Txoj kev daws teeb meem rau aluminium profiles siv hauv kev tsim kho feem ntau suav nrog kev sib hais haum thiab kev daws teeb meem theoretical. Kev txiav txim siab txog qhov hnyav ntawm cov khoom siv aluminium profile, suav nrog cov khoom ntim, thiab suav cov nyiaj them raws li qhov hnyav ntawm qhov sib npaug ntawm tus nqi ib tuj. Qhov kev sib haum xeeb theoretical yog xam los ntawm kev muab cov theoretical qhov hnyav ntawm cov profiles los ntawm tus nqi ib tuj.
Thaum lub sij hawm ntsuas qhov ntsuas, muaj qhov sib txawv ntawm qhov hnyav qhov hnyav thiab qhov hnyav xam qhov ntsuas. Muaj ntau yam laj thawj rau qhov sib txawv no. Kab lus no feem ntau txheeb xyuas qhov sib txawv ntawm qhov hnyav los ntawm peb yam: qhov sib txawv ntawm cov khoom siv hauv paus thickness ntawm aluminium profiles, qhov sib txawv ntawm cov txheej txheej kho deg, thiab qhov txawv ntawm cov khoom ntim. Kab lus no tham txog yuav ua li cas tswj cov xwm txheej no kom txo qis kev sib txawv.
1.Weight sib txawv los ntawm variations nyob rau hauv lub hauv paus khoom thickness
Muaj qhov sib txawv ntawm qhov tseeb thickness thiab theoretical thickness ntawm cov profiles, uas ua rau qhov sib txawv ntawm qhov hnyav hnyav thiab qhov hnyav theoretical.
1.1 Qhov hnyav xam raws li thickness variance
Raws li Suav tus qauv GB / T5237.1, rau cov profiles nrog lub voj voog sab nraud tsis tshaj 100mm thiab nominal thickness tsawg dua 3.0mm, qhov siab-precision sib txawv yog ± 0.13mm. Noj 1.4mm-thick window ncej profile ua piv txwv, qhov theoretical nyhav ib 'meter' yog 1.038kg / m. Nrog rau qhov zoo sib txawv ntawm 0.13mm, qhov hnyav ib meter yog 1.093kg / m, qhov sib txawv ntawm 0.055kg / m. Nrog rau qhov tsis zoo sib txawv ntawm 0.13mm, qhov hnyav ib meter yog 0.982kg / m, qhov sib 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 qhov tuab ntawm qhov sib txawv ntawm 1.4 hli nominal thickness seem. Yog hais tias tag nrho cov thickness variances raug coj mus rau hauv tus account, qhov sib txawv ntawm qhov hnyav hnyav thiab qhov theoretical qhov hnyav yuav yog 0.13 / 1.4 * 1000 = 93kg. Lub hav zoov ntawm variances nyob rau hauv lub hauv paus cov ntaub ntawv thickness ntawm txhuas profiles txiav txim qhov txawv ntawm qhov hnyav hnyav thiab lub theoretical qhov hnyav. Qhov ze dua qhov tseeb thickness yog rau qhov theoretical thickness, qhov ze ntawm qhov hnyav hnyav yog rau qhov hnyav theoretical. Thaum lub sij hawm tsim cov aluminium profiles, lub thickness maj mam nce. Hauv lwm lo lus, qhov hnyav hnyav ntawm cov khoom tsim los ntawm tib txheej pwm pib sib dua li qhov hnyav ntawm qhov theoretical, tom qab ntawd ua tib yam, thiab tom qab ntawd hnyav dua li qhov ntsuas qhov ntsuas.
1.2 Cov txheej txheem tswj kev sib txawv
Qhov zoo ntawm aluminium profile pwm yog qhov tseem ceeb hauv kev tswj qhov hnyav ib meter ntawm cov profiles. Ua ntej, nws yog ib qho tsim nyog yuav tsum nruj me ntsis tswj txoj siv sia ua haujlwm thiab ua qhov ntev ntawm cov pwm kom paub meej tias cov khoom thickness ua tau raws li qhov yuav tsum tau ua, nrog rau kev tswj xyuas qhov tseeb hauv qhov ntau ntawm 0.05mm. Qhov thib ob, cov txheej txheem tsim khoom yuav tsum tau tswj hwm los ntawm kev tswj xyuas qhov ceev ntawm extrusion kom zoo thiab ua kev saib xyuas tom qab qee qhov pwm dhau, raws li tau teev tseg. Tsis tas li ntawd, cov pwm tuaj yeem tau txais kev kho nitriding los ua kom cov tawv tawv ntawm txoj siv sia ua haujlwm thiab ua kom cov tuab tuab.
2.Theoretical Nyhav rau txawv phab ntsa Thickness yuav tsum tau
Cov phab ntsa thickness ntawm txhuas profiles muaj tolerances, thiab cov neeg siv khoom sib txawv muaj cov kev cai sib txawv rau cov khoom phab ntsa thickness. Raws li cov phab ntsa thickness kam rau ua, qhov theoretical hnyav sib txawv. Feem ntau, nws tsuas yog yuav tsum muaj qhov zoo sib txawv lossis tsuas yog qhov tsis zoo sib txawv.
2.1 Theoretical Nyhav rau qhov zoo sib txawv
Rau txhuas profiles nrog ib tug zoo sib txawv nyob rau hauv phab ntsa thickness, lub hauv paus cov ntaub ntawv qhov tseem ceeb load-bearing cheeb tsam yuav tsum tau ntsuas phab ntsa thickness tsis tsawg tshaj li 1.4 hli los yog 2.0 hli. Txoj kev suav rau qhov theoretical qhov hnyav nrog qhov ua siab ntev yog kos ib daim duab sib txawv nrog cov phab ntsa thickness nruab nrab thiab xam qhov hnyav ib meter. Piv txwv li, rau ib qho profile nrog 1.4mm phab ntsa thickness thiab ib tug zoo kam rau ua ntawm 0.26mm (tsis zoo kam rau ua ntawm 0mm), phab ntsa thickness ntawm qhov nruab nrab deviation yog 1.53mm. Qhov hnyav ib 'meter' rau qhov profile no yog 1.251kg / m. Qhov ntsuas theoretical rau qhov hnyav yuav tsum suav nrog 1.251kg / m. Thaum qhov profile phab ntsa thickness yog -0mm, qhov hnyav ib 'meter' yog 1.192kg / m, thiab thaum nws yog ntawm +0.26mm, qhov hnyav ib 'meter' yog 1.309kg / m, xa mus rau daim duab 2.
Raws li phab ntsa thickness ntawm 1.53 hli, yog tias tsuas yog 1.4 hli seem yog nce mus rau qhov siab tshaj plaws sib txawv (Z-max sib txawv), qhov hnyav sib txawv ntawm Z-max zoo sib txawv thiab qhov nruab nrab phab ntsa thickness yog (1.309 - 1.251) * 1000 = 58kg. Yog tias tag nrho cov phab ntsa thicknesses ntawm Z-max sib txawv (uas yog qhov tsis zoo heev), qhov sib txawv ntawm qhov hnyav yuav yog 0.13 / 1.53 * 1000 = 85kg.
2.2 Theoretical Nyhav rau qhov tsis zoo sib txawv
Rau txhuas profiles, phab ntsa thickness yuav tsum tsis txhob tshaj tus nqi teev, uas txhais tau hais tias ib tug tsis zoo kam rau ua nyob rau hauv phab ntsa thickness. Qhov hnyav theoretical nyob rau hauv cov ntaub ntawv no yuav tsum tau xam raws li ib nrab ntawm qhov tsis zoo sib txawv. Piv txwv li, rau ib qho profile nrog 1.4mm phab ntsa thickness thiab tsis zoo kam rau ua 0.26mm (zoo kam rau ua ntawm 0mm), qhov theoretical nyhav yog xam raws li ib nrab ntawm qhov kam rau ua (-0.13mm), xa mus rau daim duab 3.
Nrog 1.4 hli phab ntsa tuab, qhov hnyav ib 'meter' yog 1.192kg / m, thaum nrog 1.27mm phab ntsa thickness, qhov hnyav ib 'meter' yog 1.131kg / m. Qhov sib txawv ntawm ob yog 0.061kg / m. Yog hais tias cov khoom ntev yog xam raws li ib tuj (838 meters), qhov sib txawv qhov hnyav yuav yog 0.061 * 838 = 51kg.
2.3 Txoj kev suav rau qhov hnyav nrog cov phab ntsa sib txawv
Los ntawm cov duab kos saum toj no, nws tuaj yeem pom tau tias tsab xov xwm no siv nominal phab ntsa thickness increments los yog txo thaum xam txawv phab ntsa thicknesses, es tsis siv rau tag nrho cov seem. Cov cheeb tsam uas muaj kab pheeb ces kaum nyob rau hauv daim duab sawv cev ntawm nominal phab ntsa thickness ntawm 1.4 hli, thaum lwm qhov chaw sib haum mus rau phab ntsa thickness ntawm haumxeeb slots thiab fins, uas txawv los ntawm nominal phab ntsa thickness raws li GB / T8478 qauv. Yog li ntawd, thaum kho cov phab ntsa thickness, qhov tseem ceeb yog nyob rau hauv lub nominal phab ntsa thickness.
Raws li qhov kev hloov pauv ntawm cov pwm phab ntsa thickness thaum lub sij hawm tshem tawm cov khoom, nws tau pom tias tag nrho cov phab ntsa tuab ntawm cov pwm tsim tshiab muaj qhov tsis zoo sib txawv. Yog li ntawd, txiav txim siab tsuas yog cov kev hloov pauv ntawm nominal phab ntsa thickness muab kev sib piv ntau ntawm kev sib piv ntawm qhov hnyav thiab qhov hnyav theoretical. Phab ntsa thickness nyob rau hauv cov cheeb tsam uas tsis yog nominal hloov thiab yuav xam raws li proportional phab ntsa thickness nyob rau hauv qhov txwv deviation ntau yam.
Piv txwv li, rau lub qhov rais thiab qhov rooj cov khoom nrog 1.4 hli nominal phab ntsa thickness, qhov hnyav ib meter yog 1.192kg / m. Txhawm rau xam qhov hnyav ib 'meter' rau 1.53 hli phab ntsa thickness, txoj kev xam proportional yog siv: 1.192/1.4 * 1.53, ua rau ib tug hnyav ib meter ntawm 1.303kg / m. Ib yam li ntawd, rau 1.27 hli phab ntsa thickness, qhov hnyav ib meter yog xam raws li 1.192/1.4 * 1.27, uas ua rau ib tug hnyav ib 'meter' ntawm 1.081kg / m. Tib txoj kev tuaj yeem siv rau lwm cov phab ntsa thicknesses.
Raws li qhov scenario ntawm 1.4 hli phab ntsa tuab, thaum tag nrho cov phab ntsa thickness yog kho, qhov sib txawv ntawm qhov hnyav ntawm qhov hnyav thiab qhov hnyav theoretical yog kwv yees li 7% mus rau 9%. Piv txwv li, raws li qhia hauv daim duab hauv qab no:
3.Qhov sib txawv qhov hnyav tshwm sim los ntawm kev kho deg txheej txheej thickness
Aluminium profiles siv hauv kev tsim kho feem ntau yog kho nrog oxidation, electrophoresis, tshuaj tsuag txheej, fluorocarbon, thiab lwm yam. Qhov sib ntxiv ntawm cov txheej txheem kho mob nce qhov hnyav ntawm cov profiles.
3.1 Qhov hnyav nce hauv Oxidation thiab Electrophoresis Profiles
Tom qab kev kho deg ntawm oxidation thiab electrophoresis, ib txheej ntawm oxide zaj duab xis thiab cov zaj duab xis sib xyaw (oxide zaj duab xis thiab electrophoretic xim zaj duab xis) yog tsim, nrog ib tug tuab ntawm 10μm mus rau 25μm. Cov yeeb yaj kiab kho mob ntxiv qhov hnyav, tab sis cov txhuas profile poob qee qhov hnyav thaum lub sijhawm kho ua ntej. Qhov hnyav nce tsis tseem ceeb, yog li qhov kev hloov pauv hauv qhov hnyav tom qab oxidation thiab kev kho electrophoresis feem ntau tsis tsim nyog. Feem ntau cov tuam txhab lag luam txhuas ua cov txheej txheem yam tsis ntxiv qhov hnyav.
3.2 Qhov hnyav nce hauv cov tshuaj tsuag txheej profile
Txau-coated profiles muaj txheej txheej hmoov txheej ntawm qhov chaw, nrog lub thickness tsis tsawg tshaj li 40μm. Qhov hnyav ntawm cov hmoov txheej txawv nrog lub thickness. Lub teb chaws tus qauv pom zoo kom lub thickness ntawm 60μm mus rau 120μm. Ntau hom hmoov txheej muaj qhov hnyav sib txawv rau tib cov yeeb yaj kiab tuab. Rau cov khoom lag luam loj xws li lub qhov rais thav duab, qhov rais mullions, thiab qhov rais sashes, ib zaj duab xis tuab yog txau rau ntawm qhov periphery, thiab cov ntaub ntawv ntev peripheral tuaj yeem pom hauv daim duab 4. Qhov hnyav nce tom qab txau txheej ntawm cov profiles tuaj yeem ua tau. pom hauv Table 1.
Raws li cov ntaub ntawv nyob rau hauv lub rooj, qhov hnyav nce tom qab tshuaj tsuag txheej ntawm lub qhov rooj thiab qhov rais profiles nyiaj li ntawm 4% mus rau 5%. Rau ib tuj ntawm profiles, nws yog kwv yees li 40kg txog 50kg.
3.3 Qhov hnyav nce hauv Fluorocarbon Xim Txau Txheej Profiles
Qhov nruab nrab tuab ntawm txheej txheej ntawm fluorocarbon pleev xim-coated profiles tsis tsawg dua 30μm rau ob lub tsho, 40μm rau peb lub tsho, thiab 65μm rau plaub lub tsho loj. Feem ntau ntawm cov tshuaj fluorocarbon xim tshuaj tsuag-coated cov khoom siv ob lossis peb lub tsho loj. Vim muaj ntau hom xim fluorocarbon, qhov ceev tom qab kho kuj txawv. Noj cov xim fluorocarbon zoo tib yam ua piv txwv, qhov hnyav nce tuaj yeem pom hauv cov lus hauv qab no 2.
Raws li cov ntaub ntawv nyob rau hauv lub rooj, qhov hnyav nce tom qab tshuaj tsuag txheej ntawm lub qhov rooj thiab qhov rais profiles nrog fluorocarbon xim nyiaj li ntawm 2.0% mus rau 3.0%. Rau ib tuj ntawm profiles, nws yog kwv yees li 20kg txog 30kg.
3.4 Thickness Control ntawm Surface Treatment Txheej nyob rau hauv hmoov thiab Fluorocarbon xim tshuaj tsuag txheej khoom
Kev tswj cov txheej txheej hauv cov hmoov thiab fluorocarbon xim tshuaj tsuag-coated cov khoom yog cov txheej txheem tseem ceeb hauv kev tsim khoom, feem ntau tswj kev ruaj ntseg thiab sib xws ntawm cov hmoov lossis cov xim pleev xim los ntawm rab phom tsuag, kom ntseeg tau tias cov tuab tuab ntawm cov xim zaj duab xis. Hauv kev tsim khoom tiag tiag, ntau lub thickness ntawm txheej txheej yog ib qho ntawm cov laj thawj rau cov txheej txheej thib ob. Txawm hais tias qhov saum npoo yog polished, cov tshuaj tsuag txheej txheej tseem tuaj yeem ua kom tuab heev. Cov neeg tsim khoom yuav tsum ntxiv dag zog rau kev tswj cov txheej txheem tshuaj tsuag thiab xyuas kom meej lub thickness ntawm cov tshuaj tsuag txheej.
4.Qhov txawv qhov hnyav tshwm sim los ntawm kev ntim khoom
Aluminium profiles feem ntau yog ntim nrog cov ntawv qhwv lossis shrink film wrapping, thiab qhov hnyav ntawm cov ntaub ntawv ntim nws txawv nyob ntawm txoj kev ntim khoom.
4.1 Qhov hnyav nce hauv daim ntawv qhwv
Daim ntawv cog lus feem ntau qhia qhov hnyav txwv rau cov ntawv ntim, feem ntau tsis pub tshaj 6%. Hauv lwm lo lus, qhov hnyav ntawm daim ntawv hauv ib tuj ntawm profiles yuav tsum tsis pub tshaj 60kg.
4.2 Qhov hnyav nce hauv Shrink Film Wrapping
Qhov hnyav nce vim qhov ntim zaj duab xis yog feem ntau nyob ib ncig ntawm 4%. Qhov hnyav ntawm shrink zaj duab xis nyob rau hauv ib tuj ntawm profiles yuav tsum tsis txhob ntau tshaj 40kg.
4.3 Kev cuam tshuam ntawm kev ntim khoom ntawm qhov hnyav
Lub hauv paus ntsiab lus ntawm kev ntim profile yog los tiv thaiv cov profiles thiab ua kom yooj yim tuav. Qhov hnyav ntawm ib pob ntawm profiles yuav tsum nyob ib ncig ntawm 15kg txog 25kg. Tus naj npawb ntawm cov profiles ib pob cuam tshuam rau qhov hnyav feem pua ntawm cov ntim. Piv txwv li, thaum lub qhov rais thav duab profiles tau ntim rau hauv cov khoom ntawm 4 daim nrog qhov ntev ntawm 6 meters, qhov hnyav yog 25kg, thiab cov ntawv ntim khoom hnyav 1.5kg, suav txog 6%, xa mus rau daim duab 5. Thaum ntim hauv cov khoom ntim. 6 daim, qhov hnyav yog 37kg, thiab cov ntawv ntim khoom hnyav 2kg, suav txog 5.4%, xa mus rau daim duab 6.
Los ntawm cov duab saum toj no, nws tuaj yeem pom tau tias ntau qhov profile hauv ib pob, qhov tsawg dua qhov hnyav ntawm cov khoom ntim. Nyob rau hauv tib tus naj npawb ntawm cov profiles ib pob, qhov hnyav dua ntawm cov profiles, qhov tsawg dua qhov hnyav ntawm cov khoom ntim. Cov neeg tsim khoom tuaj yeem tswj hwm tus naj npawb ntawm cov profiles ib pob thiab cov khoom ntim khoom kom tau raws li qhov hnyav uas tau teev tseg hauv daim ntawv cog lus.
Xaus
Raws li kev txheeb xyuas saum toj no, muaj qhov sib txawv ntawm qhov hnyav ntawm qhov profile thiab qhov hnyav theoretical. Qhov sib txawv ntawm phab ntsa thickness yog qhov laj thawj tseem ceeb rau qhov sib txawv ntawm qhov hnyav. Qhov hnyav ntawm txheej txheej txheej txheej tuaj yeem tswj tau yooj yim, thiab qhov hnyav ntawm cov khoom ntim yog tswj tau. Qhov sib txawv ntawm qhov hnyav li ntawm 7% ntawm qhov hnyav thiab qhov ntsuas qhov hnyav ua tau raws li tus qauv yuav tsum tau ua, thiab qhov sib txawv hauv 5% yog lub hom phiaj tsim khoom.
Kho los ntawm May Jiang los ntawm MAT Aluminium
Post lub sij hawm: Sep-30-2023
