Hauv kev kho lossis kev tsim kho, qhov kawg ntawm kev ua haujlwm zoo nyob ntawm kev xaiv cov khoom siv. Aluminium yeeb nkab nyias-walled muaj ntau ntau yam. Txhawm rau siv cov khoom kom raug, koj yuav tsum nkag siab txog cov yam ntxwv ntawm txhua yam ntawm nws hom. Nws tseem yog ib qho tseem ceeb kom nkag siab txog lub hauv paus ntsiab lus ntawm kev txhim kho nyias-walled aluminium kav. Raws li txoj cai ntawm kev teeb tsa thiab kev ua haujlwm ntawm cov khoom, nws tsis yog qhov nyuaj los tsim kom muaj lub zog ruaj khov thiab muaj zog uas muaj kev nyab xeeb hauv lub neej txhua hnub.
Yuav ua li cas yog nyias-walled aluminium yeeb nkab?
Kev tsim cov kav dej txhuas yog tsim los ua kom tau raws li qhov xav tau ntawm kev tswj xyuas lub neej ntawm thaj chaw thiab cov tsev. Muaj ntau ntau yam ntawm cov khoom zoo li no. Txhua yam ntawm lawv hom muaj qee yam ntawm cov yam ntxwv thiab nws muaj nws tus kheej.
Thin-walled aluminium yeeb nkab muaj cov khoom tuab txog li 5 hli suav nrog. Nws muaj xws li qualities xws li kev cia siab, tsis kam mus rau qhov kub thiab txias, thiabtiv thaiv corrosion. Txawm nyob rau hauv cov huab cua hnyav heev, cov kav dej zoo li no yuav tswj tau lawv txoj kev ncaj ncees.
Kev tsim cov kav dej txhuas yog tswj los ntawm GOSTs 18475-82, 18482-79, 23697-79. Alloy kav yog tsim raws li GOSTs 4784-97, 1131-76.
Qhov zoo ntawm txhuas yog nws cov thermal conductivity zoo, uas yog tseem coj mus rau hauv tus account hauv kev ua haujlwm ntawm cov khoom tsim los ntawm nws. Cov kav dej txuas ntxiv los ntawm lub ru tsev npog mus rau cov kav dej fittings. Vim lub softness ntawm cov hlau, cov khoom yog yooj yim rau txheej txheem.
Scope of application
Raws li nws cov yam ntxwv, cov kav dej txhuas muaj ntau yam kev siv. Nws yog qhov tsim nyog los siv cov khoom siv no hauv cov kav dej. Qhov no yog tag nrho tso cai los ntawm nws cov yam ntxwv. Cov kav dej txhuas kuj siv rau cov kav dej, thiab ua ke nrog titanium - rau cov kav dej.
Thin-wall aluminium kav yog siv dav hauv qhov cua tshuab. Feem ntau siv cov khoom siv los txuas kev sib txuas lus roj. Aluminium pipelines muaj nyob rau hauv cov tshuaj thiab roj av industries. Kev siv cov khoom ntawm hom no yog tus nqi-zoo thiab ua tau zoo ntawm qhov loj, thiab rau cov neeg siv khoom ntiag tug nws muab kev ntseeg siab thiab kev sib txuas lus zoo ntawm ntau hom.
pib seem
Kev tsim cov kav dej txhuas muab ntau qhov chaw noj nrog cov khoom tsim nyog. Nyob ntawm qhov xav tau, cov kav dej sib txawv hauv ntu.
Round seem yog qhov khoob khoob. Nyias-walled round aluminium raj yog tsim ntau zaus.
Ib lub duab plaub nyob rau hauv qhov txiav muaj cov duab ntawm cov duab sib thooj. Nov yog ib qho ntawm cov khoom lag luam.
Ib ntu square yog qhov 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 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 khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob Qhov no kuj yog hom khoom.
Cov yeeb nkab profile muaj ib feem ntawm cov duab tsis zoo thiab feem ntau ua rau xaj.
Rau kev siv dej, kav dej, dej ntws, kev sib txuas lus roj, feem ntau siv cov kav dej. Nyob rau hauv rooj plaub thaum lub tsev ua pa yog nruab, tej zaum square thiab rectangular hom khoom siv.
Rau cov chaw tsim khoom lossis cov cuab yeej tshwj xeeb ntawm cov khoom siv, cov kav dej txhuas yog tsim.
Tim cov kav dej los ntawm kev siv thev naus laus zis
Kev tsim cov kav dej txhuas muaj ntau txoj hauv kev ua cov khoom lag luam. Muaj cov kav dej:
- tsis muaj kev kho kub (kub-nias);
- nyuaj-ua haujlwm (muaj zog ntawm qhov kub qis dua recrystallization), yog cim H;
- ib nrab-hardened - cim H2;
- annealed (hardened) - cim M;
- tsis muaj zog - qib T5;
- hnub nyoog kos duab - T1 cim;
- naturally aged - brand T.
Txoj kev tsim cov yeeb nkab
Aluminium yeeb nkab yog tsim los ntawm peb txoj kev sib txawv.
Kev xaiv thawjsawv cev rau deformation ntawm lub voj voog aluminium. Lub tshuab no yog tus cwj pwm los ntawm kev kos duab, calibration, flashing ntawm qhov kub thiab txias.
thib ob yog nias cov khoom.
Qhov thib peb thev naus laus zis yog vuam ntawm aluminium ntawv lossis sawb. Nyob rau hauv cov ntaub ntawv no, kub tempering yog siv los tshem tawm kev ntxhov siab nyob rau hauv lub welds.
Profile ntawm ib txwm muaj hnub nyoog thiab kev ua haujlwm nyuaj nrog cov phab ntsa tuab txog li 10 hli raug tso cai los tsim yam tsis muaj kev kho cua sov. Nyob rau hauv tus txheej txheem ntawm kev tsim cov kav dej uas tsis yog tus qauv ntawm puag ncig, oval seem, kev ntsuas nruab nrab ntawm cov kab sab nraud thiab thickness yog ua. Rau txhua yam khoom thiab cov khoom thauj los ntawm cov kav dej, txhuas yog raug rau qee yam kev kho mob.
Saib sab hauv thiab sab nrauv
Muaj ntau qhov tsis xws luag uas yuav tsum tsis muaj nyob rau ntawm cov khoom kawg. Lawv tsis tuaj yeem siv rau hauv kev sib txuas lus hauv tsev, vim lawv tuaj yeem txo lub zog ntawm cov yeeb nkab txhuas.
Tsis muaj qhov tsis txaus ntseeg suav nrog:
- bundles;
- ncaws;
- shells;
- tsis yog-hlau additives;
- kab ntawm ntsev, corrosion;
- friability;
- strings;
- kab mob overburning hauv cov kav dej khov.
Nws tau txais rau cov kav dej txhuas kom muaj qhov tshwm sim uas tsis txo lub zog:
- kab ntawm matrix thiab nplhaib corrugations, yog tias lawv tsis mus dhau qhov kev ua siab ntev ntawm txoj kab uas hla;
- ib lub fistula (tubular sawb ntawm qhov vuam vim muaj roj emissions thaum lub sij hawmwelding) rau 100 m ntawm cov yeeb nkab;
- reeling prints rau cov kav dej tsis pub tsawg dua 3 m ntev. Lawv tuaj yeem nyob ntawm ob qhov kawg ntawm cov khoom.
Alloy pipes
Muaj ntau txoj hauv kev rau kev tsim cov kav dej los ntawm aluminium alloys nrog ntau yam hlau. Lawv raug tswj los ntawm cov qauv zoo tshwj xeeb.
Cov khoom sib xyaw ntawm duralumin kav yog suav tias yog cov khoom siv nrov tshaj plaws. Qhov no yog cov khoom siv ruaj khov heev. Nws cov alloy muaj aluminium, tooj liab, manganese thiab magnesium. Kuj tseem muaj cov alloys ntawm aluminium nrog titanium. Lawv txawm siv los npaj cov kav dej.
tooj liab-aluminium yeeb nkab yog siv ntau zaus. Nws tsis yog tsuas yog ib qho hlau ntawm ob cov ntaub ntawv no, tab sis kev sib xyaw ua ke ntawm cov hlau nplaum muaj zog ntawm cov tooj liab sab hauv thiab txheej txheej aluminium. Cov khoom no yog siv rau hauv cov cua kub thiab cua tshuab. Kev sib txuas ntawm ob txheej ntawm cov ntaub ntawv ua rau nws yooj yim rau kev tsim thiab muab lub zog, tsis kam mus rau qhov siab hauv qhov system. Ib tug txawv feature ntawm tooj liab-aluminium kav yog corrosion kuj. Vim yog tus cwj pwm tshwj xeeb ntawm tooj liab nyob rau hauv lub xub ntiag ntawm txhuas, tshwj xeeb fittings yog siv rau tej kav dej.
Duralumin kav
Duralumin kav yog suav tias yog nrov tshaj li tooj liab-aluminium nyias-walled kav. Lawv tiv taus deformation, corrosion, hnav, yoog raws, thiab yooj yim rau nruab. Qhov no nyias-walled aluminium yeeb nkab yog hu ua D16T thiab tuaj nrog ib txoj kab uas hla ntawm 7 hli thiab phab ntsa thickness ntawm 0.5 hli. Tsab ntawv "T" hauvKev kos cim qhia tias cov khoom tau dhau los ua tawv tawv thiab ntuj aging. Qhov loj tshaj plaws ntawm cov khoom tsim tawm yog nyias-walled aluminium yeeb nkab D16T 7˟0.5 mm.
Qhov tsis zoo ntawm cov khoom lag luam no yog qhov tsis zoo rau kev puas tsuaj rau electrochemical, tsis muaj peev xwm ncaj qha koom nrog duralumin kav nrog cam khwb cia hlau thiab hlau. Lawv cov nqi yog siab heev. Txawm li cas los xij, cov txiaj ntsig zoo tseem ceeb tshaj li npog tag nrho cov kev txwv.
Cov khoom siv khoov yeeb nkab
Thaum lub sijhawm teeb tsa cov kav dej, lawv yuav tsum tau khoov, muab lub kaw lus xav tau. Yuav kom tsis txhob deform lub puab txoj kab uas hla ntawm cov khoom, nws yog tsim nyog los ua hauj lwm nrog kev pab los ntawm cov khoom tshwj xeeb hu ua ib tug yeeb nkab bender. Lawv yog cov hauv qab no:
- Crossbow pipe benders. Siv rau cov khoom ntawm ib txoj kab uas hla.
- Caij nplooj ntoos hlav fixtures. Aluminium round nyias-walled yeeb nkab feem ntau yog khoov yam tsis muaj deformation los ntawm cov cuab yeej no.
- Segment hom. Rub cov yeeb nkab ncig nws tus kheej, muab nws qhov xav tau khoov.
- Dorn yeeb nkab benders. Lawv ua tau ib txoj hauj lwm zoo thaum flattening kav nrog ib lub vojvoog me me hauv tsev.
Raws li hom tsav, cov cuab yeej no tau muab faib ua 3 hom:
- phau ntawv, uas yog siv los hloov cov duab ntawm cov kav dej me me;
- hydraulic yuav pab khoov cov khoom mus txog 3 ntiv tes hauv ntu;
- electromechanical tso cai rau siab precision txias.
Txoj kev rau khoov txhuas kav
Nws yooj yim heev rau flatten aluminium nyias-walled kav hauv tsev siv ob peb txoj kev.
thawj txoj kev yog siv lub tshuab tshwj xeeb. Nws tau muab qhov yuav tsum tau khoov lub kaum sab xis. Tom qab ntawd cov yeeb nkab tau muab tso rau hauv qhov kev sib tw, thiab lub zog txo mus rau qhov xav tau.
Txoj kev thib ob yog siv lub tshuab Volnova. Cov yeeb nkab yog muab tso rau ntawm cov chais. Ib qho ntawm nws qhov kawg yog fastened nrog ib tug clamp. Tus kov rotates lub bracket. Cov menyuam yuav txav mus tom qab ncav cuag qhov yuav tsum tau khoov.
Txoj kev thib peb siv lub caij nplooj ntoo hlav. Nws raug xaiv raws li txoj kab uas hla ntawm cov yeeb nkab. Ib tug hlau yog txuas rau lub caij nplooj ntoos hlav. Ib lub yeeb nkab yog ntxig rau hauv, thiab cov txheej txheem khoov yog nqa tawm. Nws yog qhov zoo dua los ua nws hauv video. Siv ib lub xaim, cov khoom raug tshem tawm ntawm cov khoom siv. Lub caij nplooj ntoos hlav yuav pab kom tsis txhob deformation ntawm txoj kab uas hla ntawm cov khoom.
Yuav ua li cas khoov cov yeeb nkab yam tsis muaj cuab yeej tshwj xeeb?
Hauv arsenal ntawm cov cuab yeej hauv tsev, nws tsis tuaj yeem nrhiav cov cuab yeej tshwj xeeb rau cov yeeb nkab dabtsi yog khoov. Yog tias koj xav ua qhov haujlwm no, koj yuav tsum ua nrog cov txheej txheem improvised. Cov yeeb nkab txhuas, GOST uas tsis tso cai rau deformation ntawm cov khoom seem ntawm cov khoom, yuav tsum tau ua tshwj xeeb.
Aluminium flattening yuav tsum muaj roj burner. Cov yeeb nkab yuav tsum tau kho nyob rau hauv ib tug lwm, thiab nws yog rhuab nyob rau hauv lub khoov. Qhov kev txiav txim no tuaj yeem ua tau thaum qhov kub ntawm cov khoom mus txog qib uas ib daim ntawv coj mus rau nws yuav haus luam yeeb. Yog tias qhov kev txiav txim no raug coj nrogsquare yeeb nkab, koj yuav tsum tau mus rau kev pab los ntawm ib tug roj hmab mallet thiab ob qho kev txhawb nqa. Ua ntej txheej txheem, xuab zeb yog nchuav rau hauv cov yeeb nkab. Nws raug kaw nrog cov ceg txheem ntseeg ntoo. Qhov kev txiav txim qeeb, tab sis qhov tshwm sim yuav zoo.
Txawm tias cov kav dej txhuas zoo li tus tuaj yeem khoov nrog cov txhais tau tias tsis zoo. Lub caij nplooj ntoos hlav nruj yuav tsum tau nruab rau ntawm qhov khoov, khi nws nrog hlau. Xuab zeb los yog dej kuj tseem nchuav rau hauv (yog tias lub caij ntuj no, thiab ua haujlwm yog ua thaum txias).
Cov no yog cov txheej txheem yooj yim tab sis siv tau zoo.
vuam ntawm cov kav dej nyias nyias
Txoj hauv kev zoo tshaj plaws los txuas cov qauv hlau yog vuam. Nws yuav tsum tau ua raws li GOST 10704-91 siv roj lossis hluav taws xob arc. Nyias-walled aluminium yeeb nkab txuas nrog txoj kev no tsuas yog los ntawm cov kws paub txog kev paub. Yog hais tias lub cheeb ntawm cov khoom yog ntau tshaj 40 hli, vuam yog nqa tawm nyob rau hauv cov theem. Thawj txheej yuav tsum tau nqis los, thiab qhov thib ob yuav tsum tau khov.
Thaum pib, cov dots yog soldered los ntawm ib qho, thiab tom qab ntawd cov chaw uas ploj lawm txuas nrog. Tom qab thawj theem, cov khoom raug tshuaj xyuas qhov tsis xws luag. Thaum lawv raug kuaj pom, qhov yuam kev raug tshem tawm tam sim ntawd.
Vuam ntawm cov txheej tom ntej yog qeeb. Hauv qhov no, cov yeeb nkab yuav tsum tig.
Qhov kawg tshwm sim yuav tsum muaj qhov sib npaug, du seam uas sib xyaw seamlessly rau hauv cov hlau. Qhov kev sib tshuam hauv qhov no tseem muaj zog dua li cov khoom siv nws tus kheej. Yog li ntawd, kev ntseeg siab thiab ua haujlwm ntev ntawm kev sib txuas los ntawm vuam yog lav.
Kev nkag siab lub hauv paus ntsiab lus ntawm kev tsim khoom, nrog rau cov yam ntxwv thiab cov yam ntxwv ntawm hom kev sib txuas lus, xws linyias-walled aluminium yeeb nkab, koj tuaj yeem siv cov khoom kom raug nyob rau hauv cov xwm txheej ntawm kev kho ntawm ob chav me me thiab cov complexes. Nkag siab txog cov cai ntawm kev teeb tsa thiab kev tuav ntawm cov khoom uas tau nthuav tawm, nws tso cai los sib sau cov qauv hauv tsev txawm tias tsis muaj kev pab los ntawm cov cuab yeej tshwj xeeb.
