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Dacromet Flange Bolts: Okwu Mmalite zuru oke maka ihe ngbochi mgbochi corrosion na-arụ ọrụ dị elu.
2026-10-16
1. Okwu Mmalite Dacromet Flange Bolts
N'ime ngwa ụlọ ọrụ mmepụta ihe nke oge a, ntụkwasị obi nke usoro ntinye dị oke egwu. Otu n'ime ihe ngwọta kachasị elu dị taa bụ Dacromet flange bolts. Ndị a pụrụ iche bolts ikpokọta n'ibu uru nke a flange imewe na ahụkebe mgbochi corrosion na mgbochi nchara Njirimara nke teknụzụ mkpuchi Dacromet.
Ihe mkpuchi flange nwere ihe nrụnye agbakwunyere dị ka flange n'okpuru isi. Nhazi a na-ekesa ibu nkedo n'elu ebe buru ibu, na-ebelata ihe ize ndụ nke mmebi elu, ma na-ewepụkarị mkpa maka ịsa ákwà dị iche iche. Mgbe a na-emeso bolt flange a Dacromet - mkpuchi zinc-aluminom flake na-abụghị electrolytic - ọ na-aghọ ngwa ngwa na-arụ ọrụ dị elu nke nwere ike iguzogide gburugburu ebe na-emebi emebi ruo ogologo oge.
Ihe mkpuchi dacromet, nke a makwaara dị ka mkpuchi flake zinc, na-enye nchebe pụtara ìhè megide nchara na corrosion. A na-akọwapụta ya nke ọma maka bolts dị elu (Grade 8.8, 10.9, na 12.9) na-eji ụgbọ ala, ihe owuwu, mmiri, ike ikuku, na ngwa ụlọ ọrụ mmepụta ihe ebe zinc plating ma ọ bụ ihe na-ekpo ọkụ na-ekpo ọkụ nwere ike ịdaba.
2. Gịnị bụ mkpuchi Dacromet?
Dacromet bụ usoro mkpuchi inorganic, nke dabere na mmiri nke ejiri zinc na flakes aluminom mebere n'ime ihe nkedo nwere chromium. A na-etinye ihe mkpuchi ahụ site n'ụzọ dip-spin, spray, or dip-drain wee gwọọ ya na okpomọkụ dị elu (na-emekarị 300-320 ° C). Usoro a na-etolite ihe mgbochi dị gịrịgịrị, nke siri ike, nke nwere ọtụtụ ihe (na-abụkarị oke 4-8 μm) nke na-ejikọta kemịkalụ na mkpụrụ nchara nke bolt.
N'adịghị ka electroplating a na-emekarị, usoro Dacromet anaghị agụnye nchịkọta acid ma ọ bụ electrolysis. N'ihi ya, ọ na-ewebata enweghị hydrogen embrittlement ihe ize ndụ - uru dị mkpa maka bolts dị elu nke ga-edobe iguzosi ike n'ezi ihe n'okpuru nnukwu ibu mbụ na ntinye cyclic.
Njirimara isi nke mkpuchi Dacromet na Bolts
- Nguzogide corrosion kacha elu: Na-agafekarị awa 1,000 nke nnwale ịgba nnu na-anọpụ iche (ASTM B117 / ISO 9227) na-enweghị nchara uhie.
- Ihe nkiri dị nro na nke edo: Naanị 4-8 μm gbara ọkpụrụkpụ, na-echekwa ezi nnabata eri nke bolt.
- Nguzogide okpomọkụ dị elu: Na-ejigide ọrụ nchekwa ruo 300°C na-aga n'ihu.
- Nguzogide kemịkalụ mara mma: Na-eguzogide nnu okporo ụzọ, mmiri ụgbọ ala, acid dị nro, na ikuku ụlọ ọrụ mmepụta ihe.
- Esemokwu a na-achịkwa: Mmekọrịta torque-ọgbụgbọ na-agbanwe agbanwe maka ịgbachi bolt a pụrụ ịdabere na ya.
- Ọdịdị ọla ọla ọcha-isi awọ: Uniform, matte finish nke nwekwara agba.
3. Uru nke Dacromet Flange Bolts
Dacromet flange bolts na-enye nchikota pụrụ iche nke igwe na uru nchebe elu nke na-eme ka ọ masịrị ha karịa bolts mkpuchi mkpuchi na gburugburu ebe chọrọ.
Mgbochi nbibi na arụrụ nchara na-enweghị atụ
Ọdịdị nke zinc-aluminom flake nke ọtụtụ-layered nke Dacromet na-emepụta ma mmetụta mgbochi na mmetụta anode ịchụàjà. Nke a abụọ usoro na-enye 7 ruo 10 ugboro ihe mgbochi corrosion nke mkpuchi electro-galvanized ọdịnala. Dacromet flange bolts dị elu nwere ike nweta ihe karịrị awa 1,200 nke nguzogide nnu na-enweghị ọdịdị nke nchara na-acha uhie uhie, na-agba mbọ na-echebe mgbochi nchara ogologo oge ọbụlagodi n'okporo ụzọ dị n'ụsọ oké osimiri, mmiri, ma ọ bụ nnukwu nnu.
Enweghị ihe ize ndụ nke embrittlement hydrogen
Mkpọchi ike dị elu (karịsịa ọkwa 10.9 na 12.9) na-enwekarị ike ịmịnye hydrogen mgbe a na-ahazi ya site na electroplating. Usoro Dacromet na-ewepụ acid pickling na electrolytic deposition, na-ezere iwebata hydrogen kpamkpam. Nke a na-eme Dacromet ka ọ bụrụ mkpuchi kachasị amasị maka bolts flange na-arụ ọrụ dị mkpa na nchekwa.
Mkpuchi dị mkpa na-echekwa eriri dabara adaba
N'ụdị ọkpụrụkpụ nke naanị 4-8 μm, mkpuchi Dacromet anaghị agbanwe nke ọma dayameta pitch nke eriri bolt. Nke a na-enye ohere iji mkpụrụ akụ ọkọlọtọ na-enweghị mkpa ọ bụla maka ịkwanye, nke a na-achọkarị maka mkpuchi galvanized na-ekpo ọkụ na-ekpo ọkụ. Ihe si na ya pụta bụ njikọ aka eri ka mma, ibugharị ya na-agbanwe agbanwe, yana nfe nke mgbakọ flange dị mfe.
4. Ntụle arụmọrụ nke mkpuchi Bolt
Tebụl na-esonụ na-atụnyere Dacromet na mkpuchi ọzọ a na-ejikarị na bolts:
| Ngwongwo | Dacromet | Electro-Zinc Plating | Galvanizing na-ekpo ọkụ |
| Mkpuchi Ọkpụrụkpụ | 4-8 mm | 5-15 μm | 40-80 μm |
| Nguzogide nfe nnu (na nchara na-acha uhie uhie) | ≥ 1,000–1,200 h | 100-300 h | 500-800 h |
| Ihe ize ndụ embrittlement hydrogen | Ọ dịghị | Elu (chọrọ ime achịcha) | Ọkara |
| Nguzogide oke okpomọkụ | Ruo 300 ° C | ≤120C | ≤200C |
| Ndakọrịta nke eriri eriri | Ezigbo mma (ọkọlọtọ mkpụrụ) | Ọ dị mma | Na-achọ ngafe |
| Kwesịrị ekwesị maka Bolts dị elu | Dị mma (10.9 / 12.9) | Oke | Na-agafeghị oke |
Tebụl 1. Arụmọrụ ntụnyere nke ọgwụgwọ elu bolt nkịtị.
5. Ntuziaka nhọrọ maka Dacromet Flange Bolts
Mgbe ị na-akọwapụta bolts flange Dacromet maka ọrụ, tụlee ihe ndị a iji hụ na arụmọrụ mgbochi corrosion kacha mma yana ntụkwasị obi nkwonkwo:
1.Corrosivity nke gburugburu ebe obibi: N'akụkụ osimiri, mmiri, ụlọ ọrụ mmepụta ihe, ma ọ bụ n'okporo ụzọ-nnu ikpughe na-akwadokarị ọkwa B ma ọ bụ mkpuchi Dacromet dị elu.
2.Bolt ike ọkwa: Maka ọkwa 10.9 na 12.9 flange bolts, a na-atụ aro Dacromet nke ọma iji kpochapụ ihe egwu embrittlement hydrogen.
3. Mkpughe okpomọkụ: Ngwa na-eru nso 250-300°C na-erite uru na nkwụsi ike nke Dacromet.
4.Torque-ụjọ chọrọ: Ezipụta uwe elu mmanu mmanu (dịka, PLUS® ma ọ bụ DACROLUB®) mgbe njikwa ebubu ụzọ dị oke mkpa.
5.Compatibility na mating akụkụ: Dacromet gosipụtara ezigbo ndakọrịta bimetallic na akụrụngwa aluminom, na-ebelata ihe egwu corrosion galvanic.
6. Mmechi
Dacromet flange bolts na-anọchi anya ihe nrụnye nke tozuru oke, na-arụ ọrụ dị elu nke na-ekwu okwu n'otu oge n'otu aka ahụ iguzosi ike n'ezi ihe nkwonkwo na nchekwa elu ogologo oge. Site na ijikọta uru na-ekesa ibu nke isi flange na ihe pụtara ìhè mgbochi corrosion na mgbochi nchara Njirimara nke mkpuchi zinc-aluminom flake, bolts ndị a na-enye ọrụ a pụrụ ịdabere na ya na gburugburu ebe kachasị ike.
Isi ihe na-ewe maka ndị injinia na ndị ọkachamara n'ịzụ ahịa gụnyere:
- Dacromet na-enye 7-10 ugboro nguzogide corrosion nke plating electro-zinc nkịtị ka ọ dị gịrịgịrị iji chekwaa eriri ọkọlọtọ dabara.
- Usoro na-abụghị nke electrolytic na-ewepụ kpamkpam hydrogen ebrittlement, na-eme ka ọ dị mma maka nnukwu ike flange bolts.
- Nkwụsi ike dị elu nke oke okpomọkụ (ruo 300 Celsius) na nguzogide kemịkalụ na-agbasawanye ohere ngwa.
- Nhazi flange agbakwunyere na-eme ka mgbakọ dị mfe ma na-eme ka arụ ọrụ nkwonkwo dị n'okpuru mkpọtụ na ntinye cyclic.
Ma ejiri ya na chassis ụgbọ ala, igwe ikuku ikuku, akụrụngwa dị n'ụsọ osimiri, ma ọ bụ akụrụngwa ụlọ ọrụ siri ike, Dacromet flange bolts na-enye ụzọ egosipụtara na ndụ ọrụ dị ogologo, belata mmezi yana nkwalite nchekwa. Ịkọwa ọkwa Dacromet ziri ezi yana ịhụ na njikwa mma kwesịrị ekwesị ga-ebuli uru mgbochi nchara na mgbochi corrosion nke emebere bolts ndị a dị elu iji wepụta.
