
2026-09-21
Ibikoresho bya flange ni ibyuma bifata cyane bikoreshwa cyane muri sisitemu yo kuvoma, imiyoboro y’umuvuduko, guhuza ibyuma byubatswe, guteranya amamodoka, amashanyarazi y’umuyaga, inganda za peteroli, n’ibikoresho bikomeye byo mu nganda. Izi bolts zihariye zitanga umutekano, zidashobora kumeneka hagati ya flanges munsi yumuvuduko mwinshi nuburemere bwimashini. Nyamara, mubikorwa nyabyo byisi birimo ubushuhe, gutera umunyu, imiti mvaruganda, ubuhehere bwinshi, cyangwa ikirere cyo ku nkombe, ibyuma bisanzwe birashobora kwibasirwa cyane na ruswa. Gutera imbere kwa okiside bigabanya imbaraga zo gufatana, bigatera kumeneka hamwe, bigabanya ubusugire bwimiterere, kandi biganisha kunanirwa hakiri kare.
Kugira ngo ibyo bibazo bikemuke, inganda zigezweho zishingiye ku buhanga bugezweho bwo kurinda ubuso. Mubisubizo bifatika ni Dacromet (bizwi kandi nka Dacomet cyangwa zinc-aluminium flake). Dacromet-isize flange bolts itanga indashyikirwa Kurwanya ruswa, bidasanzwe Kurwanya ingese imikorere, hamwe nigihe kirekire kwirinda ingese. Iyi ngingo itangiza Dacromet flange bolts muburyo burambuye, ikubiyemo ibihimbano, ibyiza byo gukora, ibiranga tekinike, nagaciro gakoreshwa mugusaba kurwanya ruswa ibidukikije.
Dacromet ni sisitemu yo hejuru cyane ya zinc-aluminium flake yo gutwikisha yatejwe imbere nkuburyo bugezweho bwo gukoresha amashanyarazi gakondo hamwe na hot-dip galvanizing. Igipfundikizo kigizwe nibice byinshi bya zinc na aluminiyumu byahagaritswe muburyo budasanzwe. Nyuma yo gukoreshwa ukoresheje dip-spin, spray, cyangwa dip-drain uburyo hamwe no gukiza ubushyuhe bwo hejuru, flake ikora inzitizi yuzuye, igizwe ninzego nyinshi zitanga uburyo bwinshi bwa kurwanya ruswa kurinda.
Bitandukanye na plaque zinc zisanzwe zishingiye kumurongo umwe uhoraho, imiterere ya lamellar ya zinc na aluminiyumu ikora inzira igoye itinda cyane kwinjira mumazi, ogisijeni, na ion ya chloride. Iyi microstructure idasanzwe igize urufatiro rwo hejuru Kurwanya ruswa kandi biramba kwirinda ingese ubushobozi. Ubusanzwe Dacromet itwikiriye uburebure buri hagati ya micrometero 5 na 12 (μm). Nubwo ifite ubunini buke, Dacromet ikoreshwa neza irashobora kugera kumurwanya wumunyu urenga amasaha 1.000 - kandi akenshi amasaha arenga 2000 - utagaragara neza. Uru rwego rwa Kurwanya ingese Imikorere irenze kure ibisanzwe bya electro-galvanized coatings kandi akenshi irusha hot-dip galvanizing mugihe cyikizamini cyigihe kirekire.
Dacromet flange bolts ihuza imashini yizewe hamwe nibisumba kurwanya ruswa kuramba, kubigira byiza cyane-imbaraga-zikomeye hamwe no gufunga porogaramu.
Impamvu yibanze yo guhitamo Dacromet-isize flange bolts ni idasanzwe Kurwanya ruswa. Ibizamini byigenga byumunyu wigenga (ASTM B117 / ISO 9227) byerekana ko imyenda ya Dacromet ihanganira amasaha 1.000 kugeza 2000 cyangwa irenga mbere yuko ingese itukura igaragara. Isuzuma rigereranya ryerekana ko Dacromet itanga inshuro 3 kugeza 10 nziza Kurwanya ingese imikorere kuruta zinc electroplating. Uyu murwego rwo hejuru kwirinda ingese Ubushobozi busobanurwa mubuzima bwagutse cyane kubikorwa bya flange ihuza ibidukikije bikaze nkibidukikije, inyanja, ninganda.
Imbaraga zikomeye za flange (icyiciro cya 8.8, 10.9, 12.9 na ASTM A490 / F3125 yubatswe) zumva cyane cyane kwinjiza hydrogène. Amashanyarazi gakondo arimo gutoranya aside hamwe no gushira electrolytike ishobora kwinjiza hydrogène mubyuma, bishobora kuvunika gutinda kuvunika. Dacromet ni inzira itari electrolytike yirinda ibi byago, bigatuma Dacromet ivurwa na bolts ihitamo kurwanya ruswa igisubizo kuri flang-tensile ndende.
Hamwe n'ubugari busanzwe bwa 5-12 mm gusa, firime ya Dacromet ntabwo ihindura cyane ibipimo byurudodo cyangwa ngo ibangamire kwishora mubitunga. Ibinyuranyo, gushyushya-gushiramo imbaraga akenshi bitanga umubyimba mwinshi, utaringaniye wuzuza insinga kandi bisaba utubuto twinshi. Dacromet flange bolts irashobora rero guteranyirizwa hamwe nutubuto dusanzwe mugihe tugitanga ibintu byiza Kurwanya ruswa na Kurwanya ingese kurinda.
Imyenda ya Dacromet ikomeza iyabo kurwanya ruswa ubunyangamugayo ku bushyuhe bwo hejuru (mubusanzwe bugera kuri 250–300 ° C), bufite agaciro kumashanyarazi hafi ya moteri, sisitemu yo kuzimya, cyangwa inyubako zo hanze. Igifuniko gitanga ibintu bine byuzuzanya kwirinda ingese uburyo: (1) Kurinda inzitizi zuzuye zinc-aluminium; (2) Kurinda ibitambo bya Galvanic na zinc; (3) Ingaruka yo kwikosora binyuze muri oxyde yuzuza ibyangiritse byoroheje; na (4) Passivation by inorganic binder idindiza iterambere ryangirika.
Bitewe n'indashyikirwa zabo kurwanya ruswa na Kurwanya ingese imitungo, Dacromet flange bolts irasobanuwe cyane mubikorwa bisaba kwizerwa igihe kirekire mubihe byangirika:
Guhitamo Dacromet-isize flange bolts izana ibyiza byinshi bifatika:
Mu gusoza, Dacromet flange bolts yerekana igisubizo gikuze, gikora neza cyane kubashakashatsi hamwe nababigize umwuga basaba kwizerwa no gukanika kurwanya ruswa kurinda. Binyuze muburyo budasanzwe bwo kurinda inzitizi, ibikorwa bya zinc ibikorwa, imyitwarire yo kwikiza, hamwe na passivisiyasi, Dacromet coatings itanga bidasanzwe Kurwanya ruswa, indashyikirwa Kurwanya ingese ubushobozi, hamwe nigihe kirekire kwirinda ingese. Yaba ikoreshwa muri turbine yumuyaga wo hanze, ibikorwa remezo byo ku nkombe, chassis yimodoka, inganda za peteroli, cyangwa ibikoresho byinganda zikomeye, Dacromet yubatswe na flange bolts ihora irusha ubuvuzi gakondo kuburambe kandi bwizewe.
Kubihuza bikomeye bya flange byerekanwe kumikorere ya serivise yangirika, kwerekana Dacromet flange bolts nicyemezo cyiza cya tekiniki cyongera umutekano, kigabanya ibiciro byubuzima, kandi kigatanga ubunyangamugayo burambye binyuze murwego rwo hejuru Kurwanya ruswa kandi byizewe kwirinda ingese.