2024 Tus sau: Beatrice Philips | [email protected]. Kawg hloov kho: 2024-01-07 13:51
Kev paub txog cov yam ntxwv thiab hom hlau tsis xeb yog qhov yuav tsum muaj rau txhua tus kws tshaj lij uas paub dhau los thiab cov kws ua haujlwm hauv tsev. Nws tseem yuav muaj txiaj ntsig zoo rau tib neeg nrhiav kev nthuav dav lawv lub qab ntug. Muaj ntau ntau yam sib txawv ntawm cov khoom lag luam, thiab ib tus yuav tsum tsis txhob cuam tshuam lawv thaj chaw ntawm kev thov.
Kev faib tawm
Cov hlau tsis xeb niaj hnub no tsis yog ua los ntawm cov hlau nrog qib qis ntawm kev xeb. Nws ib txwm tseem yog cov qib qib sib xyaw cov khoom uas tiv taus cua sov. Kev tsim qauv thoob ntiaj teb ntev tau yooj yim los paub - nws zoo li xov lossis hlua . Feem ntau cov xaim xaim hlau tsis muaj kab hla ntu. Nws tau siv dav hauv ntau thaj chaw, yog li nws tau sawv cev los ntawm ntau qhov kev hloov kho.
Knitting xaim yog nrov heev . Nws tau siv los txhim kho kev txhawb nqa - thiab nws tsis yog qhov xav tsis thoob tias cov khoom siv no yuav tsum tsis xeb kom ntev li ntev tau thaum siv ib txwm muaj. Cov kev xav tau tseem ceeb tau teev tseg hauv GOST 3282-74. Cov kws tshaj lij tau sau tseg ntev tias qhov tuab dua qhov kev txhawb nqa, qhov loj dua ntawm cov hlau siv yuav tsum yog. Nws yuav tsum tau muab tso kom sib npaug li qhov ua tau, vim tias txwv tsis pub cov thauj khoom yuav faib tsis raug.
Tab sis vuam hlau tuaj yeem ua tau stainless. Cov khoom siv no muaj txiaj ntsig vim tias qhov ua tiav weld kuj muaj cov khoom tiv thaiv zoo heev . Yeej, cov hlau tshwj xeeb tshwj xeeb tau siv rau tag nrho lossis ib nrab siv cov txheej txheem vuam. Nws yog qhov muaj txiaj ntsig ob qho tib si rau kev ua haujlwm hauv huab cua tsis zoo thiab rau vuam hmoov hlau.
Nws yog qhov tsim nyog txiav txim siab tias cov xaim no tseem ua haujlwm zoo rau qhov tau txais cov hluav taws xob zoo.
Cov xaim ua haujlwm tawv tawv tsim nyog tau txais kev saib xyuas tshwj xeeb. Nws xav tau rau:
- ua txhuam rau kev ntxuav tes thiab ntau lub tshuab ntxuav;
- los tsim cov hlau fiber (ib yam ntawm cov cuab yeej txhawb nqa rau kev ua vaj tse);
- ua cov kab thiab hlua;
- tau txais cov dej yooj yim;
- ua cov khoom rau tsheb thiab tsheb thauj khoom;
- tsim cov laj kab thiab lwm yam kev thaiv.
Lub caij nplooj ntoo hlav hlau tsis xeb yog ua los ntawm cov hlau uas muaj cov pa roj carbon ntau . Nws tau siv thaum nws tsim nyog los ua tshwj xeeb tshaj yog cov nyom thiab cov dej tseem ceeb. Qhov seem ntawm cov xov hlau tuaj yeem yog daim ntawv ntawm lub voj voos, oval lossis duab plaub - nyob ntawm qhov xav tau ntawm ib qho xwm txheej twg. Fiber ntau txoj kab uas hla yog 0.3 txog 5 hli. Yog tias siv cov hlau hlau, qhov dav tshaj plaws tau nce mus rau 8 hli.
Nws yog ib txwm coj los hais txog cov hauv qab no:
- kub dov khoom;
- cov khoom txias txias;
- hlau hlau (dawb los ntawm oxides);
- cov khoom oxidized;
- tooj liab-plated hlau;
- cov khoom ntawm ib txwm thiab nce qhov tseeb;
- xaim ntawm 1 thiab 2 pawg ntawm ductility.
Npav
Kev tsim cov hlau hlau raws li GOST 1972 yog raws li hauv qab no:
- X - cov khoom txias txias;
- T - kev kho cua sov (suav nrog cov khoom ntawm hom oxidized nrog cov cim ntawm kev ua kom tsis zoo);
- TC - lub teeb hlau uas tsis muaj cov oxides thiab tsis muaj cov cim ntawm kev ua kom puas;
- P - nce kev tsim khoom raug.
Qhov hnyav (huab hwm coj) ntawm cov hlau tsis xeb hlau ntawm cov kab hla uas muaj qhov ntev ntawm 100 m raug coj raws li hauv qab no (nyob ntawm txoj kab uas hla):
- 0.5 hli - 0.31 kg;
- 1 hli - 0.62 kg;
- 1.5 hli - 1.4 kg;
- 2 hli - 2,48 kg;
- 2.5 hli - 3.88 kg;
- 3 hli - 5.58 kg;
- 4 hli - 9, 93 kg;
- 6 hli - 22, 3 lossis 22, 6 kg.
Txoj kab uas hla me tshaj plaws yog 0.3 hli. Tab sis nrhiav cov xaim no nyuaj heev. Feem ntau, xaim ua los ntawm cov hlau ntawm AISI 321 qeb yog siv rau txawv teb chaws. Hauv kev coj ua hauv tsev, nws qhov sib piv sib piv yog 08X18H10T lossis 12X18H10T. Cov khoom txias txias tuaj yeem yog los ntawm 0, 51 txog 1, 01 mm txoj kab uas hla, thiab ua haujlwm kub los ntawm 0, 3 txog 6 hli. Thaum kos cov hlau, cov tshuaj uas tsawg dua 1% raug tso cai tsis qhia. Alloy 12X18H10T sawv cev rau:
- tsis ntau tshaj 0, 12% carbon;
- txog li 1% titanium;
- raws nraim 18% chromium;
- raws nraim 10% npib tsib xee;
- txhua yam yog hlau.
Txawm hais tias tsis muaj tshuaj lom neeg, hlau tsis tsim nyog ua tib zoo saib xyuas. Nws txoj kab uas hla yog qhov txhab ntawm cov quav los yog ntim rau hauv cov skeins.
Txhawm rau npog los ntawm kev siv tshuab nyuaj, siv zaj duab xis lossis ntawv qhwv ntawv. Nws tau pom zoo kom thauj cov xaim nyob hauv qhov kev thauj mus los tiv thaiv los ntawm nag. Nws qhov kev tso cai tsuas yog tso rau hauv chav sov.
Hauv qhov no, koj yuav tsum tau tiv thaiv cov khoom los ntawm dej. Qhov ntev ntawm txoj hlua lossis kauj yog txiav txim siab los ntawm cov neeg siv khoom lawv tus kheej. Cov xaim yuav tsum tau raug mob hauv daim ntawv ntawm nruj nruj tsis tu ncua kab. Txwv tsis pub, nws yuav nyuaj heev rau rewind qhov xav tau ntawm cov khoom. Lub sijhawm khaws khoom (raws li txoj cai tsim) tsis txwv.
Cov cheeb tsam ntawm kev siv
Stainless hlau yog siv dav heev. Raws li tau hais los saum toj no, cov hlua thiab cov springs yog tsim los ntawm nws. Nws kuj ua haujlwm raws li cov khoom siv raw rau ntau yam khoom siv. Hlau nrog cov khoom tsis muaj zog tau nquag siv hauv:
- engineering kev lag luam;
- tshuaj kho mob;
- zog;
- kev tsim kho;
- kev lag luam thauj
Cov hlau tsis zoo yog qhov zoo rau ntau yam ntawm kev ua haujlwm vuam. Cov xaim tau los ntawm nws muaj cov nplaim matte thiab tsis tau npog nrog ib txheej txheej. Feem ntau, cov khoom lag luam tau txais los ntawm Sv-04Kh19N9 thiab 06Kh19N9T cov hlau nplaum. Cov qib siab ntawm alloying ua rau nws muaj peev xwm ua tiav cov yam ntxwv zoo heev.
Tab sis tseem yog cov hlau ntawm Sv-12X11NMF thiab Sv-10X17T qib tam sim no tau txais thoob plaws ntiaj teb.
Ob qho kev sib xyaw no muaj ntau dua 10% alloying ntxiv. Kev ruaj ntseg ntawm cov khoom siv hlau tsis zoo ntawm qhov kub siab thiab raug rau ntau yam tshuaj tso cai rau nws siv nrog kev ntseeg siab hauv kev tsim cov khoom tseem ceeb thiab cov khoom siv hluav taws xob . Kev lag luam roj kuj tsis tuaj yeem nyob yam tsis muaj xaim - lawv ua cov cuab yeej rau tso cov yees los ntawm nws. Tau kawg, kev tsim cov roj thiab ua kom zoo yuav tsum tau siv cov xaim rau vuam ib yam. Nws kuj tseem siv dav hauv kev lag luam rooj tog.
Cov khoom siv hlau zoo tuaj yeem siv tau ntau xyoo nrog kev txawj siv . Nws yuav luag tsis ntshai ntawm kev thauj khoom thiab hauv qhov no nws qhia nws tus kheej tias tsim nyog raws li cov phaj, cov ntawv, cov phaj thiab cov duab.
Tab sis lub luag haujlwm ntawm cov hlau tsis huv tshwj xeeb tshaj yog zoo hauv kev lag luam khoom noj. Corrosion resistant hlau tau ntev tau lees paub tias yog ib qho ntawm cov ntaub ntawv tsim nyog tshaj plaws rau cov khoom siv tuav khoom noj. Cov khoom siv yog tu cev, tsis muaj tshuaj lom neeg, pheej yig thiab npaj tau.
Cov cuab yeej zoo tib yam txiav txim siab kev siv dav hlau tsis muaj hlau nyob hauv kev lag luam tshuaj. Vim tias lawv, nws tau npaj txhij siv hauv kev tsim cov cuab yeej phais thiab cov cuab yeej siv kho mob kom raug . Cov tuam ntxhab tsim cov khoom siv hauv tsev tau txaus siab rau cov hlau tsis muaj hlau feem ntau yog cov khoom siv los ua cov hlau txuas. Tab sis nws kuj tseem tuaj yeem siv ua cov khoom pabcuam rau kev txhawb nqa. Lwm lub xaim ua los ntawm cov hlau txhim kho xav tau txhawm rau txhawm rau tib lub hlau tsis xeb.
Nws tuaj yeem siv rau hauv ib puag ncig nruj heev . Yog li ntawd, cov khoom siv no tau txais txiaj ntsig los ntawm cov tuam txhab tsim dav hlau, dej thiab dej hiav txwv. Ntawm lawv, nws tau siv txhua qhov chaw koj xav tau kev ruaj khov tshaj plaws thiab tib lub sijhawm sib txuas tau raug. Cov hlau tsis zoo yog qhov nthuav, txawm li cas los xij, kuj rau cov tuam txhab tsim tsheb. Ntau txoj hlua khi, cov kwj deg thiab cov hlua txuas tau tsim los ntawm nws, vim tias nws nyuaj rau nrhiav lwm qhov haujlwm uas muaj kev tiv taus ntau dua rau kev ua haujlwm nyuaj ntawm tib tus nqi.
Pom zoo:
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