
2026-10-20
Iibholithi zeDacromet Ziziqhoboshi ezisebenza ngokuphezulu ezigqunywe ngenkqubo ye-zinc-flake ebonelela ngokumelana nokugqwesa okuphezulu, okudlula iiyure ezili-1,000 kuvavanyo lwesitshizi setyuwa. Ngokungafaniyo ne-electroplating yesintu, le nto yokwambathisa ayina-chromium (kwimixube yale mihla), iyahambelana nokusingqongileyo, kwaye inika ukumelana nobushushu obugqwesileyo ukuya kuma-300°C. Kubathengi be-B2B, ukukhangela kumenzi onamava kuqinisekisa ubudlelwane obungaguqukiyo be-torque-tension kunye nokubambelela kwimigangatho yamazwe ngamazwe efana ne-DIN, ISO, kunye ne-ASTM.
A ibholithi yedacromet ibhekisa kwisibophelelo sentsimbi esiphathwa ngenkqubo ethile yokwaleka i-zinc-aluminium flake. Iphuhliswe ekuqaleni njengegama le-brand, "i-Dacromet" iye yaba ligama leshishini eliqhelekileyo kwi-zinc flake yomgangatho ophezulu wokugquma okungabandakanyi umngcipheko we-hydrogen embrittlement ehambelana ne-electroplating eqhelekileyo.
Ukwaleka kubandakanya i-zinc encinci kunye neeflakes ze-aluminiyam ezidityaniswe kunye ne-inorganic binder. Esi sakhiwo senza umaleko wokukhusela umqobo ngelixa kwangaxeshanye unikezela ngokhuseleko lombingelelo (cathodic). Ukuba i-coating ihlanjululwe, i-zinc iyazincama ukukhusela i-substrate yensimbi engaphantsi kwi-rust.
Kwizicelo zoshishino, ukhetho lonyango oluphezulu luchaphazela ngokuthe ngqo ixesha lokuphila kunye nokhuseleko lwendibano. Nangona i-electro-zinc plating ixhaphake kwiindleko eziphantsi, izicelo zangaphakathi, zisilela ngokukhawuleza kwiindawo ezinzima. Itekhnoloji yeDacromet ijongana nale mida ngokusebenzisa isayensi yezinto eziphambili.
Kwiinjineli kunye neengcali zokuthengwa kwempahla, ukuqonda izibonelelo zokuthelekisa kubalulekile ekukhetheni isiqhoboshi esifanelekileyo kwiiprojekthi ezibandakanya ukuvezwa ngaphandle, ukudibana neekhemikhali, okanye ukungcangcazela okuphezulu.
| Uphawu | I-Dacromet (i-Zinc Flake) | Electro-Zinc Plating | Hot-Dip Galvanizing |
|---|---|---|---|
| Ukumelana noKutya (NSS) | Phezulu (500 - 1000+ iiyure) | Phantsi (24 - 96 iiyure) | Phezulu kakhulu (1000+ iiyure) |
| I-Hydrogen Embrittlement Risk | Akukho nanye | Iphezulu (yentsimbi ephezulu) | Phantsi |
| Ukutyeba kokutyabeka | Mncinci (8-12 µm) | Mncinci (5-15 µm) | Ukutyeba (50-100+ µm) |
| Ukuchaneka koMda | Igqwesile (ilingana namandongomane asemgangathweni) | Egqwesileyo | Imbi (imisonto isoloko ifuna ukucofa kwakhona) |
| Ukumelana nobushushu | Ukuya kuthi ga kuma-300°C | Phantsi (amadyungudyungu ku>100°C) | Phakathi |
| Ukuthotyelwa kokusiNgqongileyo | I-RoHS/REACH iyahambelana (I-Cr-Free) | Iyahluka (ihlala iqulathe i-Cr6+) | Ukuthobela ngokubanzi |
Njengoko kubonisiwe kwitheyibhile, iibholiti zedacromet zinika ibhalansi eyodwa yokumelana nokukhula okuphezulu kunye nokuchaneka komda. Ngokungafaniyo ne-hot-dip galvanizing, eyongeza ubukhulu obubalulekileyo kwaye inokuphazamisa ukubandakanyeka kwentambo, i-Dacromet igcina ukunyamezela kokuqala kwebholithi. Oku kuyenza ibe lolona khetho lukhethwayo kubunjineli obuchanekileyo, iindibano zeemoto, kunye noomatshini abanzima apho ukufaneleka kubaluleke kakhulu.
Ukuveliswa kweebholiti eziphezulu ze-dacromet kufuna ulawulo olungqongqo lwenkqubo. E-Hebei Fujinrui Metal Products Co., Ltd., eyasekwa ngo-2004 kwisiXeko sase-Handan, kwiPhondo le-Hebei, ukuhamba komsebenzi wokuvelisa kudibanisa imveliso yokuqinisa kunye nokhuseleko oluphezulu lwentsimbi. Ngaphezulu kweminyaka engama-20 yamava kunye nabasebenzi abangaphezulu kwama-200 abantu, eli ziko liqinisekisa ukuba ibhetshi nganye ihlangabezana nemigangatho engqongqo yehlabathi.
Le ndlela edibeneyo ivumela abavelisi abafana no-Hebei Fujinrui ukuba bavelise izikhonkwane zokuzibhobhoza, iibholiti ze-hexagonal, iibholiti ze-flange, kunye ne-washers ezinomgangatho ohambelanayo. Indawo yenkampani ye-10,000-square-meter isekela imveliso yonyaka wonke ye-American, German, kunye ne-standard standard fasteners, ukuthumela ngaphandle ngokuthembekileyo eYurophu, eMelika, nakuMbindi Mpuma.
Ngenxa yeepropathi zazo ezikhuselayo, iibholiti ze-dacromet zisetyenziswa kuwo wonke amashishini afunekayo. Ukukwazi kwabo ukumelana noxinzelelo lwendalo ngaphandle kokubeka esichengeni isidima solwakhiwo kubenza babaluleke kakhulu kumacandelo aliqela.
Iinqwelo-mafutha zale mihla zifuna iziqhoboshi ezikwaziyo ukumelana netyuwa endleleni, uthuli lwebrake kunye nobushushu benjini. Iibholiti zeDacromet zisetyenziswa kakhulu kwi:
Ukungabikho kwe-hydrogen embrittlement kubaluleke kakhulu apha, njengoko izibophelelo zeemoto zihlala zisebenzisa i-high-tensile steel (iBanga le-10.9 kunye ne-12.9) ukunciphisa ubunzima ngelixa ugcina amandla.
Kulwakhiwo lwentsimbi, iibhulorho, kunye neefacade zangaphandle, ukuxhathisa umhlwa kubaluleke kakhulu. Iibholiti zesakhiwo ezigqunywe yiDacromet zibonelela ngokuhlala ixesha elide ngokuchasene nemvula, ukufuma, kunye nongcoliseko lomoya. Zikhethwa ngaphezu kweebholithi ezishushu zediphu kwimidibaniso efuna ulungelelwaniso oluchanekileyo, olufana noqhagamshelo lokubamba ukukhuhla okuphakamileyo.
Iiinjini zomoya zisebenza kwindawo etyhilekileyo, ehlala kude nonxweme enokufuma okuphezulu kunye nesitshizi setyuwa. Iifama zeSolar zijongene nemingeni efanayo kunye nokuhamba ngebhayisikile eshushu. Iibholiti ze-Dacromet zikhusela izakhiwo ezibalulekileyo zokuxhoma kunye namacandelo e-turbine ekungaphumeleli kwangaphambi kwexesha, ukunciphisa iindleko zokugcinwa kubomi beprojekthi.
Izixhobo zezolimo kunye noomatshini bokwakha basebenza kwiindawo ezinodaka, ezirhabaxa, nezinobukroti bekhemikhali (izichumisi, izibulali-zinambuzane). Ubume obungqingqwa, obuhlala ixesha elide be-zinc-flake coating imelana nomonakalo owenziwe ngumatshini ngcono kune-electroplating encinci, ukwandisa ubomi benkonzo yezixhobo.
Ukukhetha i-fastener echanekileyo kubandakanya okungaphezulu nje kokuchaza i-coating. Iinjineli kunye nabathengi kufuneka bathathele ingqalelo ibakala lemathiriyeli, uhlobo lwentambo, kunye nokuthotyelwa kwemithetho. Nasi isikhokelo sokwenza isigqibo esinolwazi.
Chonga iimfuno zomthwalo womatshini. Amanqaku aqhelekileyo aquka:
Qinisekisa ukuba umboneleli ubonelela ngeRoHS kunye namaxwebhu okuthotyelwa kwe-REACH. Imiqulu ye-Dacromet yanamhlanje i-Chromium-6 yasimahla (i-Cr6+), into eyityhefu ethintelwe kwi-EU nakwezinye iimarike. I-Hebei Fujinrui Metal Products Co., Ltd. ibambelela kule migangatho yokusingqongileyo, iqinisekisa ukukhutshwa kwezithethe ezigudileyo zokuthunyelwa eYurophu nakuMntla Melika.
Ekubeni i-Dacromet yongeza umaleko obhityileyo (ngokuqhelekileyo i-8-12 microns), ihambelana ngokubanzi ne-ISO metric nuts. Nangona kunjalo, kwizicelo ezibalulekileyo, khankanya iklasi yokunyamezela (umzekelo, 6g kwimicu yangaphandle). Soloko uvavanya iisampulu phambi kokuveliswa kobuninzi ukuqinisekisa ukudityaniswa okugudileyo.
Ayingabo bonke abavelisi abanemigca yokwaleka yangaphakathi. Ukugqithiswa kwempahla kunokukhokelela ekungahambelani komgangatho. I-Hebei Fujinrui idibanisa imveliso ye-fastener kunye nokukhuselwa kwentsimbi, evumela ukulawula umgangatho ongqongqo. Ngeqela letekhnoloji yemveliso eqolileyo kunye namava angaphaya kwamashumi amabini eminyaka, babonelela ngekhonkco lokubonelela elithembekileyo kwiibholiti ezinehexagonal, iibholiti zeflange, iinati, kunye newashers.
Ngelixa isetyenziswa rhoqo ngokutshintshanayo, kukho ukungafani kobugcisa. Zomibini ziingubo ze-zinc-flake. "I-Dacromet" ngokuqhelekileyo ibhekisela kwisambatho esisisiseko kuphela, ngelixa i-"Geomet" ihlala ibandakanya i-topcoat (i-sealer) yokongeza i-lubricity kunye nokuchasana kweekhemikhali. Nangona kunjalo, kusetyenziso lwangoku lwentengiso, omabini la magama achaza ukusebenza okuphezulu, iinkqubo ezingenazinc-alflake zechromium. I-Hebei Fujinrui ivelisa izinto ezahlukeneyo ezifanelekileyo kwiimfuno ezisemgangathweni kunye neziphezulu zokuthambisa.
Hayi. I-coating iqulethe i-zinc kunye ne-aluminiyam, eyenza umphunga xa ubushushu be-welding, idala umsi oyityhefu kwaye ibangele i-weld porosity. I-Welding kufuneka yenziwe ngaphambi kokugquma, okanye ezinye iindlela zokudibanisa ngoomatshini kufuneka zisetyenziswe. Ukuba i-welding iyimfuneko kufuphi ne-fastener, i-coating iya kutshatyalaliswa kwindawo, ibeka engozini ukukhuselwa kwe-corrosion kuloo ndawo.
Ubomi buxhomekeke kwimekobume. Kwiimeko zangaphakathi, zinokuhlala amashumi eminyaka. Kwiindawo ezingaphandle ezimodareyithayo, ngokuqhelekileyo zidlula iminyaka eyi-10-15 ngaphandle kokubonakala komhlwa obomvu. Kwiindawo ezinzima zaselwandle okanye kwi-industrial atmospheres, zigqithisa kakhulu i-electro-zinc plating, nangona ukuhlolwa rhoqo kunconywa kwizakhiwo ezibalulekileyo zokhuseleko.
Isiseko se-Dacromet coefficient ine-coefficient ephezulu yokukhuhlana. Kusetyenziso olufuna ulawulo oluchanekileyo lwetorque-tension (njengeebhloko zenjini yemoto), idyasi okanye isithambiso sihlala sisetyenziswa. Ababoneleli abaninzi, kuquka i-Hebei Fujinrui, banokufaka i-topcoat ye-organic okanye ye-inorganic ukuze balungelelanise i-coefficient ye-friction (K-factor) ngokweenkcukacha zabaxhasi.
Ewe. Izinto ezisisiseko yintsimbi, eyi-ferromagnetic. Ingubo ye-zinc-aluminium ayinamagnetic kodwa incinci kakhulu, ngoko ibholithi igcina iimpawu zayo zamagnetic. Oku kuluncedo kukhetho oluzenzekelayo kunye nokuphathwa ngexesha lokuhlanganisa.
Xa kufunwa izinto ezivela eTshayina, ukungaguquguquki komgangatho yeyona nto iphambili kubathengi bamazwe aphesheya. IHebei Fujinrui Metal Products Co., Ltd. ijongana noku ngenkqubo yolawulo olubanzi lomgangatho. Ifumaneka kwisiXeko sase-Handan, indawo ephambili yokwenziwa kwe-fasteners, inkampani ifumana inzuzo yokubonelela ngenkonzo yasekhaya ngelixa igcina ulawulo olungqongqo lwangaphakathi.
Inkampani ivelisa uluhlu olubanzi lweemveliso ezibandakanya i-self-drilling screws, i-flat kunye ne-spring washers, kunye neentlobo ezahlukeneyo ze-bolt ezihambelana ne-American (ANSI / ASME), isiJamani (DIN), kunye nemigangatho yamazwe ngamazwe (ISO). Oku kuguquguquka kubavumela ukuba bakhonze iimarike ezahlukeneyo eYurophu, eMelika, nakuMbindi Mpuma ngokufanelekileyo.
Iimpawu eziphambili zomgangatho ziquka:
Ngamaxabiso akhuphisanayo kunye neemveliso ezikumgangatho ophezulu, iHebei Fujinrui izibeka njengeqabane lobuchule kumashishini ajonge ukukhulisa ikhonkco lawo lokubonelela ngaphandle kokubeka esichengeni ukusebenza kobugcisa.
Ukukhetha umthengisi ofanelekileyo we-fastener sisigqibo esibalulekileyo esichaphazela ukuthembeka kwemveliso, ukusebenza kakuhle kwendibano, kunye neendleko zokugcinwa kwexesha elide. Iibholithi zeDacromet ukumela isisombululo esiphezulu kumashishini afuna ukuxhathisa okuphezulu kwe-corrosion, ukuzinza kobushushu, kunye nenkululeko kwi-hydrogen embrittlement. I-coat yabo ebhityileyo, echanekileyo ibenza bafaneleke kwizicelo eziphezulu zamandla apho ukuchaneka kwe-dimensional kungaxoxiswana.
Kubathengi abafuna iqabane elithembekileyo, i-Hebei Fujinrui Metal Products Co., Ltd. inikeza indibaniselwano enyanzelisayo yamava, umthamo, kunye nobuchule bobugcisa. Yasekwa ngo-2004, ngaphezu kweminyaka engama-20 kushishino olukhawulezayo, inkampani iye yacokisa imveliso yayo kunye neenkqubo zokugquma ukuze ihlangabezane nemigangatho yehlabathi. Ukukwazi kwabo ukuvelisa iindidi ezininzi zokudibanisa-ukusuka kwi-hexagonal kunye ne-flange bolts ukuya kwi-self-drilling screws-phantsi kophahla olulodwa kwenza kube lula ukuthenga kunye nokuqinisekisa umgangatho ohambelanayo.
Nokuba ufuna ukudityaniswa kweemoto, iiprojekthi zokwakha, okanye oomatshini bemizi-mveliso, usebenzisana nomvelisi obuqondayo zombini isinyithi kunye nobugcisa bokugquma kubalulekile. Ukuzinikela kukaHebei Fujinrui kumgangatho, ukuthotyelwa kokusingqongileyo, kunye namaxabiso okhuphiswano kubenza babe ngumgqatswa owomeleleyo kumjikelo wakho olandelayo wokuthenga.
Ngaba ukulungele ukwandisa isixokelelwano sakho sobonelelo?
Qhagamshelana neqela lethu lokuthengisa lobugcisa namhlanje ukuxoxa ngeemfuno zakho ezithile. Sinikezela ngezisombululo zesiko, uvavanyo lwesampulu, kunye neekowuteshini ezineenkcukacha kwii-odolo ezininzi. Qinisekisa ukuba iiprojekthi zakho zakhelwe kwisiseko sokuthembeka kunye nokumelana nomhlwa.