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Nhanganyaya kuDacromet Flange Bolts-High-Performance Fasteners yeDemading Environments
2026-09-09
1. Nhanganyaya
Mumainjiniya emazuva ano uye maindasitiri ekushandisa, kuvimbika kwemasisitimu ekusimbisa kwakakosha kune kutendeseka kwechimiro, kuchengetedza, uye kushanda kwenguva refu. Pakati pemhando dzakasiyana-siyana dzekusungirira dziripo, mabhaudhi eflange akawana mukurumbira wakanyanya nekuda kweiyo yakabatanidzwa dhizaini uye yepamusoro yekugovera mitoro. Kana mabhaudhi aya achiwedzerwa nekurapa kwepamusoro kwepamusoro senge Dacromet coating, anove akanyatsokodzera mamiriro ekushanda akaomarara.
Dacromet flange mabhoti anosanganisa mabhenefiti emumusoro dhizaini ine yakasarudzika corrosion dziviriro inopihwa ne zinc-aluminium flake coatings. Musanganiswa uyu unogadzirisa maviri ematambudziko akajairika mukusimudzira tekinoroji: kuwana inopindirana clamping simba pasina mamwe washers, uye kuve nechokwadi chekuramba kwenguva refu kune ngura uye kukanganisa kwezvakatipoteredza. Ichi chinyorwa chinopa mhedziso yakazara yeDacromet flange mabhoti, inovhara kuvaka kwavo, tekinoroji yekupfekedza, maitiro ekuita, maapplication, uye kufunga kunoshanda.
2. Kunzwisisa Flange Bolts
A flange bhoti inyanzvi yekusungirira iyo inoratidzira yakafara, denderedzwa flange iri pazasi pemusoro webhaudhi. Iyi flange inoshanda zvakafanana kune yakavakirwa-mukati washer, ichigovera clamping mutoro pamusoro penzvimbo yakakura. Nekuwedzera kubereka kwepamusoro, mabhoti eflange anoderedza njodzi yekukuvadzwa kwepamusoro kune zvakabatanidzwa zvinhu uye kubatsira kudzivirira musoro webhaudhi kubva pakukwevera kuburikidza nezvinhu zvakatetepa kana zvinyoro.
Akakosha dhizaini maficha eflange mabhoti anosanganisira:
Integrated flange: Inobvisa kudiwa kwewasher yakaparadzana mune akawanda maapplication, kurerutsa kusangana uye kuderedza chikamu chekuverenga.
Kuparadzirwa kwekutakura kwakavandudzwa: Nzvimbo yakakura yekusangana inodzikisira kushushikana kwenzvimbo panzvimbo yekusangana.
Serrated options: Mabhaudhi mazhinji eflange anosanganisira serrations (mazino) pazasi peflange, ayo anochera mukati kuti apikise kupokana nekuzunguza-induced kusunungura.
Common head styles: Hexagonal musoro flange mabhoti ndiwo anonyanya kushandiswa, achibvumira yakajairika wrench kana socket kuisirwa.
Flange mabhaudhi anogadzirwa mumagiredhi esimba akasiyana-siyana (akadai seGiredhi 8.8, 10.9, uye 12.9 mumametric masisitimu) uye zvinhu, kubva kucarbon simbi uye alloy simbi kusvika kusimbi isina tsvina. Kuita kwavo kwakasiyana-siyana kunoita kuti vakwanise kuita mota, kuvaka, michina, uye mapurojekiti ezvivakwa.
3. The Dacromet Coating Technology
Dacromet (inozivikanwawo seDACROMET®) ndeye proprietary isiri-electrolytic zinc-aluminium flake coating system yakatanga kugadzirwa seyepamusoro-inoshanda imwe kune yechinyakare electroplating uye inopisa-dip galvanizing. Iyo yekupfekedza ine zinc inopindirana uye aluminium flakes akaparadzirwa mune inorganic binder, kazhinji ine chromium makomisheni. Inoshandiswa semvura-based slurry kuburikidza nedip-spin, spray, kana dip-drain nzira, inoteverwa nekurapa (kubika) patembiricha yakasimudzika inosvika 300°C.
Munguva yekurapa, iyo yekupfekedza inoumba dense, yakawanda-layered inorganic firimu inosungirirana nemakemikari kune substrate yesimbi. Yakajairika coating ukobvu kubva pa5 kusvika 12 micrometers (μm), iyo yakatetepa zvakanyanya pane inopisa-dip galvanizing layers uku ichipa kuchengetedzwa kwepamusoro. Iyo inokonzeresa pamusoro ine yakasarudzika simbi yesirivha-grey chitarisiko.
Nzira dzekudzivirira dzeDacromet dzinosanganisira:
Barrier protection: Iyo yakakora, inopindirana flake chimiro inogadzira chipingamupinyi chemuviri chinotadzisa kupinda kwemwando, munyu, uye zvinosvibisa zvinhu.
Kudzivirira (cathodic) kudzivirira: Zinc flakes inonyanya kukanganisa, kuchengetedza pasi pesimbi substrate.
Passivation: Chromium makomisheni ari mubhainda anobatsira kuumba yakagadzika passive layer iyo inowedzera kuwedzera corrosion resistance.
4. Zvakanakira zveDacromet Flange Bolts
Iko kusanganiswa kweiyo flanged dhizaini uye Dacromet coating inopa huwandu hwemabhenefiti ekuita ayo anoita kuti zvigadziriso izvi zvive zvakakosha mukuda maapplication:
1.Exceptional Corrosion Resistance: Dacromet coatings inogara ichiwana anopfuura 1,000 maawa ekusarerekera munyu kupfapfaidza kuramba (ASTM B117 / ISO 9227) pasina kutaridzika kwehutu tsvuku. Muzviitiko zvakawanda, kushanda kunosvika 1,200-2,000 maawa kana kupfuura. Izvi zvinowanzoitika kanomwe kusvika kagumi dziviriro inopiwa neyakajairwa electro-galvanizing.
2.Hapana Hydrogen Embrittlement: Kusiyana nemaitiro e electroplating anosanganisira acid pickling uye electrolytic deposition, Dacromet application haiunze hydrogen musimbi. Izvi zvinoita kuti ive yakanaka kune yakakwirira-simba fasteners (Magiredhi 10.9, 12.9, uye ASTM A490), uko hydrogen embrittlement inogona kukonzera kunonoka brittle kutyoka.
3.High Temperature Resistance: Iyo yekuputira inoramba yakatsiga uye inodzivirira pakuenderera kwesevhisi tembiricha inosvika 300 ° C (572 ° F), ichipfuura zvakanyanya tembiricha yeakawanda zinc electroplated coatings.
4.Thin, Uniform Coating: Iine ukobvu hwakajairwa hwe5-12 μm chete, iko kupfekedza kune kushoma kukanganisa pamiyero yeshinda uye kukwana. Nzungu dzakajairwa dzinogona kushandiswa pasina kudzvanya patsva kana kugadzirisa, kusiyana neyakakora inopisa-dip galvanized coatings.
5.Good Mechanical uye Chemical Resistance: Iyo yekupfekedza inoratidza kunamatira kwakasimba, kuramba kudiki kukuvadzwa kwemuchina panguva yekubata nekuisa, uye kuenderana nemakemikari mazhinji, oiri, uye zvinonyungudutsa.
6.Controlled Friction Characteristics: Nematopcoat akakodzera kana mafuta ekuzora, iyo coefficient yekukwesha inogona kugadzirwa kuti iwirirane torque-tension hukama, ichivandudza kuvimbika kwekubatana.
7.Environmental uye Process Benefits: Senge isiri-electrolytic, mvura-based process, Dacromet inogadzira tsvina ine ngozi shoma pane yechinyakare plating uye inotariswa zvakanyanya seyakanyanya kugadzirisa zvakatipoteredza sarudzo (kunyangwe maumbirwo ekare aine hexavalent chromium; misiyano yemazuva ano uye dzimwe nzira dzinoramba dzichishanduka dzichienda kune yakaderera kukanganisa kwezvakatipoteredza).
5. Kuenzanisa Kwekuita
Iri tafura rinotevera rinopfupisa maitiro ekuita kweDacromet coatings zvichienzaniswa neyakajairwa zinc plating uye inopisa-dip galvanizing:
| Property | Dacromet | Electro-Galvanizing | Hot-Dip Galvanizing |
| Coating Ukobvu | 5–12 μm | 5–15 μm | 45–85 μm |
| Salt Spray (hapana tsvuku tsvuku) | ≥1,000–1,200 h | 100–300 h | 500–800 h |
| Hydrogen Embrittlement Ngozi | Hapana | Yakakwira (inoda kubika) | Pakati nepakati |
| Max Continuous Temp. | ~300°C | ~100°C | ~200°C |
| Thread Fit Impact | Minimal | Low | Chinokosha |
| Inokodzera High-Simba Bolts | Excellent | Limited | Kungwarira kunodiwa |
Ongorora: Kuita chaiko kunosiyana negiredhi rekupfekedza, ukobvu, topcoat, kugadzirira substrate, uye mamiriro ebvunzo chaiwo. Data inomiririra zvakajairika maindasitiri mhedzisiro.
6. Mhedziso
Dacromet flange mabhaudhi inomiririra yakakwira-inoshanda yekusimbisa mhinduro inobudirira kubatanidza mabhenefiti dhizaini mabhenefiti neakakwira corrosion kudzivirira tekinoroji. Iyo yakabatanidzwa flange inonatsiridza kugovera kwemutoro uye inogona kuderedza kudiwa kwemawashi akaparadzana, nepo iyo yakaonda asi inoshanda zvakanyanya yeDacromet zinc-aluminium flake coating inopa kukurira kupikisa kupfapfaidza munyu, humidity, makemikari, uye tembiricha yakakwira-pasina hydrogen embrittlement njodzi inoenderana neyechinyakare electroplating.
Aya maitiro anoita kuti Dacromet flange mabhoti anyatsokodzera mota, simba rinogona kudzokororwa, kuvaka, zvekurima, zvemugungwa, uye maindasitiri ekushandisa uko hupenyu hurefu hwebasa uye kuvimbika pasi pemamiriro akaomarara kwakakosha. Sezvo mitemo yezvakatipoteredza uye tarisiro yekushanda ichiramba ichikwira, kushandiswa kwe-non-electrolytic zinc flake coatings yakadai seDacromet inotarisirwa kuramba iri sarudzo inokosha kune mainjiniya anotsanangura zvigadziro zvakakosha.
Paunenge uchisarudza Dacromet flange mabhaudhi, kutarisisa kugiredhi remuchina, coating yakatarwa, dimensional zviyero, uye maitiro ekuisa anovimbisa kuita kwakaringana uye kusimba mune yakarongwa application.
