Njira yopangira chithandizo chapamwamba: galvanizing, phosphating, blackening, ndiyenera kusankha iti?

M'makampani amakono, zomangira ndizofunikira kwambiri pakulumikiza magawo, ndipo magwiridwe antchito amakhudza mwachindunji kukhazikika ndi chitetezo cha zida zonse. Kuchiza pamwamba pa zomangira sizikugwirizana ndi maonekedwe awo okongola, komanso ntchito zawo zotsutsana ndi dzimbiri komanso moyo wautumiki. Choncho, kusankha njira yoyenera yochitira chithandizo chapamwamba kwakhala gawo lofunika kwambiri la kupanga fastener lomwe silinganyalanyazidwe.

Choyamba, tiyeni tikambirane za electrogalvanizing ambiri ntchito. NDIlectrogalvanizing zakhala zokutira wamba zomangira zamalonda zomwe zimakhala zotsika mtengo komanso zowoneka bwino. Komabe, machitidwe ake odana ndi dzimbiri sakhala opambana, makamaka m'malo achinyezi kapena malo owononga, ndipo kulimba kwake kuyenera kuwongolera. Pofuna kuthetsa vutoli, ma sealers ena apadera adayambitsidwa kuti atalikitse moyo wake woletsa dzimbiri. Koma mtengo wa chithandizo choterocho wakweranso, ndipo uyenera kuunika molingana ndi momwe akugwiritsira ntchito.

Chotsatira ndiphosphating. Phosphating sizotsika mtengo, komanso imakhala ndi kukana bwino kwa dzimbiri komanso kukana kuvala, makamaka koyenera ma bolts amphamvu kwambiri. Kupaka mafuta pambuyo pa phosphating kumatha kupititsa patsogolo magwiridwe ake odana ndi dzimbiri ndipo ndikoyenera kulumikizana ndi magawo ofunikira. Ndikoyenera kutchula kuti phosphating imathanso kupewa hydrogen embrittlement, yomwe ndi chinthu chomwe chiyenera kuganiziridwa popanga ma bolts amphamvu kwambiri.

Tiye tikambiraneoxidation (kuda)chithandizo. Njira yothandizirayi ndiyotsika mtengo kwambiri, koma ichita dzimbiri msanga pakalibe mafuta. Choncho, nthawi zambiri amaphatikizidwa ndi mafuta kuti awonjezere moyo wautumiki. Ngakhale kukana kwa dzimbiri kumakhala kochepa, ikadali kusankha kopanda ndalama nthawi zina zotsika mtengo.

Cadmium electroplatingimagwira ntchito bwino m'malo am'mlengalenga am'madzi chifukwa cha kukana kwa dzimbiri. Komabe, kukwera mtengo komanso kuwononga ndalama zochizira zamadzimadzi panthawi yokonza zimachepetsa ntchito yake. Chromium electroplating imadziwika chifukwa cha kuuma kwake kwakukulu komanso kukana kuvala, koma ilinso ndi ndalama zambiri komanso zovuta za hydrogen embrittlement.

Nickel platingndi njira yochizira pamwamba yomwe imatha kuteteza dzimbiri ndikusunga ma conductivity abwino. Amagwiritsidwa ntchito kwambiri nthawi zomwe kukana dzimbiri komanso madulidwe amafunikira, monga malo otsogolera mabatire agalimoto.

Kutentha kwa dip galvanizing ndi kulowa kwa Zincndi njira ziwiri zochizira pamwamba zomwe zimagwiritsidwa ntchito kwambiri muukadaulo. Hot-dip galvanizing imadziwika ndi ❖ kuyanika kwake yokhuthala komanso kukana kwa dzimbiri, koma imatha kuyambitsa zovuta poboola ulusi wamkati ndi kunja. Kulowetsedwa kwa zinc kumakondedwa chifukwa cha kufanana kwake, mphamvu yolumikizana kwambiri ndi gawo lapansi, komanso kuteteza chilengedwe komanso kusaipitsidwa.

Pomaliza, tiyenera kutchulaDacrometchithandizo. Mitundu yatsopanoyi ya anti-corrosion № ili ndi ntchito yabwino kwambiri yotsutsa dzimbiri, komanso ilibe vuto la hydrogen embrittlement komanso kusasinthika kwa torque-preload. Komabe, ndi okwera mtengo ndipo ali ndi mavuto a chilengedwe, choncho ayenera kugwiritsidwa ntchito pambuyo poganizira mozama za mtengo ndi zofunikira zachilengedwe.

Mwachidule, kusankha kwa mankhwala ophatikizira pamwamba kumayenera kuganizira mozama zinthu zingapo monga anti-corrosion performance, mtengo, malo ogwiritsira ntchito, zofunikira zachilengedwe, komanso zofunikira pakuchita kwa chomangira chokha. Pokhapokha popeza njira yabwino kwambiri yothandizira pamwamba tingathe kuonetsetsa kuti cholumikizira chimakhala chokhazikika komanso chitetezo chodalirika pakugwiritsa ntchito nthawi yayitali.

Webusaiti Yathu:https://www.fastoscrews.com/, omasuka Lumikizanani nafe.