Txoj kev sib hais haum rau txhuas profiles siv hauv kev tsim kho feem ntau koom nrog hnyav kev sib hais haum thiab theoretical kev hais haum. Qhov hnyav sib hais cuam tshuam txog cov khoom siv txhuas profile, suav nrog cov khoom ntim txhuas, thiab suav cov khoom ntim, thiab suav cov nyiaj them nqi raws li tus nqi sib zog los ntawm tus nqi ib lub tuj. Qhov kev hais txog theoretical yog suav los ntawm nroo los ntawm kev hnyav theoretical qhov hnyav ntawm cov profiles los ntawm tus nqi ib tuj.
Thaum lub sij hawm hnyav kev sib hais, muaj qhov sib txawv ntawm qhov hnyav hnyav thiab qhov hnyav tau xam cov theoretically. Muaj ntau qhov laj thawj rau qhov sib txawv no. Cov ntawv no feem ntau yog tsom xam cov qhov hnyav sib txawv los ntawm peb yam: sib txawv ntawm cov khoom siv hauv paus, sib txawv hauv cov txheej txheem saum npoo av, thiab hloov pauv hauv cov khoom ntim. Kab lus no tham txog yuav ua li cas tswj hwm cov yam ntxwv los txo kev cuam tshuam.
1. Txig sib txawv tshwm sim los ntawm kev hloov pauv hauv cov ntaub tuab
Muaj ntau yam sib txawv ntawm cov tuab tuab thiab cov theoretical tuab ntawm cov profiles, ua rau qhov hnyav ntawm qhov hnyav thiab qhov hnyav.
1.1 suav qhov hnyav raws ntawm cov tuab tuab
Raws li Suav cov qauv GB / T5237.1, rau cov ntaub ntawv nrog lub voj sab sab nraud tsis txhob pub tshaj 3.0mm, lub siab-precision kev sib txawv yog ± 0.13 hli. Noj ib qho 1.4mm-tuab qhov rai thav duab profile ua piv txwv, qhov hnyav ntawm lub ntsuas hluav taws xob ib meter yog 1.038kg / m. Nrog kev sib txawv ntawm 0.13mm, qhov hnyav rau ib meter yog 1.093kg / m, qhov txawv ntawm 0.055kg / m. Nrog kev sib txawv ntawm 0.13mm, qhov hnyav rau ib lub ntsuas yog 0.982kg / m, qhov txawv ntawm 0.056kg / m. Xam rau 963 meters, muaj qhov sib txawv ntawm 53kg ib tuj, xa mus rau daim duab 1.
Nws yuav tsum raug sau tseg tias daim duab qhia tsuas yog txiav txim siab cov tuab sib txawv ntawm 1.4mm nomum nominal tuab seem. Yog tias tag nrho cov kev sib txawv tuab tau coj mus rau hauv tus account, qhov sib txawv ntawm qhov hnyav thiab qhov hnyav hnyav yuav yog 0.13 / 1.4 * 1000 = 93kg. Lub neej ntawm cov sib txawv hauv cov khoom siv hauv paus tuab ntawm aluminium profiles txiav txim siab qhov sib txawv ntawm qhov hnyav thiab qhov hnyav hnyav. Qhov ze dua qhov tseeb tuab yog rau theoretical thickness, qhov ze zog hnyav yog rau qhov hnyav. Thaum lub sijhawm zus tau tej cov khoom siv txhuas cov khoom siv, cov tuab tuab nce ntxiv. Hauv lwm lo lus, qhov hnyav hnyav ntawm cov khoom tsim los ntawm tib cov pwm pib tawm ntawm qhov hnyav dua li qhov hnyav dua li qhov hnyav dua qhov hnyav dua.
1.2 Cov hau kev los tswj kev sib txawv
Qhov zoo tshaj ntawm cov txhuas profile ua kom cov pwm yog qhov tseem ceeb ntawm kev tswj hwm qhov hnyav ib meter ntawm cov profiles. Firstly, nws yog qhov yuav tsum tau nruj kev siv txoj siv sia thiab ua kom muaj cov pwm kom paub tseeb tias cov zis tuab ua tau raws li qhov yuav tsum tau ua, nrog kev tswj hwm tsis raws li 0.05 hli. Qhov thib ob, cov txheej txheem ntau lawm yuav tsum tau tswj los ntawm kev tswj cov extrusion ceev kom zoo thiab ua kev txij nkawm tom qab cov pwm kis, raws li cov txheej txheem. Tsis tas li ntawd, cov pwm tuaj yeem tsim kev kho mob nitrogoning kom nce lub hardness ntawm kev ua haujlwm thiab qeeb txoj kev nce hauv thickness.
2.Qhov hnyav hnyav rau lub phab ntsa sib txawv tuab yuav tsum muaj
Lub phab ntsa tuab ntawm Aluminium profiles muaj kev thev naus laus zis, thiab cov neeg yuav khoom sib txawv muaj cov sib txawv ntawm cov khoom siv phab ntsa tuab. Nyob rau hauv lub phab ntsa thickness kam rau qhov yuav tsum tau muaj, qhov kev sib txawv ntawm theoretical. Feem ntau, nws yuav tsum muaj tsuas yog kev sib txawv lossis tsuas yog ib qho kev sib txawv tsis zoo.
2.1 theoretical qhov hnyav rau kev sib txawv
Rau txhuas profiles nrog kev sib txawv hauv phab ntsa tuab, ntawm cov khoom siv hauv paus yuav tsum tau ntsuas phab ntsa ntsuas kom tsis txhob tsawg dua 1.4mm lossis 2.0mm. Kev xam cov txheej txheem rau qhov hnyav hnyav nrog kev ua siab ntev yog los kos ib daim duab tuab nrog cov phab ntsa tuab thiab laij cov nyhav ib meter ib meter. Piv txwv li, rau ib qho profile nrog 1.4mm phab ntsa tuab thiab lub ntsej muag zoo ntawm 0.26mm (tsis zoo rau siab txog 0mm), phab ntsa tuab ntawm kev sib txawv ntawm kev sib txawv yog 1.53 hli. Qhov hnyav rau ib lub ntsuas rau cov ntaub ntawv no yog 1.251kg / m. Qhov hnyav theoretical rau kev ua haujlwm hnyav yuav tsum tau muab xam raws li 1.251kg / m. Thaum tus profile lub phab ntsa tuab yog nyob rau ntawm ib meter 'yog 1.192kg / m, qhov nyhav ib me me yog 1.309kg / m, xa mus rau daim duab 2.
Raws li ib phab ntsa tuab ntawm 1.53mm, yog tias tsuas yog muaj kev sib txawv ntawm Z-Max Zoo sib txawv thiab lub vaj tsev tuab yog (1.309 - 1.251) * 1000 = 58kg. Yog tias tag nrho cov phab ntsa thicknesses yog ntawm Z-Max txawv (uas yog tsis zoo li tsis zoo li), qhov hnyav sib txawv yuav yog 0.13 / 1.53 * 1000 = 85kg.
2.2 theoretical phaus rau kev sib txawv tsis zoo
Rau txhuas profiles, phab ntsa tuab yuav tsum tsis txhob tshaj li tus nqi tshwj xeeb, uas txhais tau tias tsis zoo rau hauv phab ntsa tuab. Qhov hnyav areoretical nyob rau hauv cov ntaub ntawv no yuav tsum suav ua ib nrab ntawm kev sib txawv. Piv txwv li, rau ib qho profile nrog 1.4mm phab ntsa tuab thiab qhov tsis zoo ntawm 016 hli (zoo rau kev ua siab ntev ntawm 026 hli (zoo li kev ua siab ntev raws li ib nrab ntawm kev ua siab ntev (-0.1mm), xa mus rau daim duab 3.
Nrog 1.4mm phab ntsa thickness, qhov hnyav rau ib lub ntsuas yog 1.292kg / m, thaum muaj phaus ib li yog 1.131kg / m. Qhov sib txawv ntawm ob yog 0.061k1kg / m. Yog tias cov khoom lag luam ntev tau suav ua ib qho tuj (838 meters), qhov hnyav sib txawv yuav 0.061 * 838 = 51kg.
2.3 Xam cov qauv rau qhov hnyav nrog cov phab ntsa sib txawv
Los ntawm cov duab kos saum toj, nws tuaj yeem pom tias cov kab lus no tau siv nominal phab ntsa thickness nce lossis txo cov phab ntsa sib txawv, ntau dua li thov lawv rau txhua ntu. Cov chaw uas tau sau nrog kab phia kab ntawm daim duab ua tuab ntawm cov phab ntsa tuab ntawm 1.4mm, uas txawv ntawm cov nominal ntsa tuab raws li GB / T8478 tus qauv. Yog li ntawd, thaum kho cov phab ntsa tuab, lub hom phiaj yog feem ntau ntawm cov nominal ntsa tuab.
Raws li qhov sib txawv ntawm cov pwm lub phab ntsa tuab thaum lub sijhawm tshem tawm, nws yog pom tias txhua lub phab ntsa thickness muaj kev sib txawv. Yog li ntawd, xav tias tsuas yog cov kev hloov pauv ntawm cov duab dav hlau tuab muab cov kev sib piv ntau dua ntawm qhov hnyav ntawm qhov hnyav thiab qhov hnyav dua. Lub phab ntsa tuab hauv cov chaw tsis-nominal hloov pauv thiab tuaj yeem suav nrog ntawm cov phab ntsa sib npaug hauv cov kev txwv.
Piv txwv li, rau lub qhov rais thiab qhov rai khoom nrog 1.4mm nomall nominal ntsa tuab, qhov hnyav rau ib lub ntsuas yog 1.192kg / m. Los xam qhov hnyav rau ib meter 'rau 1.53mm phab ntsa tuab, lub zog sib piv xam, 1.4 * 1.46, uas ua rau muaj qhov hnyav rau ib lub ntsuas ntawm 1.303kg / m. Ib yam li ntawd, rau 1.27mm phab ntsa tuab, qhov hnyav ib yog suav raws li 1.192 / 1.4 * 1.27, uas ua rau qhov hnyav ib me ntawm 1.081kg / m. Tib txoj kev tuaj yeem siv rau lwm cov phab ntsa thickness.
Raws li cov xwm txheej ntawm ib tug 1.4mm phab ntsa tuab, thaum tag nrho cov phab ntsa tuab yog hloov kho ntawm qhov hnyav thiab qhov hnyav yog kwv yees li 7% rau 9%. Piv txwv li, raws li qhia hauv daim duab hauv qab no:
3.Whatight Qhov sib txawv los ntawm kev kho txheej ceev
Aluminium profiles siv hauv kev tsim kho feem ntau tau kho nrog oxidation, electrophoresis, fluorocarbon, thiab lwm txoj kev. Qhov sib ntxiv ntawm cov kev kho txheej txheem nce qhov hnyav ntawm cov profiles.
3.1 Kev hnyav nce hauv oxidation thiab electrophoresis profiles
Tom qab kev kho sab nraud ntawm oxidation thiab electrophoresis, ib txheej ntawm cov yeeb yaj kiab oxide thiab cov yeeb yaj kiab xov tooj cua thiab ntau ntawm 10μm rau 25μm. Lub deg kev kho yeeb yaj kiab ntxiv qhov hnyav, tab sis txhuas profiles poob qee qhov hnyav thaum lub sijhawm kho ua ntej. Qhov hnyav nce tsis yog qhov tseem ceeb, yog li kev hloov pauv ntawm qhov hnyav tom qab kev khoxidation thiab electropores yog feem ntau negonomible. Yuav luag txhua tus txheej txheem tsim khoom lag luam uas tsis muaj qhov hnyav ntxiv.
3.2 Kev hnyav nce rau hauv cov khoom muag txheej txheej
Txau-coated profiles muaj ib txheej ntawm hmoov txheej rau saum npoo, nrog ib tuab ntawm tsis tsawg dua 40μm. Qhov hnyav ntawm cov hmoov txheej sib txawv nrog cov tuab tuab. Lub teb chaws txheem pom zoo ib qho tuab ntawm 60μm txog 120μm. Cov txheej txheem sib txawv ntawm cov hmoov txheej sib txawv muaj hnyav hnyav rau tib qho yeeb yaj kiab tuab. Rau cov khoom loj-tsim xws li cov thav duab lub qhov rais, thiab cov yeeb yaj kiab ntev, thiab cov ntawv ceeb toom ntev ntev tau nce hauv daim duab tshuaj pleev tshuaj ntawm cov profiles tuaj yeem pom nyob rau hauv lub rooj 1.
Raws li cov ntaub ntawv nyob rau hauv lub rooj, qhov hnyav nce tom qab cov tshuaj pleev tshuaj pleev ntawm qhov rooj thiab lub qhov rais profiles rau li 4% mus rau 5%. Rau ib tuj ntawm profiles, nws yog kwv yees li 40kg mus rau 50kg.
3.3 Qhov hnyav nce hauv cov tshuaj fluorocarbon
Qhov nruab nrab tuab ntawm cov txheej ntawm cov tshuaj fluorocarbon-coated profiles tsis pub tsawg tshaj 30μ4M rau peb lub tsho muaj, thiab 65μm rau plaub lub tsho tiv no. Feem ntau ntawm cov tshuaj fluorocarbon-coated khoom siv ob lossis peb lub tsho tiv no. Vim muaj ntau yam sib txawv ntawm fluorocarbon xim, lub ntom ntom tom qab kho tau kuj txawv dua. Siv cov tshuaj fluorocarbon ua piv txwv, kev nce phaus tuaj yeem pom hauv cov lus hauv qab no 2.
Raws li cov ntaub ntawv nyob hauv lub rooj, qhov hnyav nce tom qab cov tshuaj pleev xim ntawm lub qhov rooj thiab lub qhov rais profiles nrog rau 2.0% rau 3.0%. Rau ib tuj ntawm profiles, nws yog kwv yees li 20kg mus rau 30kg.
3.4 Thickness tswj ntawm cov kev kho mob saum npoo av hauv cov hmoov thiab fluorocarbon pleev xim cov khoom ntim khoom
Kev tswj hwm ntawm txheej txheej txheej hauv cov hmoov thiab cov tshuaj fluorocarbon yog cov txheej txheem tseem ceeb ntawm cov hmoov av, kom muaj rab phom txaws los ntawm cov khaub ncaws zoo sib xws ntawm cov xim pleev xim. Hauv kev tsim khoom tiag tiag, ntau dhau thickness ntawm txheej txheej txheej txheej yog ib qho ntawm cov laj thawj rau txheej txau ob txheej. Txawm tias txheej, cov txheej txau txheej tuaj yeem tseem muaj tuab dua. Cov neeg tsim khoom yuav tsum tau dag zog rau kev tswj hwm cov txheej txheem tshuaj tsuag thiab ua kom cov tuab ntawm cov tshuaj txau txheej.
4. Kev sib txawv ntawm cov kev ntim
Aluminium profiles feem ntau yog ntim nrog daim ntawv qhwv lossis ntsws zaj duab xis qhwv, thiab qhov nyhav ntawm cov ntaub ntawv ntim cov khoom sib txawv raws li cov qauv ntim.
4.1 Qhov hnyav nce hauv ntawv qhwv
Daim ntawv cog lus feem ntau qhia meej txog qhov hnyav txwv rau ntawv ntim, feem ntau tsis tshaj 6%. Hauv lwm lo lus, qhov hnyav ntawm daim ntawv nyob rau hauv ib tuj ntawm profiles yuav tsum tsis pub tshaj 60kg.
4.2 Nyhav nce hauv daim yeeb yaj kiab daim ntaub qhwv
Qhov hnyav nce ntxiv vim yog los txo cov duab zaj duab xis feem ntau feem ntau nyob ib ncig ntawm 4%. Qhov hnyav ntawm ntsws zaj duab xis nyob rau hauv ib tuj ntawm profiles yuav tsum tsis pub tshaj 40kg.
4.3 Cawv Ntawm Cov Ntim Khoom Ntawm Qhov hnyav
Lub hauv paus ntsiab lus ntawm kev ntim khoom siv profile yog tiv thaiv cov profiles thiab pab txhawb kev tuav. Qhov hnyav ntawm ib pob ntawm profiles yuav tsum nyob ib ncig 15kg mus rau 25kg. Tus naj npawb ntawm profiles ib pob cuam tshuam rau qhov hnyav feem pua ntawm lub ntim. Piv txwv li, thaum lub qhov rai thav duab tau ntim rau hauv cov teeb ntawm 4 daim nrog 6%, suav rau daim duab 5. Thaum ntim rau hauv cov teeb tsa 6 daim, qhov hnyav yog 37kg, thiab ntim cov ntawv hnyav 2kg, cov nyiaj txiag rau 5.4%, saib mus rau Daim Duab 6.
Los ntawm cov duab saum toj no, nws tuaj yeem pom tau hais tias ntau cov ntaub ntawv ntxiv hauv pob, qhov hnyav dua qhov hnyav feem pua ntawm cov khoom ntim. Raws li tib tus naj npawb ntawm cov profiles ib pob, siab dua qhov hnyav ntawm cov profile, qhov me me qhov hnyav feem pua ntawm cov khoom ntim. Cov neeg tsim khoom tuaj yeem tswj hwm tus naj npawb ntawm cov profiles ib pob thiab cov nyiaj ntim kom tau raws li qhov hnyav uas yuav tsum muaj nyob hauv daim ntawv cog lus.
Tag
Raws li kev txheeb xyuas saum toj no, muaj kev sib txawv ntawm qhov tseeb hnyav ntawm qhov hnyav thiab qhov hnyav. Qhov sib txawv ntawm phab ntsa thickness yog qhov laj thawj tseem ceeb rau kev hnyav. Qhov nyhav ntawm cov txheej kho saum npoo yuav tuaj yeem tswj tau yooj yim, thiab qhov hnyav ntawm cov khoom ntim yog tswj tau. Qhov hnyav sib txawv nyob rau hauv 7% ntawm qhov hnyav hnyav thiab suav qhov hnyav tau raws tus qauv tsim nyog, thiab qhov sib txawv li 5% yog cov khoom lag luam tsim khoom.
Edited los ntawm May Jiang los ntawm Mat Aluminium
Lub Sijhawm Post: Sep-30-2023
