Qhov kawg Qhia rau Kauv Vuam Yeeb Nkab Tshuab

Preface: Core Positioning thiab Daim Ntawv Thov Tus Nqi

Kauv vuam yeeb nkab tshuab, los yog SSAW yeeb nkab zeb, yog cov khoom siv tshwj xeeb rau kev tsim cov kauv seam welded kav los ntawm steel strips ntawm nruam kauv txoj kev thiab submerged arc vuam. Nws qhov txiaj ntsig tseem ceeb yog qhov yooj yim: nws tuaj yeem ua qhov sib txawv - txoj kab uas hla nrog tib yam - dav steel strips thiab vice versa, ua rau nws zoo tagnrho rau cov loj - nplai ntau lawm ntawm loj- txoj kab uas hla, tuab - phab ntsa kav. Nrog kev ua haujlwm siab vuam zoo, cov khoom siv vuam tsis sib xws, thiab kev hloov pauv dav dav rau ntau yam khoom siv hlau, nws ua haujlwm tseem ceeb hauv cov khoom siv roj av, roj av, hluav taws xob hauv nroog, thiab hluav taws xob xa mus.

Cov lus qhia no suav nrog cov kev paub yooj yim, cov qauv tsim, cov txheej txheem kev ua haujlwm, cov txheej txheem tseem ceeb, kev saib xyuas txhua hnub, kev daws teeb meem tsis zoo, thiab kev nyab xeeb tshwj xeeb. Nws sib npaug kev ua haujlwm raug nrog kev siv tau zoo, muab cov lus qhia muaj txiaj ntsig rau cov neeg siv khoom, cov neeg ua haujlwm tu, thiab cov thawj coj tsim khoom los txhim kho kev ua haujlwm zoo, ua kom cov khoom zoo, thiab txuas ntxiv lub neej kev pabcuam ntawm cov khoom siv.

Core txhais

Kauv vuam yeeb nkab tshuab txheej txheem kub- dov los yog txias- dov steel strips rau hauv kauv seam kav los ntawm ib tug series ntawm sequential thiab nruam kev khiav hauj lwm: uncoiling, leveling, shearing, kauv forming, vuam, sizing, thiab txiav. Lub ntsiab vuam thev naus laus zis tau txais yuav yog submerged arc vuam (SAW) thiab siab - zaus vuam (HFW), cov SAW yog qhov siv dav tshaj plaws vim nws muaj peev xwm tsim tau siab - zoo, ntom welds. Cov txheej txheem vuam melts cov npoo ntawm cov hlau sawb, ua ib qho txuas txuas txuas txuas txuas uas cuam tshuam cov kev ntxhov siab, ua rau cov kav dej haum rau siab - siab thiab loj - txoj kab uas hla kev siv.

Kev faib khoom siv

Kauv vuam yeeb nkab tshuab tau muab faib ua peb hom tseem ceeb raws li lawv cov qauv tsim thiab daim ntawv thov scenarios, nrog rau qhov sib txawv tseem ceeb ntawm cov lus hauv qab no:

Kauv vuam yeeb nkab tshuab txais kev tsim qauv tsim, uas ua kom yooj yim txij nkawm thiab tso cai rau kev hloov pauv raws li kev xav tau ntau lawm. Tag nrho lub tshuab muaj 8 core functional units, uas cov kauv tsim chav tsev thiab vuam chav tsev yog qhov tseem ceeb tshaj plaws, ncaj qha txiav txim siab qhov zoo ntawm cov kav dej tiav thiab tag nrho cov kev ua tau zoo.

1. Pub thiab ua ntej - Chav Ua Haujlwm
Raws li thawj theem ntawm cov yeeb nkab- ua cov txheej txheem, chav tsev no yog lub luag haujlwm rau kev npaj steel strip raw khoom rau kev tsim thiab vuam tom ntej. Nws suav nrog cov khoom tseem ceeb xws li uncoiler, leveler, shearing thiab taub qab vuam chaw nres tsheb, thiab ntug trimmer. Lub uncoiler tuav lub steel kauj thiab pub lub steel sawb mus rau hauv lub tshuab ntawm ib tug ruaj khov ceev, nruab nrog ib tug nruj tswj ntaus ntawv los tiv thaiv slipping los yog deviation. Lub leveler siv ntau txheej txheej ntawm cov chais los kho warpage lossis yoj deformation, kom ntseeg tau lub tiaj tiaj thiab tuab tuab. Lub shearing thiab taub qab vuam chaw nres tsheb trims lub strip xaus thiab welds sib law liag steel coils seamlessly kom ua tiav tas mus li ntau lawm. Lub ntug trimmer tshem tawm cov burrs thiab kho lub kaum sab xis, tsim kom huv si, zoo nkauj ntug rau siab - vuam zoo.

2. Kauv Forming Unit (Core)
Raws li peb - yob phaj dabtsi yog khoov txoj hauv kev, chav tsev no ua kom cov qib steel sawb mus rau hauv cov kav dej kauv dawb. Nws muaj cov txheej txheem cov menyuam, cov cuab yeej taw qhia, thiab cov khoom siv ua ntej-bending. Lub sawb hlau yog pub rau hauv lub tshuab tsim los ntawm cov cuab yeej taw qhia thiab maj mam khoov mus rau hauv cov duab kauv ntawm lub kaum sab xis preset (30℃-}60℃). Cov npoo ntawm cov sawb tau raug ua kom raug raws li V-shaped zawj (60℃-75 degree), uas yog qhov tseem ceeb rau kev ua kom muaj kev nkag mus rau hauv cov weld. Kev hloov kho qhov tseeb ntawm lub tshuab ua haujlwm ncaj qha cuam tshuam rau lub voj voog ntawm cov yeeb nkab dawb paug, qhov sib xws ntawm lub kaum sab xis ntawm lub voj voog, thiab qhov zoo ntawm cov vuam tom ntej.

3. Welding Unit (Core)
Chav tsev no yog lub luag haujlwm rau kev koom nrog cov npoo ntawm cov kauv yeeb nkab dawb paug los ua ib qho txuas ntxiv, muaj zog weld. Nws yog txawm peem rau nrog ob sab hauv thiab sab nraud vuam torches, vuam fais fab mov, ib tug hlau pub mechanism, thiab ib tug flux rov qab ntaus ntawv. SAW yog lub ntsiab vuam thev naus laus zis, muab cov vuam zoo zoo thiab ua haujlwm siab. Lub teeb hluav taws xob sab hauv yog nruab rau hauv cov yeeb nkab tsis muaj, thaum lub teeb hluav taws xob sab nraud yog tsau sab nraud, ua rau tib lub sijhawm ob -sab vuam. Lub tshuab pub hlau xaim xaim xaim xaim mus rau thaj chaw weld ruaj khov, thiab cov flux tsim muaj kev tiv thaiv huab cua kom txo tau oxidation thiab txhim kho weld zoo. Lub flux rov qab ntaus ntawv sau thiab rov siv cov flux tsis siv, txo cov nqi tsim khoom. Lub vuam fais fab hloov kho tam sim no (200-500A) thiab qhov hluav taws xob kom phim cov khoom siv hlau thiab tuab.
 

4. Cov Chaw Pabcuam Tseem Ceeb
Cov pab pawg txhawb nqa cov haujlwm tseem ceeb kom ntseeg tau tias kev ua haujlwm du thiab siab - cov zis zoo. Lub sizing thiab straightening unit siv ntau sizing rollers los calibrate lub sab nraud txoj kab uas hla thiab roundness, kom ib tug dimensional kam rau ua ntawm ± 0.2 hli, thiab kho khoov los yog kauv deformation kom tau raws li ib tug ncaj yuav tsum tau tsawg tshaj li los yog sib npaug rau 1 hli ib 'meter'. Lub tshuab txiav thiab ua tiav suav nrog lub tshuab ya dav hlau thiab lub tshuab chamfering: lub tshuab ya dav hlau taug qab cov yeeb nkab txav hauv online, txiav nws mus rau qhov ntev ntev nrog ± 5 hli qhov tseeb thiab qhov siab tshaj plaws ntawm 80m / min; lub tshuab chamfering trims cov yeeb nkab kawg kom tshem tawm burrs thiab xyuas kom meej perpendicularity rau kev sib txuas yooj yim. PLC-raws li kev tswj hwm nrog lub vijtsam kov ua haujlwm tsis siv neeg, teeb tsa qhov ntsuas, ntsuas lub sijhawm tiag tiag, thiab lub tswb tsis raug. Cov hydraulic thiab lubrication units muab lub zog ruaj khov thiab txo cov khoom hnav, txuas ntxiv cov khoom siv lub neej.

Ua raws li cov txheej txheem kev ua haujlwm yog qhov tseem ceeb rau kev nyab xeeb thiab ua haujlwm tau zoo, nrog rau kev ua kom cov khoom zoo. Cov txheej txheem tau muab faib ua peb theem tseem ceeb:

1. Pre-Startup Kev Npaj

Cov neeg ua haujlwm yuav tsum hnav cov khoom tiv thaiv kev ua haujlwm uas tsim nyog (cov kaus mom kev nyab xeeb, tsom iav tiv thaiv, hnab looj tes, khau ruaj ntseg) txhawm rau tiv thaiv kev raug mob. Lawv yuav tsum ua tib zoo tshuaj xyuas cov cuab yeej: xyuas tias tag nrho cov bolts txuas yog nruj, tsim cov chais thiab vuam torches nyob rau hauv qhov zoo yam tsis hnav lossis xoob, hydraulic thiab lubrication systems muaj cov roj txaus txaus, thiab cov khoom siv hluav taws xob thiab kev nyab xeeb (xws li, thaum muaj xwm ceev nres khawm) ua haujlwm zoo. Cov ntaub ntawv raw yuav tsum tau npaj: xyuas kom cov hlau sawb cov khoom thiab cov lus qhia tshwj xeeb (thickness, dav) ua tau raws li qhov yuav tsum tau ua, thiab cov sawb tsis muaj xeb, roj stains, lossis lwm yam tsis xws luag. Thaum kawg, teeb tsa qhov tseem ceeb ntawm lub vijtsam kov, suav nrog lub kaum sab xis, vuam tam sim no (200-500A), kev nrawm nrawm (10-60m / min), thiab txiav ntev, raws li cov khoom siv phau ntawv.

2. Pib thiab ua haujlwm

Pib lub tshuab hauv qhov kev txiav txim kom tsis txhob muaj kev puas tsuaj rau cov khoom siv: lub zog loj → hydraulic system → lubrication system → txias dej system → feeding unit → forming unit → vuam unit → txiav unit. Tom qab pib txhua chav, saib xyuas nws txoj haujlwm rau qhov txawv txav ua ntej mus rau lwm qhov. Ua ib qho kev sim ntau lawm ntawm 3-5 cov kav dej luv luv los kuaj xyuas qhov ua tau zoo, weld uniformity, thiab qhov tseeb qhov tseeb. Kho qhov tsis xws li kev tsim lub kaum sab xis lossis vuam tam sim no yog tias pom muaj teeb meem, kom txog thaum cov khoom ua tau raws li cov qauv xav tau. Thaum lub sijhawm tsim khoom ib txwm muaj, cov neeg ua haujlwm yuav tsum saib xyuas lub tshuab tsis tu ncua kom ruaj khov steel sawb noj, zoo li vuam, thiab txiav kom meej.

3. Kev kaw thiab tu

Kaw lub tshuab nyob rau hauv qhov kev txiav txim rov qab ntawm startup los tiv thaiv nws cov khoom. Tom qab kaw, ntxuav lub vuam tsev kom tshem tawm cov vuam slag thiab cov dej tsis siv, ntxuav cov txheej txheem thiab cov cuab yeej txiav kom tshem tawm cov khib nyiab, thiab so tag nrho lub tshuab kom huv si. Sau cov ntsiab lus tseem ceeb ntawm kev ua haujlwm, suav nrog lub sijhawm ua haujlwm, ntau lawm, kev teeb tsa parameter, thiab txhua yam teeb meem tau ntsib, txhawm rau ua kom muaj kev sib koom tes zoo rau kev ua haujlwm tom ntej.

Kev ua tau zoo ntawm kauv vuam yeeb nkab tshuab yog txiav txim siab los ntawm cov txheej txheem tseem ceeb, uas txawv ntawm cov qauv. Cov lus hauv qab no muab cov ntsiab lus ntawm cov ntsiab lus tseem ceeb rau peb tus qauv tseem ceeb, ua ib qho kev siv rau kev xaiv khoom thiab kev teeb tsa:

Thaum lub sij hawm tsim khoom, kauv vuam yeeb nkab tshuab tej zaum yuav muaj kev ua txhaum uas cuam tshuam rau kev tsim khoom thiab cov khoom zoo. Cov lus hauv qab no teev cov kev ua txhaum ntau thiab cov kev daws teeb meem sib raug rau kev daws teeb meem ceev:

Kauv vuam yeeb nkab tshuab yog loj - cov cuab yeej siv tshuab suav nrog hluav taws xob, hydraulic, thiab siab - cov txheej txheem vuam kub, yog li kev nyab xeeb yog qhov tseem ceeb tshaj plaws. Cov neeg khiav dej num yuav tsum nruj me ntsis ua raws li cov lus qhia hauv qab no kom tsis txhob muaj xwm txheej:

Cov neeg ua haujlwm yuav tsum tau txais kev cob qhia kev tshaj lij, dhau kev ntsuas, thiab tau txais daim ntawv pov thawj kev tsim nyog ua haujlwm ua ntej ua haujlwm. Lawv yuav tsum hnav cov khoom tiv thaiv kev ua haujlwm tsim nyog txhua lub sijhawm thaum ua haujlwm. Hluav taws kub- cov khoom siv sib ntaus sib tua yuav tsum muaj nyob rau hauv qhov chaw vuam, thiab kev haus luam yeeb lossis khaws cov khoom siv hluav taws xob yog txwv nruj. Thaum lub sijhawm ua haujlwm, cov neeg ua haujlwm yuav tsum tsis txhob kov cov khoom txav mus los (xws li, tsim cov chais, vuam torches) lossis qhib cov cuab yeej tiv thaiv npog. Thaum kho cov kev txwv, tu, lossis kev daws teeb meem, lub tshuab yuav tsum raug kaw thiab lub zog tseem ceeb raug txiav tawm, nrog rau "Tsis Muaj Kaw, Hauv Kev Kho" kos npe tshwm. Ib qho kev txawv txav thaum lub sijhawm ua haujlwm yuav tsum ua rau kev kaw tam sim kom tsis txhob muaj cov khoom puas lossis raug mob ntawm tus kheej. Kev thauj khoom ntau dhau ntawm lub tshuab raug txwv, thiab qhov chaw tsim khoom yuav tsum tau ua kom huv si thiab tsis muaj kev cuam tshuam. Kev cob qhia kev nyab xeeb tsis tu ncua thiab kev xyaum thaum muaj xwm txheej ceev yuav tsum tau ua los txhim kho cov neeg ua haujlwm kev paub txog kev nyab xeeb thiab muaj peev xwm teb thaum muaj xwm txheej ceev.

Lub tshuab kauv vuam yeeb nkab yog cov cuab yeej tseem ceeb rau kev tsim cov loj - txoj kab uas hla, tuab - cov kav hlau steel, nrog nws cov kev ua tau zoo cuam tshuam ncaj qha rau kev tsim khoom, cov khoom zoo, thiab cov khoom siv lub neej. Phau ntawv qhia no qhia meej txog txhua yam tseem ceeb ntawm cov cuab yeej siv, txij li kev paub txog kev paub txog kev nyab xeeb rau kev ua haujlwm. Raws li kev lag luam kev lag luam txav mus rau kev txawj ntse thiab ntsuab ntau lawm, kauv vuam yeeb nkab tshuab yuav txuas ntxiv ua ke nrog cov thev naus laus zis siab, ua kom muaj txiaj ntsig zoo thiab cov neeg siv khoom- tus phooj ywg. Los ntawm kev ua raws li cov lus qhia hauv daim ntawv no, cov neeg ua haujlwm thiab cov neeg ua haujlwm saib xyuas tuaj yeem ua kom lub tshuab ua haujlwm nyab xeeb thiab ua haujlwm tau zoo, ua kom nws muaj nuj nqis thiab txhawb nqa siab - kev txhim kho zoo ntawm cov lag luam tseem ceeb xws li roj av, roj av, thiab kev tsim vaj tsev hauv nroog.