Metallurgy - Hais txog Rolling Mill
Apr 06, 2023
Rolling Mill:
Cov khoom siv rau kev ua tiav cov txheej txheem hlau dov
Rolling mill yog cov cuab yeej siv los ua kom tiav cov txheej txheem hlau dov, uas feem ntau yog hais txog cov cuab yeej siv los ua kom tiav tag nrho cov txheej txheem ntawm cov khoom siv dov.
Rolling mills tuaj yeem muab faib ua ob yob, plaub yob, rau yob, yim yob, kaum ob yob, kaum yim yob, thiab lwm yam raws li tus naj npawb ntawm yob; Raws li kev npaj ntawm cov chais, lawv tuaj yeem muab faib ua "L" hom, "T" hom, "F" hom, "Z" hom, thiab "S" hom.
Qhov zoo tib yam dov zeb tsuas yog muaj cov menyuam, ib lub thav duab, lub suab hloov kho cov cuab yeej, cov cuab yeej hloov kho qhov kub thiab txias, cov khoom siv kis tau tus mob, lubrication system, tswj qhov system, thiab cov khoom siv rau cov menyuam dismantling. Ntxiv nrog rau cov khoom tseem ceeb thiab cov khoom siv ntawm cov dov mills zoo tib yam, cov tshuab dov precision tau ntxiv cov cuab yeej los xyuas kom meej qhov tseeb dov.
Kev taw qhia luv luv:
Cov khoom siv rau kev ua tiav cov txheej txheem hlau dov. Nws yog hais txog cov khoom siv uas ua tiav tag nrho cov txheej txheem ntawm dov ntau lawm, suav nrog lub tshuab unwinding, dov system, tsav tsheb, hydraulic system, tswj system, yob dismantling ntaus ntawv, thiab lwm yam. Tab sis feem ntau hais lus, lub dov zeb tsuas yog hais txog cov khoom siv tseem ceeb. . Nws yog hais tias muaj dov zeb nyob rau hauv cov teb chaws Europe nyob rau hauv lub xyoo pua 14th, tab sis nws tau sau tseg tias nyob rau hauv 1480, lub Italian Leonardo da Vinci tsim ib tug kos duab ntawm lub dov zeb. Xyoo 1553, tus txiv neej Fabkis txoj Brulier dov kub thiab nyiaj daim hlau los ua npib. Tom qab ntawd, dov zeb tau tshwm sim hauv Spain, Belgium, thiab United Kingdom.
Txoj kev sau npe:
Lub npe raws li dov ntau yam, dov zeb hom, thiab nominal loj. Lub hauv paus ntsiab lus ntawm "nominal size" rau profile dov mills yog muaj npe tom qab lub suab kab ntawm lub herringbone iav ntawm lub rooj zaum iav; Lub pob zeb tawg yog muaj npe tom qab nominal txoj kab uas hla ntawm cov menyuam; Lub phaj thiab sawb dov zeb muaj npe tom qab lub sijhawm ua haujlwm yob lub cev; Lub steel yeeb nkab dov zeb yog lub npe tom qab lub siab tshaj plaws yeeb nkab txoj kab uas hla tsim. Qee zaum muaj npe tom qab tus neeg tsim khoom ntawm lub tshuab dov.
Componenets:
Lub rooj zaum ua haujlwm:
Nws yog tsim los ntawm yob, zeb memorial archway, bearing pedestal, bearing, nws tus kheej coiling los yog unwinding platform, puag, yob kho cov cuab yeej, sab sauv yob balancing ntaus ntawv thiab yob hloov ntaus ntawv.
Yob:
Nws yog ib feem uas ua rau cov yas deformation ntawm hlau.
Cov menyuam bearings:
Txhawb nqa cov rollers thiab tuav lawv txoj haujlwm ruaj khov hauv tus ncej. Kev ua haujlwm ntawm cov menyuam bearings yog hnyav thiab sib txawv heev, yog li nws yuav tsum muaj kev sib txhuam coefficient ntawm cov kabmob me me, muaj lub zog txaus thiab nruj, thiab yooj yim los hloov cov chais, xws li cylindrical roller bearings. Ntau hom ntawm cov menyuam bearings yog siv rau txawv dov mills. Cylindrical roller bearings muaj siab rigidity, tsis tshua muaj kev sib txhuam coefficient, siab tsis kam, thiab yooj yim rau cov menyuam disassembly, tab sis lawv cov nqi kuj siab. Rolling bearings muaj siab rigidity thiab tsis tshua muaj kev sib txhuam coefficient, tab sis lawv lub peev xwm load-bearing yog me me thiab lawv tag nrho qhov ntev yog loj. Lawv feem ntau yog siv rau kev ua haujlwm yob hauv phaj thiab sawb mills. Muaj ob hom zawv zawg bearings: semi qhuav txhuam thiab kua txhuam. Semi qhuav txhuam cov menyuam bearings yog tsim los ntawm bakelite, tooj liab pobzeb, thiab nylon pobzeb bearings, uas yog pheej yig thiab feem ntau yog siv nyob rau hauv profile dov mills thiab billets. Muaj peb hom kev sib txhuam ua kua: dynamic siab, zoo li qub siab, thiab zoo li qub dynamic siab. Qhov kom zoo dua yog qhov sib txhuam coefficient me me, lub peev xwm ntawm lub siab yog loj, kev ua haujlwm ceev yog siab, thiab rigidity yog qhov zoo. Qhov tsis zoo yog tias cov roj zaj duab xis thickness hloov nrog ceev. Kev sib txhuam ua kua dej feem ntau yog siv rau kev txhawb nqa yob ntawm phaj thiab sawb mills thiab lwm yam kev kub ceev dov mills.
Lub cev ncej:
Nws yog tsim los ntawm ob daim ntawm "notched memorial archway" rau nruab rau cov menyuam bearing thaiv thiab cov menyuam kho cov cuab yeej, uas yuav tsum muaj lub zog txaus thiab rigidity los dais lub zog dov. Muaj ob hom racks tseem ceeb: kaw thiab qhib. Lub kaw lus kaw yog lub hauv paus tseem ceeb nrog lub zog siab thiab nruj, feem ntau yog siv rau kev tawg mills thiab sawb mills nrog siab dov quab yuam. Ib tug menyuam hloov kev taw qhia kev tsheb nqaj hlau tuaj yeem ntsia tau rau hauv qab ntawm lub qhov ncauj ncej, thiab nws yog tsim los ntawm cov menyuam hloov tsheb sab nraud kom yooj yim rau cov menyuam hloov.
Sawv:
Siv rau nruab ib lub khib thiab kho nws ntawm lub hauv paus, tseem hu ua baseboard. Dais lub ntiajteb txawj nqus thiab overturning torque ntawm lub tshuab ua hauj lwm lub hauv paus, thaum kom ntseeg tau qhov tseeb ntawm lub installation qhov ntev ntawm lub tshuab ua hauj lwm puag.
Roll adjustment device:
Siv los kho qhov sib txawv ntawm qhov sib txawv kom ua tau raws li qhov yuav tsum tau ua ntu ntu ntawm qhov dov. Cov cuab yeej hloov kho sab saud, tseem hu ua "nias down device", muaj peb hom: phau ntawv, hluav taws xob, thiab hydraulic. Cov khoom siv ntsia hlau ntsia hlau feem ntau yog siv rau ntawm qhov profile mills thiab cov mills me. Lub tshuab hluav taws xob ntsia hlau suav nrog cov khoom siv xws li lub cev muaj zog, reducer, nres, ntsia hlau ntsia hlau, ntsia hlau ntsia hlau, ntsuas qhov ntsuas qhov ntsuas qhov ntsuas, lub voj voos kheej kheej, thiab ntsuas qhov ntsuas siab. Nws qhov kev sib kis tau qis, qhov kev sib hloov inertia ntawm qhov txav yog loj, cov tshuaj tiv thaiv ceev qeeb, thiab qhov kev hloov kho qhov tseeb yog tsawg. Txij li thaum xyoo 1970, tom qab kev saws me nyuam ntawm AGC (Automatic Thickness Control) system nyob rau hauv phaj thiab sawb mills, hydraulic screwdown li tau siv nyob rau hauv tshiab strip txias thiab kub dov mills thiab tuab phaj mills, uas muaj qhov zoo ntawm me me phaj thickness sib txawv thiab siab cov khoom tsim nyog tus nqi.
Upper yob balancing ntaus ntawv:
Ib qho cuab yeej siv los nqa cov menyuam sab sauv thiab tiv thaiv kev cuam tshuam thaum cov khoom dov nkag los yog tawm ntawm cov menyuam. Cov ntaub ntawv muaj xws li: hom caij nplooj ntoos hlav, feem ntau siv rau ntawm qhov profile dov mills; hnyav rauj hom, feem ntau yog siv rau ntawm cov pob zeb tawg nrog cov yob loj; hom hydraulic, feem ntau siv rau ntawm plaub lub phaj siab thiab sawb dov mills.
Txhawm rau txhim kho tus nqi khiav lag luam, nws yuav tsum tau ua kom lub tshuab dov hloov cov yob sai thiab yooj yim. Muaj plaub hom kev hloov cov menyuam: C-nuv hom, lub tes tsho hom, hom trolley, thiab tag nrho cov ncej cov menyuam hloov hom. Thawj ob txoj hauv kev hloov cov yob cia siab rau kev pabcuam crane, thaum lub thav duab tag nrho yuav tsum muaj ob txheej txheej rau kev hloov yob. Txoj kev no feem ntau yog siv rau me me dov mills. Kev hloov tsheb me me yog tsim rau cov dov loj loj thiab yog qhov zoo rau automation. Niaj hnub no, kev hloov pauv ceev ceev tsis siv neeg tau siv rau ntawm dov mills, thiab kev hloov yob tsuas siv sijhawm 5-8 feeb.
Kev xa mus:
Nws muaj lub tshuab hluav taws xob, lub reducer, lub rooj zaum iav, thiab ib qho txuas txuas. Lub rooj zaum iav faib qhov sib kis torque mus rau ob lossis ob peb lub rollers.
Cov cuab yeej pabcuam suav nrog cov khoom siv rau cov txheej txheem pabcuam thaum lub sijhawm dov. Cov khoom siv xws li raw khoom npaj, cua sov, steel tig, shearing, straightening, txias, flaw detection, tshav kub kho, pickling, thiab lwm yam.
Hoisting thiab cov khoom siv thauj mus los, xws li cranes, tsheb thauj mus los, cov menyuam taug kev, thiab hloov tshuab.
Accessory khoom:
Muaj cov khoom siv rau kev siv fais fab, kev faib tawm, dov zeb, lubrication, dej thiab tso dej, roj khoom, compressed cua, hydraulic siab, tshem tawm cov hlau oxide nplai, tshuab kho, kho hluav taws xob, kua qaub, roj, dej, acid rov qab, thiab kev tiv thaiv ib puag ncig.
