Roll-form Profile: Ntau Yam Thiab Ntau Lawm, GOST Nkhaus-welded Hlau Profile, Txias-tsim Kaw Thiab Lwm Yam Welded Profile

2024 Tus sau: Beatrice Philips | [email protected]. Kawg hloov kho: 2023-12-16 05:41

Nws yog qhov tsim nyog kom paub txhua yam txog kev tsim cov ntawv profile, nws cov khoom sib txawv thiab kev tsim khoom txhawm rau txhawm rau daws teeb meem ntau yam. Nws yog qhov muaj txiaj ntsig los ua tib zoo kawm GOST nkhaus-welded hlau profile. Nws kuj tseem tsim nyog tau them sai sai rau qhov txias-tsim kaw thiab lwm yam welded profile.

Nws yog dab tsi?

Cov ntaub ntawv tais diav yog ib yam khoom siv hlau tau los ntawm kev sau cov ntaub ntawv los ntawm kev maj mam kho cov duab ntawm cov ntawv lossis kab txaij. Tag nrho cov txheej txheem yuav siv qhov chaw sab hauv lub yob ntawm cov khoom siv yob.

Ntau yam ntaub ntawv tau siv los ua khoov profile. Ua ke nrog cov kuav los tiag kub lossis txias kuav los tiag hlau, cov no tuaj yeem yog:

• txhuas;
• tooj liab;
• tooj liab thiab tooj liab raws cov hlau nplaum;
• lwm yam hlau tsis yog hlau - zinc thiab tooj dag.

Muaj ntau ntau hom khoov profile. Qee yam ntawm cov khoom no txawm tias yog thawj qhov tsim los rau kev tsim kho tsheb ciav hlau los yog corrugated. Cov kev cai ntawm GOST 30245-2003 feem ntau yog siv rau cov ntaub ntawv khoov . Kom meej dua, tus qauv no tsuas yog siv rau cov khoom lag luam kaw, tab sis qhov tseeb no tsis tsim teeb meem tshwj xeeb.

Tus txheej txheem muab rau kev siv cov khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob pob ntawd, uas yog tom qab ntawd tig mus rau hauv cov khoom lossis cov duab plaub uas siv cov cuab yeej tshwj xeeb.

Kev siv tshuab ntau lawm

Txias-tsim khoov-welded profiles tau tsim los ntawm kev hu ua yob txoj kab. Lawv suav nrog:

• tshuab ncaj;
• accumulator ntawm yob;
• loader ntawm ntau yam versions;
• kev txais tos thaiv;
• stacker (stacking unit);
• ntau lawm sawv;
• txiav system;
• chav tswj tsis siv neeg.

Hauv qee kis, kab suav nrog cov cuab yeej uas txiav qhov kawg ntawm cov yob thiab txuas lawv siv hluav taws xob vuam (arc lossis taw tes). Kev txiav hlau yog ua los ntawm kev siv saws tshwj xeeb lossis nias txiab. Cov ntawv sib sau ua ke tau cim nrog cov lej lej . Thawj ob ntawm cov lej qhia pom qhov tuab ntawm cov haujlwm ua tiav, thiab cov uas seem qhia tau tias nws dav npaum li cas; hauv ob qho tib si, qhov ntsuas yog hauv millimeters. Yob txoj kab ke ua haujlwm hauv ob txoj hauv kev tseem ceeb.

Hauv ib kis, qhov kev hu ua txuas ntxiv cov ntaub ntawv tau ua tiav . Tom qab ntawd muab qhov chaw seem tshem tawm tam sim ntawd. Hauv daim ntawv-ib-thooj version, cov hlau tau txiav ua ntej rau qhov xav tau qhov ntev thiab tsuas yog tom qab ntawd nws cov duab geometry tau hloov pauv. Qhov tsis muaj qhov kawg ntawm cov txheej txheem yog txhawb los ntawm kev vuam nruab nrab ntawm sab nraub qaum thiab pem hauv ntej ntawm cov pob hauv cov saw hlau. Tseem ceeb: Yog tias cov yob tsis raug ntsuas kom raug, qhov ua tau zoo ntawm qhov profile raug txo qis.

Muaj peev xwm ua txhaum cai (sib txawv ntawm qhov zoo li thiab duab geometry ntawm qhov profile):

• crescent, uas yog, kab rov tav distortion;
• helical;
• cov tsos ntawm nthwv dej;
• khoov ntawm ntu kawg;
• ua txhaum ntawm kev pom zoo hla ntu ntawm qhov kawg;
• qhov tsis sib xws ntawm qhov ntev me me;
• tsis txaus tsim ntawm lub vojvoog puag ncig;
• kev sib txawv ntawm lub kaum sab xis.

Cov thev naus laus zis ntawm cov ntaub ntawv hlau tau tsim tau zoo heev hauv thawj ib nrab ntawm lub xyoo pua xeem . Tab sis cov txheej txheem no tau maj mam hloov pauv los ntawm kev siv thev naus laus zis deformation. Txo cov naj npawb ntawm kev hloov pauv siv cov thev naus laus zis niaj hnub no ua rau nws yooj yim dua thiab txo tus nqi ntawm cov cuab yeej siv khoom siv. Nyob rau tib lub sijhawm, cov txiaj ntsig ntawm kev tsim khoom nce ntxiv, cov txiaj ntsig no tshwj xeeb tshaj yog hais hauv ntu me me.

Cov ntaub ntawv uas nyuaj rau deform thiab muaj qis ductility feem ntau ua tiav siv txoj kev khoov txwv.

Tab sis txoj kev deformation hnyav yog ntau yam ntxiv. Nws tso cai rau koj kom tau ib feem ntawm yuav luag txhua ntu . Tsis ntseeg, txhua txoj hauv kev yuav raug txhim kho yav tom ntej. Lawv daim ntawv thov tuaj yeem sib txawv heev los ntawm cov chaw tsim khoom mus rau cov chaw tsim khoom. Yog li ntawd, nws yog qhov tsim nyog yuav tsum txaus siab rau qhov nyuaj ntawm kev ua thaum tso qhov kev txiav txim.

Cov ntawv nkhaus, txawm hais tias txhua qhov tshwj xeeb sib txawv, ib txwm tsim los ntawm ob lub ntsiab lus tseem ceeb . Nws yog ib txwm coj los hu lub caj dab kom nthuav dav. Lub txee yog hu ua cov tiaj tiaj uas tau khi los ntawm khoov ntawm ib sab. Cov ntawv tuab yog 1-3 hli. Nws ntev yog xaiv los ntawm cov neeg siv khoom lawv tus kheej; Feem ntau, cov hlau tsis sib dhos tau siv los ua qhov khoob, uas tsis muaj qhov tsis xws luag thiab lwm yam tsis xws luag.

Kev siv tshuab ua kom zoo dua qub yog ib txwm ua rau ib txoj haujlwm: ncua lub neej ntawm cov khoom. Hauv txoj ntsiab cai, qhov profile tuaj yeem muaj kev teeb tsa xaiv los ntawm cov neeg siv khoom. Cov kws tsim txuj ci siab xav txog qhov twg thiab lub qhov twg tuaj yeem ua qhov drilled yam tsis hloov pauv qhov yooj yim ntawm cov qauv nws tus kheej. Cov neeg tsim khoom niaj hnub them nyiaj ntau rau kev txo qis, ntau li ntau tau, kev siv hlau ntawm cov khoom lag luam tsim tawm. Cov ntaub ntawv tiav lawm muaj txhua qhov kev tsim nyog rau kev siv sab nraum zoov, suav nrog rau kev ua haujlwm ru tsev.

Saib

Kaum

Ntawm cov khoom sib txawv ntawm cov hlau profile ntawm hom khoov, cov ces kaum ntawm cov qauv sib luag thiab tsis sib xws nyob hauv qhov chaw tshwj xeeb. Cov khoom lag luam no tau tsim los txhawm rau txhim kho lub zog ntawm cov qauv, thiab yog li ntawd xav tau ntau. Cov pob zeb feem ntau siv thaum tsim cov laj kab thiab txhim kho wickets. Qee qhov xwm txheej, theem kawg ntawm kev kho yog daim ntawv thov txha hniav laus nrog cov khoom tiv thaiv xeb. Tus nqi ntawm cov khoom kawg ntau ntau nyob ntawm seb cov hlau tshwj xeeb nws tau ua los ntawm.

U-puab

Hom khoom no tseem qee zaum hu ua khoov raws. Qhov tuab ntawm cov khoom lag luam no rau cov tuam ntxhab feem ntau yog 4 lossis 5 mm. Qhov sib txawv ntawm cov qauv cuam tshuam nrog kev tsis sib xws ntawm cov txee, qhov muaj lossis tsis muaj qhov ntxig. Kev nthuav dav ntawm kev thov ntawm U-shaped bent profile yog qhov ua tau yam tsis txwv . Nws yog feem ntau siv hauv kev tsim kho, thiab rau cov phiaj xwm nyuaj tshaj plaws, kev tsim qauv nrog cov qauv tshwj xeeb tau siv.

C-puab

Kev teeb tsa nkhaus muaj qhov ua tau zoo tshaj plaws ntawm lub zog ntawm cov khoom tsim tawm. Qhov no ua rau nws muaj peev xwm txo qis kev siv cov hlau thiab yog li txo tus nqi ntawm cov qauv tiav thiab pab txhawb lawv. Yuav luag txhua lub tuam txhab tsim cov khoom lag luam zoo li no, siv txhua lub sijhawm qhov ntev thiab lwm yam kev ntsuas raws li kev txiav txim siab ntawm cov neeg siv khoom . Kuj tseem muaj qhov ua tiav loj ntawm cov khoom sib txawv. Rau kev tsim khoom ntawm cov duab ntawm cov duab no, siv tau zoo thiab ib nrab steel tuaj yeem siv tau.

C-puab cov qauv yog qhov xav tau los ntawm ob tus neeg tsim khoom thiab tshuab tsim. Sib piv nrog cov qauv kub-kuav los tiag, txo 15-20% kev txo cov khoom siv tau ua tiav. Cov ntawv thov nquag:

• racks khoom;
• thav duab ntawm phab ntsa hlau;
• tsim kev sib txuas lus masts;
• kev tsim kho lub rooj vag thiab laj kab.

Z-puab

Cov qauv zoo li no tau siv dav heev los ntawm cov neeg tsim khoom. Cov txheej txheem, nws yog kab hlau ntawm cov hlau nrog ib khub ntawm cov khoom sib tw tsis sib xws. Muaj, ib yam li lwm qhov xwm txheej, kev xaiv sib luag thiab tsis sib xws. Muaj ntau lub tuam txhab muab cov khoom lag luam nrog cov hmoov txheej hauv cov xim tshwj xeeb los ntawm RAL system . Kev tiv taus rau ntau yam khoov tau lees tias tsis muaj qhov poob ntawm lub zog yam ntxwv.

Channel tuav

Qhov kaw qhov welded profile tuaj yeem muaj:

duab plaub

xwmfab

puag ncig teeb tsa

Qhov tshwj xeeb ntawm txoj kab nkhaus yog tias ob sab ntawm cov ntawv hlau tau khoov 90 degrees thaum cov txheej txheem tsim khoom. Kev tsim khoom tuaj yeem siv cov txheej txheem xyoo 1983 thiab 1987. Qhov kev xaiv ntawm tus qauv tshwj xeeb yog, tau kawg, sib tham nrog cov neeg siv khoom. Raug qhov ntev yog 6 thiab tseem 12 m. Tab sis cov neeg siv kuj tseem muaj kev nkag tau rau cov khoom lag luam uas tsis muaj qhov ntev xws li qhov loj ntawm 3 txog 11, 7 m.

Sigma cov profile

Hom kab nkhaus no tau txais nws lub npe rau qhov zoo sib xws rau tsab ntawv Greek thaum ub. Ib qho tseem ceeb tshaj yog qib qis kawg ntawm kev thauj khoom ntawm cov hauv paus. Cov cuab yeej no tau txais txiaj ntsig los ntawm cov neeg tsim khoom thiab cov kws tsim vaj tsev. Rau kev tsim khoom ntawm sigma profile, cov tshuab tshwj xeeb thiab qib hlau 250-350 xav tau. Kev teeb tsa cov ntsiab lus npaj tau yog qhov yooj yim heev thiab tuaj yeem ua tau txawm tias cov neeg ua tsis tau paub dua yam tsis muaj teeb meem.

Cov txiaj ntsig ntawm Omega Profiles

Lawv lub hom phiaj yog teeb tsa LSU vaj huam sib luag. Kev nrawm tuaj yeem ua tiav ob qho tib si ntawm kab rov tav thiab ntsug sib npaug. Feem ntau, tuab ntawm cov hlau tsis tshaj 1 hli. Aluminium feem ntau yog siv kom tau txais omega profile . Hauv qee kis, nws yog tsim los ntawm cov hlau. Tab sis nws yog ib qho tseem ceeb uas cov khoom lag luam zoo li yuav luag tsis muaj lub hauv paus.

Nws yuav tsum tau nyob hauv siab tias txhua qhov tsuas yog teev cov kev xaiv rau cov ntaub ntawv tseem tuaj yeem muaj qhov qhib-tsim tsim.

Cov ntawv thov

Raws li twb tau sau tseg ntau zaus, kev siv cov khoom no yog dav heev. Lawv tuaj yeem raug yuav rau cov kev xav tau ntawm kev tsim khoom thiab kev tsim kho pej xeem. Nws yog hais txog kev tsim:

• cov nqa khoom;
• thaiv;
• tsim qauv ntawm ntau hom.

Cov ntawv khoov hlau zoo li muaj peev xwm ua tau zoo heev . Nws txhav txhav txhav ua kom ntseeg tau txawm tias nyob hauv qhov hnyav. Cov khoom lag luam no tsis tshua muaj siv rau kev tsim cov tsev nyob, tab sis ntawm cov chaw tsim khoom lawv pom meej dua. Piv txwv li, cov ntawv tiaj tiaj tau raug xaj tsis tu ncua rau kev tsim kho cov chaw tsim khoom loj thiab cov cua sov ua kom sov. Lwm daim ntawv thov tseem ceeb yog hloov cov phab ntsa ib txwm muaj.

Nws tsim nyog sau cia tias cov ntawv nkhaus kuj tseem xav tau hauv kev tsim kho cov khoom vov tsev. Nyob ntawd, nws qhov txheeb ze qhov pom kev thiab lub zog tsis txaus ntseeg tig los ua qhov zoo tseem ceeb. Raws li rau cov khoom tau txais los ntawm kev txwv txoj kev khoov, txoj hauv kev no tau xub xub thov hauv kev tsim dav hlau. Nws tau siv hauv kev lag luam no nyob rau tiam 21st century.

Tsis tas li, khoov qhov profile tau yuav:

• rau kev tsim cov plag tsev (plag tsev);
• rau kev tsim cov menyuam thiab kev zawm hniav ntawm lub ru tsev trusses;
• rau kev tsim cov khoom lag luam;
• rau kev tsim cov roj thiab qhov cub hluav taws xob;
• rau qhov xav tau kev tsim khoom noj khoom haus.