Mau oyamba a Dacromet Flange Bolts-High-Performance Fasteners for Demanding Environments 

2. Kumvetsetsa Flange Bolts

Bawuti ya flange ndi chomangira chapadera chomwe chimakhala ndi flange yayikulu, yozungulira yomwe ili pansi pamutu wa bawuti. Flange iyi imagwira ntchito mofanana ndi makina ochapira omangidwira, kugawa katundu wothirira pamalo okulirapo. Powonjezera pamwamba pamtunda, ma flange amachepetsa chiopsezo cha kuwonongeka kwa zinthu zomwe zimagwirizanitsidwa ndikuthandizira kuti mutu wa bawuti usakoke kupyola zipangizo zoonda kapena zofewa.

Zofunikira zazikulu zamapangidwe a ma flange bolts ndi awa:

Integrated flange: Imachotsa kufunikira kwa makina ochapira osiyana muzinthu zambiri, kumathandizira kuphatikiza ndikuchepetsa kuchuluka kwa magawo.

Kugawa katundu mowongoleredwa: Kulumikizana kwakukulu kumachepetsa kupsinjika komwe kumachitika pamalo okwerera.

Zosankha zotsatiridwa: Zovala zambiri za flange zimakhala ndi ma serrange (mano) pansi pa flange, omwe amakumba pansi kuti azitha kukana kumasuka chifukwa cha kugwedezeka.

Mitundu yodziwika bwino yamutu: Ma hexagonal head flange bolts ndi omwe amagwiritsidwa ntchito kwambiri, kulola ma wrench kapena socket kukhazikitsa.

Maboti a Flange amapangidwa m'makalasi osiyanasiyana amphamvu (monga Giredi 8.8, 10.9, ndi 12.9 mumayendedwe a metric) ndi zida, kuyambira chitsulo cha carbon ndi alloy steel mpaka chitsulo chosapanga dzimbiri. Kusinthasintha kwawo kumawapangitsa kukhala oyenera pantchito zamagalimoto, zomanga, zamakina, ndi zomangamanga.

3. The Dacromet Coating Technology

Dacromet (yomwe imadziwikanso kuti DACROMET®) ndi makina opangira ma flake osagwiritsa ntchito electrolytic zinc-aluminiyamu omwe adapangidwa poyamba ngati njira yabwino kwambiri yopangira ma electroplating achikhalidwe komanso galvanizing otentha. Chophimbacho chimakhala ndi zinc ndi ma flakes a aluminiyamu omwe amamwazikana mu binder ya inorganic, yomwe imakhala ndi ma chromium. Amagwiritsidwa ntchito ngati slurry yochokera m'madzi kudzera mu dip-spin, spray, kapena dip-drain, kenako ndikuchiritsa (kuphika) pa kutentha kokwera pafupifupi 300 ° C.

Pakuchiritsa, zokutira zimapanga filimu yowuma, yokhala ndi mitundu ingapo yomwe imalumikizana ndi gawo lapansi lachitsulo. Kukhuthala kwake kumayambira pa 5 mpaka 12 ma micrometer (μm), omwe ndi owonda kwambiri kuposa zigawo zothirira zotentha pomwe amapereka chitetezo chapamwamba. Chotsatira chake chimakhala ndi mawonekedwe achitsulo asiliva-imvi.

Njira zodzitetezera za Dacromet zikuphatikizapo:

Chitetezo chotchinga: Chokhuthala, chophatikizika cha flake chimapanga chotchinga chakuthupi chomwe chimalepheretsa kulowa kwa chinyezi, mchere, ndi zowononga.

Chitetezo cha nsembe (cathodic): Zinc flakes amakonda kuwononga, kuteteza gawo lapansi lachitsulo.

Kukonda: Mankhwala a chromium omwe ali mu binder amathandizira kupanga wosanjikiza wokhazikika womwe umawonjezera kukana kwa dzimbiri.

4. Ubwino wa Dacromet Flange Bolts

Kuphatikizika kwa mapangidwe opangidwa ndi flanged ndi zokutira za Dacromet kumapereka maubwino angapo ochita zomwe zimapangitsa kuti zomangira izi zikhale zofunika kwambiri pazofunikira:

1.Kukaniza Kuwonongeka Kwambiri: Zovala za Dacromet nthawi zonse zimakwaniritsa maola opitilira 1,000 osalowerera ndale mchere kutsitsi (ASTM B117 / ISO 9227) popanda kuoneka kwa dzimbiri lofiira. Nthawi zambiri, magwiridwe antchito amafika maola 1,200-2,000 kapena kupitilira apo. Izi nthawi zambiri zimakhala 7 mpaka 10 chitetezo choperekedwa ndi electro-galvanizing wamba.

2. Palibe Kutulutsa Hydrogen: Mosiyana ndi njira zopangira ma electroplating zomwe zimaphatikizapo pickling ya asidi ndi electrolytic deposition, Dacromet application silowetsa haidrojeni muzitsulo. Izi zimapangitsa kuti zikhale zoyenera kwa zomangira zamphamvu kwambiri (Makalasi 10.9, 12.9, ndi ASTM A490), pomwe kutsekemera kwa haidrojeni kungayambitse kuchedwa kwa brittle fracture.

3.Kulimbana ndi Kutentha Kwambiri: Chophimbacho chimakhala chokhazikika komanso choteteza pa kutentha kosalekeza mpaka pafupifupi 300 ° C (572 ° F), kupitirira malire a kutentha kwa zokutira zambiri za zinc electroplated.

4.Thin, Chophimba Chofanana: Ndi makulidwe wamba a 5-12 μm okha, zokutira zimakhala ndi zotsatira zochepa pamiyeso ya ulusi komanso kukwanira. Mtedza wokhazikika nthawi zambiri utha kugwiritsidwa ntchito popanda kugogodanso kapena kusintha, mosiyana ndi zokutira zamalata zokhuthala.

5.Kukaniza Kwabwino kwa Mechanical ndi Chemical: Chophimbacho chimawonetsa kumamatira kolimba, kukana kuwonongeka kwa makina pakugwira ndi kukhazikitsa, komanso kugwirizana ndi mankhwala ambiri, mafuta, ndi zosungunulira.

6.Mawonekedwe a Mkangano Wowongolera: Ndi ma topcoat oyenerera kapena mafuta opangira mafuta, kugundana kumatha kupangidwa kuti pakhale maubwenzi osasinthika a torque, kupititsa patsogolo kudalirika kolumikizana.

7. Ubwino Wachilengedwe ndi Njira: Monga njira yosagwiritsa ntchito magetsi, yotengera madzi, Dacromet imapanga zinyalala zowopsa kwambiri kuposa zopangira zachikhalidwe ndipo zimawonedwa ngati njira yosamalira chilengedwe (ngakhale kuti mapangidwe akale amakhala ndi hexavalent chromium; mitundu yamakono ndi njira zina zikupitilira kusinthika kuti zichepetse chilengedwe).

5. Kufananiza Magwiridwe

Gome lotsatirali likufotokozera mwachidule machitidwe a zokutira za Dacromet poyerekeza ndi plating wamba wa zinc ndi galvanizing yotentha:

Chidziwitso: Kuchita zenizeni kumasiyana malinga ndi makulidwe, makulidwe, topcoat, kukonzekera kwa gawo lapansi, ndi miyeso yoyeserera. Deta ikuyimira zotsatira zamakampani.

6. Mapeto

Maboti a Dacromet flange amayimira njira yolimbikitsira kwambiri yomwe imaphatikiza bwino zopangira zamakina ndiukadaulo wapamwamba woteteza dzimbiri. Flange yophatikizika imathandizira kugawa katundu ndipo imatha kuchepetsa kufunikira kwa makina ochapira osiyana, pomwe Dacromet zinc-aluminium flake yopyapyala koma yothandiza kwambiri imapereka kukana kwambiri kupopera mchere, chinyezi, mankhwala, ndi kutentha kokwera-popanda kuwopsa kwa hydrogen embrittlement yokhudzana ndi chikhalidwe cha electroplating.

Makhalidwewa amachititsa kuti ma bolts a Dacromet flange akhale oyenerera kwambiri pamagalimoto, mphamvu zowonjezereka, zomangamanga, zaulimi, zam'madzi, ndi mafakitale kumene moyo wautali wautumiki ndi kudalirika pansi pa zovuta ndizofunikira. Pamene malamulo a chilengedwe ndi zoyembekeza za ntchito zikupitilirabe, kugwiritsa ntchito zokutira zopanda electrolytic zinc flake monga Dacromet zikuyembekezeredwa kukhala njira yofunikira kwa mainjiniya omwe amatchula zomangira zovuta.

Posankha ma bolts a Dacromet flange, kusamala mosamalitsa kalasi yamakina, mafotokozedwe a zokutira, miyeso yowoneka bwino, ndi machitidwe oyika zidzatsimikizira kugwira ntchito bwino komanso kulimba pantchito yomwe mukufuna.