\Daim Ntawv Uas Tsis Muaj Nyhness - Ib qho teeb meem tshwm sim hauv PE Sheet Ntau Lawm
PE (Polyethylene) cov ntawv txheeb, raws li cov khoom tseem ceeb ntawm cov khoom siv yas, tau qhia ntau yam kev siv hauv ntau qhov kev lag luam xws li ntim, kev tsim kho thiab kev ua liaj ua teb. PE cov ntawv txheeb tau zoo siab tos txais nyob rau hauv kev ua lag luam vim tias lawv lub teeb pom kev zoo, ua kom ruaj khov, kev ua haujlwm ib puag ncig thiab ib puag ncig. Txawm li cas los xij, nyob rau hauv cov txheej txheem ntawm kev tsim cov ntawv pe ntawm PE, tsis muaj kev cuam tshuam rau cov khoom lag luam thiab tsis muaj peev xwm txo cov khoom lag luam thiab txawm tias tsis ua raws li cov neeg siv khoom. Yog li ntawd, hauv kev txheeb xyuas qhov teeb meem ntawm cov ntawv tsis sib xws yog qhov tseem ceeb rau kev txhim kho cov khoom lag luam zoo thiab kev sib tw ua lag luam ntawm PE cov ntawv txheeb.
Dab tsi yog qhov tseem ceeb ua rau daim ntawv tsis sib xws hauv PE SHEED ntau lawm?
Cov laj thawj rau cov ntawv tsis sib xws yog sib txawv, uas tuaj yeem piav qhia kom meej hauv plaub qhov ntev: cov txheej txheem raw, cov txheej txheem ib puag ncig.
- Cov Khoom Siv Raw: Yog hais tias qhov me me faib cov khoom siv tsis ncaj, qhov no yuav ua rau cov txheej txheem tsis sib xws, uas yuav cuam tshuam ntxiv rau cov ntawv tuab. Nyob rau hauv tib cov txheej txheem tsis hais, qhov loj dua qhov loj me me, cov tuab ntaub ntawv tau txais tom qab molding. Tsis tas li ntawd, impurities thiab noo noo nyob rau hauv cov ntaub ntawv raw yuav cuam tshuam nrog lub xeev melting, ua rau tsis sib luag ntawm daim ntawv. Tsis tas li ntawd, thaum lub sij hawm melting txheej txheem, kev sib txhuam sib txhuam thiab sib tsoo tau tshwm sim ntawm cov yaj thiab cov pwm uas yuav nce qib kev puas tsuaj rau saum npoo ntawm daim ntawv. Lub suab me me thiab ntom ntawm cov khoom siv raw ua lub luag haujlwm tseem ceeb hauv cov txheej txheem extrusion ntawm daim ntawv. Siab dhau los yog qis dhau rau qhov ntsuas melt tseem yuav ua rau daim ntawv tsis khov.
- Txheej txheem tsis pom zoo: Cov kev sib tw tuab ntawm daim ntawv yuav cuam tshuam ncaj qha los ntawm kev hloov pauv ntawm Extrusion ceev. Thaum lub sij hawm cov txheej txheem extrusion, raws li cov kev coj ntws ntawm cov yaj nyob rau hauv kev hloov pauv, nws cov nyhuv ntawm lub xeev txav ntawm cov khoom yuav hloov kom haum. Yog tias qhov nrawm nrawm thiab siab ntawm lub hau ntswj tsis tau teeb tsa zoo, cov tuab tuab ntawm daim ntawv yuav tsis xwm yeem. Kev tsis raug xaiv ntawm txoj kev txias yuav ua rau kub siab thiab tawg. Ib qho ntxiv, yog tias muaj kev sib txawv hauv kev tswj qhov kub thiab txias, xws li cov kev hloov pauv tsis zoo ntawm cov khoom siv tsis zoo thiab nws yuav muaj kev sib txawv ntawm cov ntawv.
- Cov Khoom Siv Khoom Siv: Cov Qib Ntawm Kev Coj Tus Extruder thiab Cov Pwm yuav cuam tshuam rau qhov ruaj khov ntawm cov txheej txheem extrusion, ua rau tsis sib xws ntawm daim ntawv. Yog li ntawd, pwm thiab extruder yuav tsum tau xaiv tsim nyog thaum lub sijhawm ua haujlwm. Kev tsim qauv tsis xws luag ntawm cov pwm, xws li tsim qauv hluav taws xob ntawm lub rooj vag, yog qhov tseem ceeb ntawm lub rooj vag thickness. Thaum lub sij hawm cov txheej txheem extrusion, vim muaj cov khoom siv ntws sib txawv ntawm cov ntaub ntawv, cov ntaub ntawv tshem tawm tsam kev sib tsoo sib tsoo, thiab thaum kawg tsim wrinkles nyob rau saum npoo ntawm daim ntawv. Ib qho ntxiv, kev ua haujlwm ua haujlwm ntawm lub kaw lus txias yuav tseem cuam tshuam rau kev sib txawv ntawm cov ntawv tuab.
Thaum lub sijhawm cov txheej txheem tsim khoom xws li cov kev hloov pauv hauv cov txheej txheem ntsuas kub thiab cov kev cuam tshuam rau lwm cov txheej txheem ntawm daim ntawv, uas yuav ua ntxiv rau cov ntawv tsis sib xws.
Yuav ua li cas cov khoom siv raw ua rau cov tuab tuab ntawm cov ntawv teev npe?
Lub thickness uniformity ntawm pe cov ntawv pe hawm yog cuam tshuam ntau ntau los ntawm cov yam ntxwv ntawm cov khoom siv raw. Cov kev coj cwj pwm ntawm polyethylene thiab polypropylene ntawm ntau hom thiab cov ntsiab lus thaum lub sij hawm melt hloov extrusion thiab ntsuas kub hloov ntawm cov yaj ntawm cov yaj tau kawm ntawm kev sim. Thaum cov particle loj muab faib cov khoom siv tau muaj ntau dua, nws cov lus melt flucanced, ua kom tuab ntawm daim ntawv ntau yam zoo dua li qub. Impurities nyob rau hauv cov ntaub ntawv raw yuav cuam tshuam nrog cov txheej txheem melting, uas ua rau tsis sib xws faib ntawm daim ntawv. Qhov tseeb melting degree ntawm cov ntaub ntawv raw yog ze ze rau qhov ntsuas tus nqi extrusion ntawm daim ntawv. Siab dhau los yog tsawg dhau melting degree yuav ua rau cov ntawv tsis khov. Qhov ntau dua cov khoom siv viscosity, me me me me yaj cov khoom siv sib haum, tab sis nws tsis muaj qhov cuam tshuam tseem ceeb ntawm cov ntawv tsim. Ib qho ntxiv, qhov ntom ntawm cov ntaub ntawv raw yog ze rau cov thickness ntawm cov khoom sib dhos ntawm daim ntawv. Cov ntaub ntawv nyoos nrog qhov sib txawv loj muaj kev sib txawv thaum lub sijhawm ua haujlwm tsis zoo, uas ntxiv tau muaj kev phom sij ntawm daim ntawv tuab ntawm daim ntawv.
Yuav ua li cas kho cov txheej txheem rho tawm tsis zoo los txhim kho cov txheej txheem tuab ntawm PE Cov Ntawv?
Txhawm rau kom ua kom lub zog ua kom zoo ntawm PE cov ntawv txheeb, peb tuaj yeem ua kom zoo dua los ntawm kev kho kom zoo nrawm, nrawm, thiab kev tswj hwm thiab kub thiab kub.
- Hais txog kev hloov kho ntawm extrusion ceev: raws li cov yam ntxwv ntawm cov ntaub ntawv raw kom ntseeg tau tias cov khoom siv tau ua tiav cov kab ke uas muaj thoob plaws lub txheej txheem Extrusion. Txoj kev ntawm kev tswj tau melt flow tus nqi faib tawm los ntawm kev hloov tus extruder ntsia hlau ceev yog qhov txhais tau tias zoo. Tsis tas li ntawd, txhawm rau ua kom cov kev ua kom tuab ntawm daim ntawv, xws li siv lub tswv yim nrawm hloov pauv lossis cov lus taw qhia kev tswj hwm kom hloov kho nrawm.
- Txhawm rau kom ua kom zoo rau cov ntsia hlau ceev thiab siab, peb yuav tsum tau kho cov ntsia hlau ceev thiab siab kom ntseeg tau tias cov khoom siv tuaj yeem yog melted kiag li thiab ntws mus los ntawm lub sij hawm excusion txheej txheem. Nyob rau tib lub sijhawm, nws yog qhov tsim nyog los xaiv cov ntsia hlau tsim nyog nrawm thiab siab saib raws li cov khoom sib txawv. Los ntawm kho cov ntsia hlau ceev thiab siab configuration, peb tuaj yeem txo cov tsis muaj tuab ntawm daim ntawv.
- Kev ua kom zoo ntawm kev tswj hwm kub: los ntawm kev tsim kho qhov kub ntawm txhua feem ntawm Extruder, xyuas kom meej tias cov khoom siv tuaj yeem tswj hwm lub xeev ruaj khov thaum lub sijhawm ua haujlwm. Tswj cov neeg npau taws txaus los ntawm kev hloov kho lub siab thiab txaus ntawm txhua feem. Tsis tas li ntawd, txhawm rau ua kom cov kev ua kom tuab ntawm daim ntawv, peb tuaj yeem tuav cov txheej txheem kub hloov pauv lossis siv cov ntsiab lus kub ntxiv.
Dab tsi yog lub luag haujlwm ntawm cov pwm tsim hauv kev daws qhov teeb meem ntawm kev tsis sib xws ntawm PE cov txheeb xyuas?
Hauv kev daws cov teeb meem ntawm kev tsis sib xws ntawm PE cov txheeb xyuas, pwm tsim ua lub luag haujlwm tseem ceeb. Los ntawm cov pwm tsim nyog uas tsim nyog tsim, nws tuaj yeem ua kom muaj txiaj ntsig tias cov khoom tuaj yeem ntws tawm ntawm cov txheej txheem Extrusion ntawm cov ntawv tsis sib xws ntawm daim ntawv. Cov ntsiab lus tseem ceeb cuam tshuam rau kev sib txawv ntawm daim ntawv tuab yog txheeb xyuas. Los ntawm kho txoj haujlwm thiab cov naj npawb ntawm cov rooj vag, peb tuaj yeem txo cov teeb meem ntawm daim ntawv tsis ncaj. Rau ntau hom ntawm cov ntawv txheeb, cov txheej txheem tsis sib xws yuav txawv heev. Nyob rau hauv cov txheej txheem ntawm pwm tsim, kho qhov sib txawv ntawm cov di ncauj tuag kom ntseeg tau tias qhov kev sib tw ntawm daim ntawv tuab yog ib kauj ruam tseem ceeb. Kev sim sib piv tau ua cov neeg sib tw ntawm cov qauv sib txawv los kawm cov ntawv sau ua kom zoo thiab cov cawv ntawm cov thawv sib txawv ntawm cov khoom siv. Ib qho ntxiv, cov kev xaiv ntawm cov khoom pwm uas haum pwm ua lub luag haujlwm tseem ceeb hauv cov ntawv sau ua zoo. Xaiv cov ntaub ntawv pwm nrog ob qho siab hnav tsis kam thiab corrosion tsis kam thiab siab zog zog yuav pab tau ntev lub neej ntawm cov ntawv sau ua ke.
Yuav ua li cas zoo kuaj thiab ntsuas qhov tuab ntawm kev sib txawv ntawm PE Cov Ntawv?
Txhawm rau kom pom tseeb thiab ntsuas qhov tuab ntawm kev sib txawv ntawm PE cov ntawv, nws yog qhov tsim nyog los siv cov txheej txheem kev kawm thiab cov hau kev.
- Cov lus qhia luv luv ntawm cov qauv kuaj pom ntawm cov ntawv tuab: Koj tuaj yeem xaiv cov kev ntsuas ntsuas kev sib tiv tauj los ntsuas cov ntawv tuab. Ntawm lawv, cov kev sib tiv tauj ntsuas feem ntau yog suav nrog kev ntsuas tus qauv thiab ntsuas qhov ntsuas kev ntsuas. Kev sib cuag ntsuas ntsuas kev ntsuas cov Micrometers thiab Vernier Calipers, tab sis ntsuas ntsuas yog qeeb thiab yuav ua rau kev puas tsuaj rau saum npoo ntawm lub phaj. Cov kev sib tw uas tsis tiv thaiv kev ntsuas feem ntau suav nrog kev cuam tshuam laser, photoinumrictric sensor paub, ultrasonic xav txog kev siv hluav taws xob thiab kev pom zoo. Kev ntsuas tsis tiv thaiv kev ntsuas, xws li kev ntsuas kev ntsuas thiab ultrasonic tuab xws li ntsuas nrawm dua, ntau yam kev puas tsuaj thiab tsis muaj kev puas tsuaj rau saum npoo ntawm lub phaj.
- Siv ntsuas kev ntsuas txiav txiav kom pom cov tuab ntawm lub phaj: nrog kev ntsuas nrawm nrawm rau cov txheej txheem ntawm phaj tuab nrhiav kom tau. Laser thickness gauge yog ib qho kev ntsuas uas nquag siv tam sim no. Nws cov ntsiab cai yooj yim yog los ua lub teeb lub teeb mus rau ntawm qhov ntsuas kom yog ntsuas kom tsim tau qhov chaw ntawm qhov chaw ntsuas kom raug ntsuas raws li kev hloov pauv ntawm lub teeb siv. Tus txheej txheem ua hauj lwm ntawm laser rarefinder yog los ua emit lub nqaj laser thiab ntsuas lub teeb ci ntsa iab kom kwv yees cov tuab ntawm lub phaj. Hom qauv no yog qhov tseeb thiab yoo mov. Ultrasonic tuab ntawm cov khoom siv uas siv cov khoom siv nrawm nrawm thiab cov yam ntxwv ntawm ultrasonic tsis nyob rau hauv lub phaj los ntsuas cov tuab ntawm lub phaj tuab. Nws muaj qhov zoo ntawm qhov ntsuas dav dav thiab tsis muaj kev puas tsuaj rau saum npoo ntawm lub phaj.
- Hauv kev ntsuas cov phaj tuab, cov qauv tshuaj ntsuam xyuas cov ntaub ntawv tseem ceeb: los ntawm kev ua kom ntsuas cov ntaub ntawv tuab: los ntawm kev ua kom ntsuas qhov tseeb ntawm cov phaj tuab ntawm lub phaj. Cov kev tsom xam cov kev txheeb xyuas suav nrog cov lej sib txheeb thiab cov txheeb cais. Cov ntaub ntawv ntsuas cov ntaub ntawv npog cov kev xam ntawm cov cim txheeb cais xws li txhais tau tias, kev pom tseeb, thiab cov ntaub ntawv pom kev. Siv cov qauv kev tshuaj ntsuam no, qee cov ntaub ntawv muaj txiaj ntsig thiab cov lus xaus kuj tseem tuaj yeem tau txais. Siv cov txheej txheem ua lag luam no, peb tuaj yeem ncaj qha rau cov tuab faib tawm ntawm lub phaj, thiab tom qab ntawd txheeb xyuas qhov tsis sib xws ntawm lub phaj tuab thiab coj kev ntsuas zoo.
Txhawm rau kom paub ntau dua thiab ua kom cov kev ua kom tuab ntawm cov phaj tuab ntawm lub phaj, peb yuav tsum tsim kev tshuaj xyuas cov qauv sib xws thiab cov tswv yim ua kom zoo. Kev faib tsis ncaj ntawm phaj tuab yog ib qho ntawm cov phaj loj ntawm cov phaj tsis sib xws. Cov txheej txheem ntsuas ntsuas yuav npog cov kev sib txawv ntawm cov phaj tuab thiab cov txheej txheem ntsuas ntawm cov txheej txheem tuab. Cov qauv ntsuas kev ntsuas yuav tsum tau coj mus rau hauv cov yam ntxwv ntau yam uas yuav muaj nyob hauv kev tsim khoom tiag tiag. Txhawm rau daws cov teeb meem ntawm cov phaj tsis sib xws, peb tuaj yeem txiav txim siab siv cov kev ntsuas ntawm kev txhim kho kev txhim kho kev txhim kho, thiab teem sijhawm rau lub sijhawm thiab phiaj xwm txuas ntxiv. Kev coj ib lub cev npog tsheb npog ib qho ua piv txwv, daim ntawv no qhia cov yam ntxwv tsis sib xws thiab cov qauv kev txhim kho tsis ncaj. Los ntawm cov kev tshuaj xyuas cov txheej txheem thiab cov tswv yim txhim kho, peb tuaj yeem saib xyuas thiab ua kom zoo ua kom cov txheej txheem thickness ntawm daim ntawv.
Tag
Hauv cov ntsiab lus, qhov tsis sib xws ntawm cov ntawv tuab hauv PE Sheet kev tsim yog qhov teeb meem uas nquag muaj, thiab nws ua rau muaj ntau haiv neeg. Yog li ntawd, nws yog qhov tsim nyog los ua kev tsom xam cov kev ntsuas thiab kev daws teeb meem xws li cov khoom siv raw, cov txheej txheem tsim nyog, thiab kuaj thiab ntsuas. Nyob rau hauv cov txheej txheem ntau lawm, coj kev countermas yuav tsum tau coj raws li cov xwm txheej sib txawv. Los ntawm kev siv cov tswv yim scientific thiab tsim nyog thiab txhais tau tias, peb tuaj yeem txhim kho qhov tuab li ntawm PE cov khoom lag luam thiab lawv txoj haujlwm sib tw hauv khw. Nyob rau tib lub sijhawm, nws kuj ua lub luag haujlwm zoo hauv kev txhim kho cov khoom lag luam zoo thiab ruaj khov, uas yog qhov ua kom muaj kev noj qab haus huv thiab kev ua haujlwm ruaj khov ntawm cov lag luam. Saib mus rau yav tom ntej, nrog kev txhim kho kev tshawb fawb txuas ntxiv thiab kev txhim kho cov txheej txheem tsis sib xws, yog li kev ua kom muaj zog ntxiv rau cov ntawv thov dav dav thiab kev txhim kho ntawm PE.
