube ingxenye eyodwa, ibhawodi ye-flange yenza kube lula ukuhlangana, isabalalise umthwalo wokubopha endaweni enkulu yokuthwala, futhi ithuthukisa ukumelana nokuzikhulula ngaphansi kokudlidliza.
Ezindaweni zesevisi ezonakalisayo, noma kunjalo, izinzuzo zomklamo we-flange zingabonakala kuphela uma ukunamathela okuvikela ibhawodi kusinda inqobo nje uma ilunga ngokwalo. I-Dacromet (i-zinc-aluminium flake) enamathelayo iye yavela njengohlelo oluthandwayo lokuvikela ukugqwala kwamabhawudo e-flange anamandla, okunikeza ukumelana nesifutho sikasawoti ngokuphindwe kaningi kune-electro-galvanizing engxenyeni yokuqina kwe-hot-dip galvanizing - futhi ngaphandle kwanoma iyiphi ingcuphe ye-hydrogen embrittlement.
Lesi sihloko sichaza i-geometry kanye namazinga we-hex flange bolts, ichaza inqubo yokugqoka i-Dacromet njengoba isetshenziswe kuma-flange bolts, iveza ukuqhathaniswa kokusebenza kanye nokucaciswa okujwayelekile, futhi inikeza ukukhetha okusebenzayo kanye nesiqondiso somhlangano.
2. Iyini I-Hex Flange Bolt?
Ibhawodi ye-hex flange iyibhawodi lekhanda eliyi-hexagon elinekhanda eliphethe i-flange eyindilinga ebalulekile endaweni ethwalayo, ngokwe-ISO 4162 / DIN 6921 (metric) kanye namazinga afanayo we-inch-series. Imindeni emibili yokuklama ikhona:
- Uchungechunge oluncane lwe-flange- I-compact flange ububanzi bezikhala eziqinile, ezivamile ezinjini zezimoto;
- Uchungechunge lwe-flange olukhulu (olubanzi).- cishe indawo ethwele intambo engu-1.5 ×, esetshenziswa lapho imithwalo ephakeme kakhulu noma izinto zokubopha ezithambile (i-aluminium, amapulasitiki) kubandakanyeka.
Amabhawodi amaningi e-flange nawo afakiwe izintshumayelo (amazinyo e-radial) ku-flange ngaphansi. Ama-serration aluma endaweni yokukhwelana, akhulise ukumelana nokunyakaza okuncane okuhlobene futhi athuthukise ukumelana kwebhawodi ukuzikhulula ngaphansi kokudlidliza okuphambene - ngaphandle kokudinga iwasha yokukhiya ehlukile.
3. Kungani i-Dacromet Coating ye-Flange Bolts?
I-Dacromet coating iwudaka olusekelwe emanzini lwe-zinc nama-aluminium flakes anama-passivator kanye nama-inorganic binders. Izingxenye zicwiliswe, ziphonswe nge-centrifugally ukuze zisuse udaka oludlulele, futhi zelashwe ku-280-330 ° C imizuzu engu-20-40; imijikelezo emibili ye-dip-spin ngokuvamile ikhiqiza ifilimu engu-6–10 μm. Amabhawodi e-Flange afaneleka kakhulu inqubo ye-dip-spin:
1.Ukufakwa okuphelele- i-coating igeleza ku-fillet ye-flange-to-shank kanye ne-serration grooves, izindawo lapho i-electroplating ivame ukushiya amadiphozithi amancane noma angavamile;
2.Ubukhulu obufanayo- ukuphotha okumaphakathi kunikeza ngisho namafilimu ebusweni obuyisicaba obuyisicaba, okugcina indawo ehambisanayo ebaluleke kakhulu ukuze kube nokunemba komthwalo we-clamp;
3.Ayikho i-hydrogen embrittlement- akukho pickling ye-asidi noma i-electrolytic current ehilelekile, ngakho-ke amabanga 10.9 no-12.9 angagcotshwa ngokuphephile;
4.Ukunemba kwentambo- ifilimu elincanyana, eliqinile ligcina i-geometry yentambo, ngakho-ke ama-flange bolt asagijima ngokukhululekile emigodini ekhonjiwe futhi ahlangane namantongomane e-flange;
5.Ukungaguquguquki kwefriction- Ngama-topcoat ahlanganisiwe e-lubricant, ama-Dacromet flange bolts afinyelela izici ezinzile zamantongomane (K ≈ 0.12-0.16), okubalulekile emigqeni yokuhlanganisa elawulwa yi-torque.
4. Ukusebenza kanye Nezinzuzo Zemishini
Indawo yokuthwala kanye nengcindezi yangaphezulu
Inzuzo echazayo yomklamo we-flange ukusabalalisa umthwalo. Ithebula elingezansi liqhathanisa ibhawodi elijwayelekile le-M10 hex, ibhawodi le-hex elinewasha ehlukile, kanye nebhawodi ye-M10 ye-flange enkulu kumthwalo ofanayo we-clamp ongu-30 kN.
| Ukucushwa kwebholidi | Ukubamba i-OD (approx.) | Indawo yokuthela (mm²) | Ukucindezela kobuso ku-30 kN (N/mm²) |
| I-Hex bolt DIN 933, ayikho iwasha | 14.5 mm (ubuso bewasha) | ≈ 78 | ≈ 385 |
| Ibhawodi leHex + iwasha eliyisicaba DIN 125 | 20 mm | ≈ 166 | ≈ 181 |
| I-Hex flange bolt DIN 6921 | 21.5 mm | ≈ 208 | ≈ 144 |
Ithebula 1. Indawo yokuthwala kanye nokuqhathaniswa kwengcindezi yendawo (isibonelo se-M10, amanani ajwayelekile).
Umfanekiso 2. Ukucindezela kwendawo ephansi kusho ukushumeka okuncane endaweni ethambile noma ependiwe kanye nelunga eliqinile ngokuhamba kwesikhathi.
Ukucindezela kwendawo ephansi kunciphisa ukushumeka (i-brinelling) ku-aluminiyamu noma izindawo ezipendiwe, kugcina ilunga eliboshiwe liqinile ngokuhamba kwesikhathi, futhi kwehlisa ingozi yokushona kwekhanda ezintweni ezithambile. Ukwengeza, ukuhlola okuzimele okuguquguqukayo kokudlidliza (ukuhlolwa kwe-Junker, i-DIN 65151) kukhombisa ngokungaguquki ukuthi amabhawudi e-flange ahlotshisiwe agcina umthwalo wokubopha kakhulu kunamabhawodi angenalutho e-hex ebangeni elifanayo, ngoba ama-serration akhiya isixhumi esibonakalayo futhi i-flange ebanzi imelana nokuzungezisa ikhanda.
