I-Dacromet Flange Bolts

2026-11-09

1. Isingeniso

Kuzicelo zanamuhla zezimboni, ubuqotho besikhathi eside bamalunga aboshwe buncike kakhulu ekusebenzeni okusebenzayo ukuvikela ukugqwala futhi ukusebenza kwe-anti-rust. I-zinc plating yendabuko kanye nokufaka i-hot-dip galvanizing kuvame ukuhluleka ezindaweni ezinolaka kakhulu njengengqalasizinda yasogwini, izinkundla ezingasogwini, izitshalo zamakhemikhali, nezindawo ezingaphansi kwezimoto ezichayeke kusawoti womgwaqo. I-Dacromet flange bolts hlanganisa izinzuzo zesakhiwo sokuklama kwe-flange-head nokuvelele ukuvimbela ukugqwala futhi anti-ukugqwala izakhiwo ze-zinc-aluminium flake coatings.

I-Dacromet (eyaziwa nangokuthi i-zinc flake coating) iyi-non-electrolytic, ukwelashwa kwamanzi okusekelwe emanzini. Ifaka ungqimba oluncane kodwa olusebenza kahle kakhulu lwezinc namaflake e-aluminium ahlanganiswe yi-chromate matrix, eletha okukhethekile. ukuvikelwa kwesithiyo, ukuvikelwa kwe-cathodic yomhlatshelo, futhi ukuziphilisa. Kufakwe kuma-bolts e-flange, lokhu kunamathela kunikeza okuthembekile isikhathi eside ukumelana nokugqwala ngaphandle kokufaka engcupheni ukulingana kwentambo, ukunemba kwetorque, noma ukwethula ubungozi be-hydrogen embrittlement.

Umfanekiso 1. Amabhawodi ane-Dacromet anamandla aphezulu ane-silver-grey anti-corrosion finish.

2. I-Flange Bolts kanye ne-Dacromet Coating Technology

Ibhawodi ye-flange ifaka i-flange eyindilinga ebalulekile ngaphansi kwekhanda eliyi-hexagonal esebenza njengewasha eyakhelwe ngaphakathi. Lo mklamo usabalalisa amandla okubamba phezu kwendawo enkulu ethwalayo, yehlisa umonakalo ongaphezulu futhi ithuthukisa ukumelana nokuxegiswa okubangelwa ukudlidliza. Lapho la mabhawodi ethola i-Dacromet coating, inhlanganisela ikhiqiza isibambiso esinikeza kokubili ukwethembeka komshini kanye nokuphakama. anti-ukugqwala futhi ukumelana nokugqwala ukusebenza. I-coating encane (imvamisa engu-5-12 μm) igcina i-geometry yentambo enembile.

2.1 Ukwakheka Kokuhlanganisa kanye Nenqubo

I-Dacromet iwukusabalalisa okunamanzi kwama-zinc flakes, ama-aluminium flakes, nama-chromium oxides. Inqubo engeyona eye-electrolytic ngokuvamile ihilela: (1) ukuhlanza indawo ngaphandle kokucoshwa kwe-asidi okunolaka; (2) ukufaka i-dip-spin, i-dip-drain noma isifutho; kanye (3) nokwelapha cishe ku-300°C ukuze kuhlanganiswe ama-flakes zibe izendlalelo ezeqinayo. Ifilimu ye-metallic silver-gray ewumphumela inikeza izendlalelo eziningi ukumelana ne-oxidation kanye nethembekile umgoqo womswakama.

2.2 Izindlela Zokuvikela Ukugqwala

I-Dacromet ifinyelela okuyingqayizivele anti-ukugqwala ukusebenza ngezindlela ezintathu ze-synergistic:

Ukuvikelwa Kwezithiyo: I-zinc ne-aluminium flakes egqagqene kudala umgoqo we-labyrinthine ovimbela amanzi, umoya-mpilo, nama-ion abolayo njengama-chloride.
Ukuvikelwa Komhlatshelo (Cathodic): Ama-zinc flakes adla ngokukhetha, asebenze njenge-anode yomhlatshelo evikela i-substrate yensimbi ekubunjweni kokugqwala.
Passivation kanye nokuziphilisa: Izinhlanganisela ze-Chromate zakha ifilimu ye-passive futhi ingathuthela emiklwebheni emincane, inikeze okuqhubekayo ukuvimbela ukugqwalakanye nekhono lokuzilungisa.

3. Izinzuzo ezibalulekile ze-Dacromet Flange Bolts

Uma kuqhathaniswa nokwelashwa okujwayelekile kwendawo, amabhawodi e-Dacromet flange anikeza inhlanganisela eyingqayizivele yezinzuzo zokusebenza:

Ukumelana ne-Superior Salt Spray: Ngokuvamile kudlula amahora angu-1,000–1,200 okuhlolwa kwesifutho sikasawoti esimaphakathi (ISO 9227) ngaphandle kokugqwala okubomvu—ngokuvamile izikhathi ezi-7–10 kangcono kunezimbozwe ezenziwe ngogesi.
Ingozi Ye-Zero Hydrogen Embrittlement: Inqubo engeyona eye-electrolytic iqeda ukukhiqizwa kwe-hydrogen, okwenza i-Dacromet ilungele amabhawodi anamandla aphezulu weBanga 8.8, 10.9, no-12.9.
I-coating Ezacile, Ezinzile: Ku-5-12 μm kuphela, ukunamathela kugcina ukunemba kwentambo futhi kuvumela amantongomane ajwayelekile ukuthi asetshenziswe ngaphandle kokuthepha kabusha.
Ukumelana Nokushisa Okuhle Kakhulu: Igcina ubuqotho bokuvikela kufika ku-300°C, iphakeme kakhulu kunezimbobo ezivamile ze-zinc ezehlisa ngaphezu kuka-100–200°C.
Isimo Sezulu Esivelele Nokumelana Namakhemikhali: Imelana nomkhathi wezimboni, usawoti womgwaqo, ama-asidi athambile nama-alkali kuyilapho inikeza isikhathi eside anti-ukugqwalaukusebenza ngaphandle.
Ukulawulwa Okuhle Kwe-Friction: Ngama-topcoat agcotshisiwe ongawakhetha, i-coefficient of friction ingalawulwa ngokuqinile ukuze kulayishwe i-clamp ethembekile.

4. Ukuqhathanisa Ukusebenza Nezingubo Zomdabu

Ithebula elingezansi lifingqa umehluko obalulekile kuwo ukuvikela ukugqwala nezici zokugqoka.

Impahla	I-Dacromet	I-Electro-Galvanizing	I-Hot-Dip Galvanizing
Ukuqina Kokunamathela	5–12 μm	5–15 μm	40-80 μm
Isifutho sikasawoti (akukho ukugqwala okubomvu)	≥1,000–1,200 h	100–300 h	500–800 h
I-Hydrogen Embrittlement	Lutho	Ingozi ephezulu	Ingozi emaphakathi
Ukumelana Nokushisa	Kufika ku-300°C	≤100°C	≤200°C
I-Thread Fit Impact	Okuncane / okuhle kakhulu	Kancane	Ngokuvamile kudinga ukuthepha kabusha

Ithebula 1. Ukusebenza okuqhathanisayo kwe-Dacromet ne-zinc coatings evamile yezinsimbi.

5. Izicelo Ezijwayelekile

Amabhawodi e-Dacromet flange acaciswa noma kuphi lapho aphakeme khona ukumelana nokugqwala kufanele kuhlanganiswe nokuthembeka komshini:

Ezezimoto: I-chassis, ukumiswa, amasistimu amabhuleki kanye nezingxenye zangaphansi ezivezwe kusawoti womgwaqo.
Amandla omoya nezilwandle: Ama-Tower flanges, ama-nacelle assemblies kanye nokuxhumana kwesakhiwo ku-saline atmospheres.
Ezokwakha nengqalasizinda: Amabhuloho, amabhilidi asogwini, izinsimbi zokugada ezidinga isikhathi eside ukuvimbela ukugqwala.
Imishini enzima nojantshi: Izisetshenziswa ezisendaweni enomswakama noma enolaka lwamakhemikhali lapho anti-ukugqwalaukusebenza kubalulekile.

6. Imininingwane Ejwayelekile

Amabhawodi e-Dacromet flange akhiqizwa emazingeni amakhulu wamazwe ngamazwe kanye namamaki wamandla:

Ipharamitha	Ibanga / Amanani Ajwayelekile
Amazinga	I-DIN 6921, ISO 4162, GB/T 5787 / 5789, ASME B18.2.1
Amabanga Amandla	8.8, 10.9, 12.9 (metric); I-SAE Grade 5/8 (intshi)
Ububanzi bochungechunge	I-M5–M24 (metric); 1/4"–5/8" (inkosi)
Ibanga Lobude	10 mm – 200 mm (ubude bangokwezifiso buyatholakala)
Ukuqina Kokunamathela	Ivamise ukuba ngu-5–12 μm (okuhlukile kweBanga A/B)
Ukubukeka	I-Metallic silver-gray (matte)

7. Imikhuba Engcono Kakhulu Yokufaka & Isiphetho

Ukwandisa i- anti-ukugqwala impilo yesevisi ye-Dacromet flange bolts: sebenzisa amantongomane ahlanganiswe ne-Dacromet namawasha lapho kungenzeka khona; landela amanani we-torque anconyiwe (ukungqubuzana okulawulwayo kusekela umthwalo we-clamp onembile); gwema umonakalo omkhulu wemishini ngesikhathi sokuphatha; futhi ugcine izixhumi ezimweni ezomile ngaphambi kokusetshenziswa.

Kafushane, amabhawodi e-Dacromet flange amelela isisombululo esivuthiwe, esisebenza kahle kakhulu esibhekana ngokuphumelelayo nezidingo ezimbili zokuthembeka kwemishini kanye nesikhathi eside. ukuvikela ukugqwala. Ngokuhlanganisa izinzuzo zokusabalalisa umthwalo wedizayini ye-flange ehlanganisiwe ne-zinc-aluminium flake encane, esebenza kahle kakhulu, lezi zibophelelo ziletha okuvelele. anti-ukugqwala ukusebenza, susa izingozi ze-hydrogen embrittlement, nokugcina ukulawula okunembe kobukhulu.

Ezindaweni lapho izibophelelo ezivamile ezifakwe ugesi zikagesi noma idiphu elishisayo zingahlupheka ngaphambi kwesikhathi. ukugqwala kanye nokucekelwa phansi—izilungiselelo zasogwini, zasolwandle, zezimoto, nezimboni—amabhawodi e-Dacromet flange ahlinzeka ngenye indlela efakazelwe, ehlala isikhathi eside. Okuhle kakhulu kwabo isimo sezulu, ukumelana ne-oxidation, futhi ukuvikelwa komhlatshelo izindlela ziqinisekisa impilo yesevisi eyandisiwe kanye nezindleko zokuyilungisa ezincishisiwe, okuzenza zibe ukukhetha okuthandwa kakhulu konjiniyela nabaklami emhlabeni wonke.