
Lifting qhov muag bolts feem ntau yog tsim los ntawm cov ntaub ntawv muaj zog kom ntseeg tau tias muaj peev xwm thauj khoom thiab kev nyab xeeb thaum lub sijhawm nqa khoom. Alloy steel yog cov khoom siv feem ntau, tshwj xeeb tshaj yog qib xws li 42CrMo thiab 35CrMo.
Lifting qhov muag bolts feem ntau yog tsim los ntawm cov ntaub ntawv muaj zog kom ntseeg tau tias muaj peev xwm thauj khoom thiab kev nyab xeeb thaum lub sijhawm nqa khoom. Alloy steel yog cov khoom siv feem ntau, tshwj xeeb tshaj yog qib xws li 42CrMo thiab 35CrMo. Cov hlau alloy no muaj cov ntsiab lus xws li chromium, molybdenum, thiab manganese, uas, los ntawm cov txheej txheem kev kho cua sov, tuaj yeem txhim kho cov ntsia liaj qhov rooj cov cuab yeej cuab tam. Thaum tshav kub kub-kho alloy steel lifting qhov muag bolts muaj lub zog tensile siab, zoo heev toughness, thiab superior qaug zog tsis kam, ua rau lawv tiv taus hnyav loads thiab rov qab kev nyuaj siab mus tsis ua hauj lwm.
Rau cov ntawv thov uas qhov kev tiv thaiv corrosion yog qhov tseem ceeb, stainless hlau yog cov khoom xaiv. Stainless hlau qib 304 thiab 316 yog dav siv. 304 stainless hlau muaj kev tiv thaiv zoo rau kev tiv thaiv corrosion, ua rau nws tsim nyog rau sab hauv tsev thiab sab nraum zoov lifting daim ntaub ntawv nrog rau nruab nrab ib puag ncig raug. 316 stainless hlau, nrog nws cov ntsiab lus molybdenum siab dua, muab kev tiv thaiv zoo rau cov tshuaj hnyav, dej ntsev, thiab cov xwm txheej huab cua, ua rau nws zoo tagnrho rau kev lag luam marine, tshuaj, thiab offshore industries qhov twg cov bolts yuav raug corrosive tshuaj.
Hauv qee qhov tshwj xeeb, muaj zog carbon steel kuj tseem siv tau, feem ntau hauv qib xws li 8.8, 10.9, thiab 12.9. Txawm hais tias cov pa roj carbon steel muaj qis dua corrosion piv rau stainless hlau thiab hlau alloy, nws tuaj yeem ua tau raws li qhov yuav tsum tau muaj zog rau qee yam kev nqa nqa thaum ua ke nrog kev kho kom haum.
Cov khoom kab ntawm lifting qhov muag bolts encompasses ntau yam qauv categorized los ntawm qhov loj me, load peev xwm, tsim hom, thiab cov khoom qib:
Standard Lifting Qhov muag Bolts: Cov no yog ntau hom, muaj nyob rau hauv ntau qhov ntau thiab tsawg. Metric qhov ntau thiab tsawg feem ntau yog los ntawm M8 txog M48, thaum qhov loj me ntawm imperial npog los ntawm 5/16 "mus rau 2". Standard qhov muag bolts muaj ib qho yooj yim tsim nrog ib tug ncig lub qhov muag ntawm ib kawg thiab ib tug threaded shank ntawm lwm yam. Lawv raug ntsuas rau cov peev txheej sib txawv, feem ntau yog li ntawm ob peb puas kilograms mus rau ob peb tons, nyob ntawm qhov loj thiab cov khoom siv qib. Standard qhov muag bolts yog haum rau kev nqa daim ntawv thov nyob rau hauv kev tsim kho, tsim, thiab txij nkawm cov hauj lwm uas cov load yuav tsum tau nyob rau hauv lawv lub peev xwm.
Heavy-Duty Lifting Qhov Muag Bolts: Engineered rau kev nqa hnyav hnyav, hnyav-lub qhov muag bolts yog tsim nrog cov kab uas loj dua thiab cov shanks tuab. Crafted los ntawm qib high-qib alloy steel los yog hwm stainless hlau, lawv muaj peev xwm tuav tau ntau dua loads, feem ntau tshaj 10 tons los yog ntau tshaj. Cov bolts no yog qhov tseem ceeb nyob rau hauv kev lag luam chaw xws li shipyards, hnyav machinery manufacturing, thiab loj-scale tsim tej yaam num uas yuav tsum tau nqa ntawm loj Cheebtsam. Hnyav-duty qhov muag bolts feem ntau muaj qhov tsim qhov muag zoo dua los xyuas kom muaj kev ruaj ntseg ntawm kev nqa cov hlua thiab cov hlua.
Tshwj xeeb-Feature Lifting Eye Bolts:
Swivel Lifting Qhov muag Bolts: Cov bolts no yog tsim los nrog lub voj voog ntawm lub qhov muag, tso cai rau cov khoom nqa nqa txuas mus tig tau ywj pheej. Qhov no feature yog ib qho tseem ceeb nyob rau hauv daim ntawv thov uas lub load yuav tsum tau maneuvered nyob rau hauv ntau cov lus qhia, txo qhov kev pheej hmoo ntawm twisting thiab khi ntawm lub lifting slings. Swivel qhov muag bolts feem ntau yog siv hauv kev ua haujlwm crane, rigging, thiab kev teeb tsa ntawm cov tshuab loj tig.
Adjustable Lifting Qhov Muag Bolts: Adjustable qhov muag bolts muaj ib tug mechanism uas tso cai rau qhov ntev ntawm lub qhov muag los yog txoj hauj lwm ntawm qhov txuas taw tes yuav tsum tau kho. Qhov no muab qhov yooj yim ntawm kev nqa cov xwm txheej sib txawv, tshwj xeeb tshaj yog thaum qhov siab lossis txoj haujlwm ntawm qhov txuas yuav tsum tau hloov kho kom haum rau ntau yam kev thauj khoom geometries. Lawv muaj txiaj ntsig zoo hauv kev tsim kho, kev saib xyuas, thiab kho cov haujlwm uas hloov tau yooj yim yog qhov tseem ceeb.
Insulated Lifting Qhov muag Bolts: Nyob rau hauv ib puag ncig hluav taws xob lossis high-voltage, insulated qhov muag bolts yog siv. Cov bolts no yog coated los yog tsim nrog cov ntaub ntawv insulating los tiv thaiv hluav taws xob conduction, ua kom muaj kev nyab xeeb ntawm kev nqa khoom thiab cov neeg ua haujlwm koom nrog. Insulated qhov muag bolts yog qhov tseem ceeb rau kev nqa cov khoom siv hluav taws xob, ua haujlwm ze ntawm cov kab hluav taws xob, lossis nyob rau txhua qhov xwm txheej uas muaj teeb meem hluav taws xob.
Kev tsim cov lifting qhov muag bolts suav nrog ntau cov kauj ruam meej thiab kev tswj xyuas nruj kom lav lawv txoj kev nyab xeeb thiab kev ntseeg tau:
Kev npaj khoom siv: Cov ntaub ntawv zoo zoo, xws li steel bars lossis rods, yog ua tib zoo muab los. Cov ntaub ntawv raug tshuaj xyuas kom zoo rau cov tshuaj muaj pes tsawg leeg, cov khoom siv kho tshuab, thiab qhov zoo ntawm qhov chaw kom ua tau raws li cov qauv thoob ntiaj teb thiab kev lag luam. Cov ntaub ntawv hlau yog ces txiav mus rau hauv qhov ntev raws li qhov loj me me specifications.
Kev tsim: Hlau qhov muag bolts feem ntau yog tsim los ntawm cov txheej txheem kub-forging lossis txias-heading txheej txheem. Kub-forging feem ntau yog siv rau cov bolts loj thiab hnyav dua. Nyob rau hauv cov txheej txheem no, cov hlau yog rhuab mus rau ib tug malleable lub xeev thiab ces zoo li tus siv tuag nyob rau hauv kev kub siab los tsim lub qhov muag thiab lub shank. Lub taub hau txias yog siv rau cov bolts me me, qhov twg cov hlau yog zoo li tus yam xav tau yam tsis muaj cua sov, uas yog ntau npaum li cas rau high-volume ntau lawm thiab muaj peev xwm tswj tau qhov zoo ntawm qhov tseeb.
Xov: Tom qab tsim, cov bolts tau ua haujlwm threading. Xov dov yog txoj kev nyiam tshaj plaws vim nws tsim cov xov muaj zog los ntawm kev ua haujlwm txias ntawm cov hlau, txhim kho qhov qaug zog ntawm cov ntsia liaj qhov rooj. Tshwj xeeb threading tuag yog siv los xyuas kom meej cov xov pitch raug, xov profile, thiab compatibility nrog cov txiv ntseej los yog threaded qhov. Rau bolts nrog cov kev xav tau tshwj xeeb, kev ua kom zoo ntxiv tuaj yeem ua tiav.
Kev kho cua sov (rau alloy steel bolts): Alloy steel lifting qhov muag bolts tuaj yeem raug kho cua sov txheej txheem xws li annealing, quenching, thiab tempering. Annealing relieves kev ntxhov siab nyob rau hauv cov hlau, quenching tsub kom nws hardness, thiab tempering restores ib co ductility thaum txhim kho toughness. Cov txheej txheem no ua kom zoo rau cov khoom siv kho tshuab ntawm cov bolts, ua kom lawv ua tau raws li qhov xav tau ntawm kev siv zog thiab kev ua haujlwm siab ntawm kev nqa daim ntawv thov.
Kev kho saum npoo: Txhawm rau txhim kho corrosion kuj, zoo li, thiab ua haujlwm zoo, hlau qhov muag bolts tuaj yeem ua ntau yam txheej txheem kho deg. Zinc plating yog ib qho kev kho mob uas tso ib txheej ntawm zinc rau ntawm lub ntsia liaj qhov rooj, muab kev tiv thaiv corrosion yooj yim. Kub-dip galvanizing muab cov zinc txheej tuab thiab ruaj khov dua, haum rau kev siv sab nraum zoov thiab hnyav ib puag ncig. Stainless hlau qhov muag bolts tuaj yeem raug kho passivation los txhim kho lawv cov kev tiv thaiv corrosion. Qee qhov xwm txheej, cov txheej tshwj xeeb xws li Teflon lossis cov tshuaj tiv thaiv kev puas tsuaj tuaj yeem siv los txo kev sib txhuam lossis tiv thaiv kev hnav thaum lub sijhawm nqa khoom.
Kev soj ntsuam zoo: Txhua pawg ntawm nqa qhov muag bolts raug tshuaj xyuas nruj heev. Dimensional checks yog ua los xyuas kom meej tias lub ntsia liaj qhov rooj txoj kab uas hla, ntev, xov specifications, thiab qhov muag loj raws li cov qauv. Cov kev ntsuam xyuas tshuab, xws li lub zog tensile, cov ntaub ntawv pov thawj, thiab kev sim qaug zog, yog ua los xyuas qhov muaj peev xwm ntawm cov kabmob thiab ua haujlwm ntawm cov bolts. Rau cov ntawv thov kev nyab xeeb-tseem ceeb, cov kev sim tsis muaj kev puas tsuaj xws li kev tshuaj xyuas cov khoom sib nqus lossis kuaj ultrasonic yuav raug siv los kuaj xyuas qhov tsis xws luag. Tsuas yog cov bolts uas dhau tag nrho cov kev ntsuam xyuas zoo tau pom zoo rau kev ntim khoom thiab xa tawm.
Kev kho saum npoo ntawm nqa qhov muag bolts yog qhov tseem ceeb rau kev txhim kho lawv cov kev ua tau zoo thiab txuas ntxiv lawv lub neej kev pab cuam:
Zinc Plating: Zinc plating yuav immersing lub bolts nyob rau hauv ib tug nplua nuj zinc tov los ntawm ib tug electroplating txheej txheem. Qhov no tso ib txheej nyias ntawm zinc rau ntawm lub bolt nto, uas ua raws li kev fij tseg. Lub zinc txheej corrodes nyiam dua, tiv thaiv cov hlau hauv qab los ntawm xeb thiab corrosion. Zinc plating muab kev tiv thaiv corrosion yooj yim thiab tsim nyog rau kev siv sab hauv tsev thiab tsawg-corrosive sab nraum zoov.
Kub-dip Galvanizing: Nyob rau hauv cov txheej txheem kub-dip galvanizing, cov bolts yog thawj zaug degreased thiab pickled kom tshem tawm cov kab mob. Tom qab ntawd, lawv tau fluxed kom ntseeg tau tias ntub dej los ntawm zinc molten. Tom qab ntawd, cov bolts yog immersed nyob rau hauv ib tug molten zinc da dej ntawm ib tug kub ntawm ib ncig ntawm 450 - 460 ° C. Cov zinc reacts nrog cov hlau nyob rau hauv cov hlau los tsim ib tug series ntawm zinc-hlau alloy txheej, ua raws li los ntawm ib tug ntshiab zinc txheej txheej. Lub resulting galvanized txheej yog tuab thiab ruaj, muab zoo heev corrosion kuj, ua rau lub bolts haum rau mus ntev kev siv sab nraum zoov thiab hnyav ib puag ncig.
Stainless hlau Passivation: Rau stainless hlau lifting qhov muag bolts, passivation kev kho mob feem ntau nqa tawm. Qhov no suav nrog kev kho cov ntsia hlau nto nrog cov kua qaub kom tshem tawm cov kab mob ntawm qhov chaw, cov khoom hlau, thiab txhawm rau txhim kho cov txheej txheem oxide ntuj ntawm cov hlau tsis huv. Passivation txhim kho corrosion kuj ntawm stainless hlau, tshwj xeeb tshaj yog nyob rau hauv ib puag ncig uas muaj chloride ions los yog lwm yam corrosive tshuaj.
Cov Txheej Txheem Tshwj Xeeb: Qee qhov nqa qhov muag bolts tuaj yeem tau txais cov txheej txheem tshwj xeeb. Teflon coatings tuaj yeem siv los txo kev sib txhuam thaum lub sij hawm txuas thiab tshem tawm ntawm kev nqa cov hlua, ua rau kev ua haujlwm smoother thiab txo qhov hnav ntawm lub ntsia liaj qhov rooj thiab cov hlua. Anti-abrasion coatings yog siv los tiv thaiv lub ntsia liaj qhov rooj nto ntawm khawb thiab kev puas tsuaj los ntawm kev rov sib cuag nrog cov khoom nqa, tshwj xeeb tshaj yog nyob rau hauv high-hnav daim ntaub ntawv.
Lifting qhov muag bolts tau dav siv thoob plaws ntau qhov kev lag luam thiab cov ntawv thov uas yuav tsum tau nqa thiab nqa cov haujlwm:
Kev lag luam kev tsim kho: Hauv kev tsim kho, nqa lub qhov muag bolts yog siv los nqa thiab txhim kho cov khoom siv hauv tsev xws li precast qhob panels, steel beams, thiab cov khoom siv tshuab loj. Lawv yog qhov tseem ceeb rau kev ua kom muaj kev nyab xeeb thiab ua tau zoo ntawm cov qauv, txawm tias nws yog lub tsev nyob, lub tsev lag luam skyscraper, lossis chaw tsim khoom.
Kev Lag Luam Kev Lag Luam: Hauv kev tsim cov nroj tsuag, nqa lub qhov muag bolts yog ua haujlwm los nqa cov tshuab hnyav, cov khoom siv thaum lub sijhawm tsim khoom, thiab cov khoom tiav rau kev thauj mus los. Lawv yog siv rau hauv cov kab sib dhos, cov khw muag khoom, thiab cov tsev khaws khoom kom txav mus los thiab tso cov khoom loj thiab hnyav kom raug, ua kom yooj yim rau kev tsim khoom thiab kev lag luam logistics.
Marine thiab Offshore Kev Lag Luam: Hauv cov dej hiav txwv thiab cov ntug dej hiav txwv, nqa lub qhov muag bolts ua lub luag haujlwm tseem ceeb hauv kev tsim nkoj, kho nkoj, thiab kev tsim kho ntawm ntug dej hiav txwv. Lawv yog siv rau kev nqa lub nkoj hull seem, cov khoom siv hauv hiav txwv, thiab rau kev ua haujlwm ntawm cov nkoj thiab cov qauv sab nrauv. Lub siab corrosion kuj yuav tsum tau nyob rau hauv cov cheeb tsam no feem ntau ua rau siv stainless hlau los yog kub-dip galvanized lifting qhov muag bolts.
Kev lag luam tsheb thauj mus los: Hauv kev lag luam tsheb thauj mus los, nqa lub qhov muag bolts yog siv rau kev thauj khoom thiab thauj khoom hnyav rau cov tsheb thauj khoom, tsheb ciav hlau, thiab nkoj. Lawv kuj tau siv rau hauv kev saib xyuas thiab kho tsheb thiab kev thauj mus los, xws li nqa lub cav, kev sib kis, thiab cov khoom siv choj thaum lub sijhawm ua haujlwm.
Kev tsim hluav taws xob thiab kev lag luam siv hluav taws xob: Hauv cov chaw tsim hluav taws xob, ob qho tib si thermal thiab cov khoom siv hluav taws xob tauj dua tshiab, nqa qhov muag bolts yog siv rau kev txhim kho thiab tswj cov khoom siv hluav taws xob, xws li turbines, generators, thiab transformers. Lawv kuj tseem ceeb heev hauv kev siv hluav taws xob rau kev nqa cov ncej hluav taws xob, hloov pauv, thiab lwm yam khoom siv thaum lub sijhawm teeb tsa thiab kho cov haujlwm.
Siab Load-Bearing Capacity: Lifting qhov muag bolts yog tsim thiab tsim los tiv thaiv cov khoom tseem ceeb. Nyob ntawm cov khoom siv qib thiab qhov loj me, lawv tuaj yeem ua cov khoom thauj los ntawm ob peb kilograms mus rau kaum ob tons. Lub peev xwm ua haujlwm siab no ua kom muaj kev nyab xeeb nqa ntawm cov khoom hnyav hauv ntau yam kev lag luam thiab kev tsim kho.
Txhim khu kev ruaj ntseg: Vim yog cov txheej txheem tsim khoom nruj thiab kev tswj xyuas zoo, nqa lub qhov muag bolts muab kev nyab xeeb kev nyab xeeb thaum lub sijhawm nqa khoom. Kev soj ntsuam nruj rau lub zog, ua haujlwm ntev, thiab kev ncaj ncees ua kom ntseeg tau tias cov bolts tuaj yeem ntseeg tau ua raws li qhov xav tau, txo qis kev pheej hmoo ntawm kev raug xwm txheej thiab khoom siv puas tsuaj.
Corrosion Resistance: Nrog kev siv cov ntaub ntawv zoo li stainless hlau thiab kev kho saum npoo zoo li kub-dip galvanizing, nqa lub qhov muag bolts tuaj yeem tiv taus corrosion zoo. Qhov no ua rau lawv tsim nyog rau kev siv sab nraum zoov, marine, thiab corrosive industrial puag ncig, ncua lawv lub neej kev pab cuam thiab txo cov nqi tu.
Ntau yam: Muaj nyob rau hauv ntau qhov ntau thiab tsawg, lub peev xwm thauj khoom, thiab cov qauv tsim, nqa lub qhov muag bolts tuaj yeem hloov kho tau yooj yim rau cov kev xav tau sib txawv. Txawm hais tias nws yog ib qho yooj yim lifting hauj lwm los yog ib tug complex rigging lag luam, muaj ib tug haum lifting eye bolt qauv kom tau raws li cov kev xav tau ntawm daim ntawv thov.
Yooj yim rau nruab thiab siv: Lifting qhov muag bolts yog ib qho yooj yim rau nruab, raws li lawv tuaj yeem raug threaded rau hauv pre-drilled qhov los yog siv nrog cov txiv ntseej tsim nyog. Lawv cov qauv tsim yooj yim tso cai rau kev ceev nrawm ntawm kev nqa cov hlua, cov hlua khi, lossis lwm yam khoom siv rigging, ua kom yooj yim nqa cov haujlwm thiab txo lub sij hawm xav tau rau kev teeb tsa thiab kev teeb tsa.