Phau ntawv qhia txog kev kho cov yeeb yaj kiab tsis sib xws ntawm Blown Film Machine
Hauv kev tsim cov yas zaj duab xis, tshuab tshuab tshuab ua lub luag haujlwm tseem ceeb. Lawv ua cov yas granules los ntawm cua sov, melting, extrusion, tshuab moulding, thiab lwm yam., thiab tsim ntau yam specifications thiab daim ntawv thov ntawm nyias zaj duab xis cov khoom, lug siv nyob rau hauv ntim, ua liaj ua teb, architecture thiab ntau lwm yam teb. Lub uniformity ntawm zaj duab xis thickness yog ib qho tseem ceeb indexes los ntsuas zaj duab xis zoo. Cov yeeb yaj kiab tuab tsis yog tsuas yog muaj lub cev zoo thiab cov tsos zoo, tab sis kuj ua kom muaj kev ruaj ntseg thiab kev ntseeg tau ntawm kev ua haujlwm tom ntej thiab siv. Ntawm qhov tod tes, cov yeeb yaj kiab tsis sib xws yuav ua rau muaj teeb meem ntau, xws li kev ntim khoom tsis zoo, kev tiv thaiv cov khoom tsis txaus thiab kev cuam tshuam ntawm cov qauv luam ntawv, uas yuav cuam tshuam rau cov khoom lag luam kev sib tw. Yog li ntawd, raws sij hawm thiab zoo hloov ntawm lub tshuab cua tshuab, los daws qhov teeb meem ntawm zaj duab xis thickness imbalance, thiaj li yuav txhim kho cov khoom zoo thiab ntau lawm efficiency yog qhov tseem ceeb.
Common Manifestations ntawm daim nyias nyias Uneven Film Thickness nyob rau hauv membrane blowers
Transverse Thickness Unevenness (Sab laug-Right Direction)
Nyob rau hauv lub lateral kev taw qhia ntawm zaj duab xis, lub thickness ntawm sab laug thiab sab xis yog tsis zoo li qub. Qhov no tuaj yeem yog ib sab tuab dua li lwm qhov, nruab nrab tuab dua li lwm qhov, lossis rov ua dua. Qhov kev tsis sib xws no yuav ua rau muaj kev ntxhov siab tsis sib xws ntawm ib sab ntawm zaj duab xis thaum ntim cov khoom, cuam tshuam rau kev sib khi thiab ruaj khov ntawm lub ntim.
Longitudinal Thickness Unevenness (Pem hauv ntej - mus rau - Rov qab Direction)
Thickness sib txawv tshwm sim raws li cov kev taw qhia ntawm zaj duab xis ntau lawm, pem hauv ntej thiab nram qab. Qhov no manifests tias thaum lub sij hawm tensile txheej txheem ntawm zaj duab xis, lub thickness ntawm zaj duab xis yog tsis sib xws vim qhov sib txawv degrees ntawm tensile nyob rau hauv ib co cheeb tsam. Tsis sib luag longitudinal thickness tuaj yeem ua rau folds thiab dislocations hauv cov txheej txheem winding, cuam tshuam rau kev ua haujlwm tom ntej thiab siv.
Combined Thickness Unevenness (longitudinal thiab Transverse Directions)
Thickness heterogeneity tau pom nyob rau hauv ob qho tib si transverse thiab longitudinal qhia zaj duab xis. Qhov kev sib xyaw ua ke tsis sib xws yog qhov nyuaj tshaj plaws thiab muaj kev cuam tshuam loj tshaj plaws ntawm cov yeeb yaj kiab zoo. Qhov no ua rau lub cev tsis sib haum xeeb ntawm cov yeeb yaj kiab hauv cov lus qhia sib txawv, uas tsis ua raws li cov kev cai ntawm cov khoom zoo.
AFDD Arc Fault Protection Circuit Breaker
Raw Material Factors
Instability ntawm raw khoom zoo:
Molecular hnyav tis ntawm raw khoom yuav txawv ntawm batch mus rau batch. Lub ultrawide molecular hnyav faib ua rau inconsistent melt index thiab txawv ntws yam ntxwv thaum extrusion, uas cuam tshuam rau zaj duab xis thickness uniformity. Piv txwv li, qhov loj ntawm qhov hnyav molecular ntawm cov yaj viscosity yog siab, qeeb ntws, yooj yim rau hauv cov pwm, ua rau cov zaj duab xis hauv zos thickening; qhov me me molecular qhov hnyav ntawm qhov ntws nrawm heev, ua rau cov yeeb yaj kiab hauv zos thinning.
Cov nyhuv ntawm impurities nyob rau hauv raw cov ntaub ntawv
Cov impurities nyob rau hauv raw cov ntaub ntawv, xws li plua plav thiab hlau hais, clog cov ntws raws ntawm pwm thaum lub sij hawm extrusion, cuam tshuam rau uniform extrusion. Cov impurities kuj tuaj yeem ua rau muaj qhov tsis xws luag hauv zaj duab xis, ua rau muaj kev hloov pauv hauv cov thickness hauv zos. Tsis tas li ntawd, impurities yuav cuam tshuam cov yaj thiab ntws cov yam ntxwv ntawm cov ntaub ntawv raw, ntxiv rau qhov sib xws ntawm cov yeeb yaj kiab thickness uniformity.
Cov Khoom Raw Khoom Tsis Zoo: Thaum lub sijhawm tsim khoom, ntau cov ntaub ntawv raw feem ntau sib xyaw kom tau raws li cov khoom sib txawv. Yog tias cov ntaub ntawv nyoos tsis sib haum, yuav hloov pauv lub cev thiab tshuaj lom neeg ntawm cov khoom siv raw, cuam tshuam rau qhov sib xws ntawm zaj duab xis thickness uniformity. Piv txwv li, siab dhau los yog qis dhau ib feem ntawm cov khoom siv raw tuaj yeem hloov kho qhov kub thiab viscosity ntawm zaj duab xis, uas ua rau lub thickness tsis sib npaug thaum extrusion.
Tsis raug Additive Dosage
Additives xws li plasticizers, stabilizers thiab lubricants feem ntau ntxiv los txhim kho cov khoom ntawm cov yeeb yaj kiab. Kev noj tshuaj ntxiv tsis raug yuav cuam tshuam rau kev ua haujlwm ntawm cov khoom siv raw thiab lub cev lub cev ntawm cov yeeb yaj kiab. Piv txwv li, ntau npaum li cas ntawm plasticizer tuaj yeem ua rau soften thiab ua kom cov dej ntws tawm ntawm cov yeeb yaj kiab, uas yuav ua rau thinning thaum lub sij hawm tensile txheej txheem; Kev siv tsis txaus tuaj yeem ua rau cov zaj duab xis tawv, txo nws cov tensile zog thiab tuaj yeem ua rau muaj kev nce hauv zos thickness.
Khoom yam ntxwv
Cov teeb meem ntawm cov ntsia hlau thiab lub thoob
Nyob rau hauv ntev - siv sij hawm ntev, cov ntsia hlau yuav ploj mus, ua rau cov ntsia hlau thiab lub thoob tshem tawm loj dhau. Thaum lub sij hawm extrusion txheej txheem, cov ntaub ntawv raw yuav ntws rov qab, cuam tshuam rau kev thauj cov ntaub ntawv thiab qhov zoo ntawm cov yaj, uas ua rau cov yeeb yaj kiab tsis sib xws. Tsis tas li ntawd, cov cua kub tsis sib xws kuj tseem yuav ua rau cov khoom melting xeev tsis sib haum, qee qhov chaw tsis yaj tag, qee qhov chaw overheat decomposition, cuam tshuam rau qhov sib xws ntawm zaj duab xis thickness uniformity.
Tuag Qhov Teeb Meem
Lub taub hau tuag yog ib qho tseem ceeb ntawm lub tshuab blower thiab nws cov qauv tsim ncaj qha cuam tshuam rau qhov zoo ntawm lub tshuab tshuab. Kev tsim tsis tsim nyog ntawm lub taub hau tuag, xws li cov qauv tsis tsim nyog txaus lossis qhov tsis sib xws, yuav ua rau cov khoom tsis sib xws ntawm lub taub hau tuag, ua rau cov yeeb yaj kiab tsis sib xws. Kev tuag lub taub hau los yog hnav kuj tseem yuav ua rau kev hloov pauv ntawm lub ntim extrusion, uas ua rau cov yeeb yaj kiab tsis sib xws. Kev kho tsis raug ntawm molded di ncauj clearance kuj yog ib qho ua rau. Yog hais tias molded di ncauj clearance yog tsis sib xws nyob rau hauv ntau txoj hauj lwm, lub thickness ntawm cov zaj duab xis kuj yuav txawv thaum lub sij hawm extrusion.
Qhov teeb meem Airring
Lub luag haujlwm ntawm lub nplhaib huab cua yog kom txias thiab pwm cov yeeb yaj kiab tshiab extruded. Cov cua ntsawj tsim tsis raug, xws li cov pa cua tsis zoo los yog cov pa tawm tsis sib xws, tuaj yeem ua rau cov cua tsis sib xws thiab tsis sib xws ntawm cov yeeb yaj kiab. Qhov twg airflow loj, zaj duab xis txias sai sai, ua rau thinning; qhov twg airflow me me, zaj duab xis txias maj mam, ua rau thickening. Tsis tas li ntawd, kev thaiv los yog plua plav tsub zuj zuj hauv lub nplhaib cua kuj tuaj yeem cuam tshuam qhov sib xws ntawm airflow thiab siab, ua rau cov yeeb yaj kiab tsis sib xws.
Towing thiab Rewinding teeb meem
Thaum lub sij hawm tus txheej txheem tensile, qhov sib piv tensile ntawm zaj duab xis yuav hloov vim qhov tsis ruaj tsis khov traction ceev, thiab lub thickness ntawm zaj duab xis yuav tsis sib xws. Yog hais tias lub traction ceev ceev heev, zaj duab xis yuav overstretched thiab nyias; Yog hais tias lub traction ceev yog qeeb heev, zaj duab xis yuav understretched thiab thickened. Tsis sib npaug winding nro kuj cuam tshuam rau zaj duab xis thickness uniformity ntawm zaj duab xis. Ntau dhau winding nro yuav ua rau cov zaj duab xis stretched thiab thinned thaum lub sij hawm winding txheej txheem, thiab tsis txaus winding nro yuav ua rau wrinkles thiab cuam tshuam rau zaj duab xis flatness thiab thickness uniformity.
Txheej txheem Parameter Factors
Kev ntsuas kub tsis raug
Qhov kub thiab txias ntawm txhua cheeb tsam ntawm lub membrane blower muaj kev cuam tshuam zoo rau qhov zoo ntawm daim nyias nyias. Yog tias qhov kub thiab txias hauv txhua cheeb tsam yog siab dhau los yog qis dhau, nws tuaj yeem cuam tshuam rau lub melting thiab ntws yam ntxwv ntawm cov khoom. Qhov kub ntau dhau yuav ua rau overheating thiab decomposition ntawm raw cov ntaub ntawv, npuas thiab lwm yam tsis xws luag, uas ua rau cov zaj duab xis thickness tsis sib npaug; Tsis tshua muaj kub yuav ua rau tsis txaus melting ntawm raw cov ntaub ntawv, tsis zoo flowability, yooj yim rau jam thaum nias, uneven thickness. Tsis tas li ntawd, qhov kub thiab txias hloov pauv kuj tseem yuav ua rau cov yeeb yaj kiab thickness fluctuation, cuam tshuam rau cov yeeb yaj kiab zoo.
Tsis tsim nyog Blow-Up Ratio thiab scaling down
Qhov piv txwv yog qhov piv ntawm qhov nthuav dav ntawm zaj duab xis mus rau txoj kab uas hla ntawm qhov tuag, thiab qhov tensile ratio yog qhov tensile ratio ntawm zaj duab xis nyob rau hauv cov kev taw qhia ntawm traction. Kev sib tw siab thiab qis qis, nrog rau cov tshuab tshuab tsis sib haum, tuaj yeem cuam tshuam rau zaj duab xis thickness uniformity. Kev sib tw siab dhau lawm yuav ua rau cov kev taw qhia transverse stretching, uas yuav ua rau thinning ntawm zaj duab xis; ntawm qhov tsis sib xws, qhov qis qis dhau ntawm qhov sib piv yuav ua rau tsis txaus lateral stretching, uas yuav ua rau thickening ntawm zaj duab xis. Ib yam li ntawd, siab dhau lossis qis dhau qhov sib piv tensile tuaj yeem muaj cov txiaj ntsig zoo sib xws, uas ua rau qhov tsis sib xws ntawm cov kev taw qhia longitudinal.
Cov nyhuv txias txias tsis zoo;
Cov nyhuv txias kuj tseem muaj qhov cuam tshuam tseem ceeb ntawm cov yeeb yaj kiab thickness uniformity. Cov cua txias tsis tsim nyog thiab kev tshaj tawm, lossis kev tswj cov cua txias tsis zoo, yuav ua rau cov yeeb yaj kiab tsis sib xws. Cov yeeb yaj kiab nyias yuav tshwm sim nyob rau hauv qhov chaw uas txias dua, thiab cov yeeb yaj kiab tuab dua nyob rau hauv qhov chaw uas txias dua. Tsis tas li ntawd, kev txias tsis sib xws yuav ua rau muaj kev ntxhov siab hauv zaj duab xis thiab cuam tshuam rau lub cev thiab cov tsos zoo ntawm zaj duab xis.
Txoj kev los kho qhov tsis sib xws zaj duab xis Thickness
(I) Raw Material Kho
Xaiv cov khoom siv ruaj khov thiab ua raws li cov khoom siv raw yog qhov tseem ceeb kom ntseeg tau tias cov yeeb yaj kiab tuab tuab. Thaum xaiv cov khoom siv raw, xaiv cov khoom lag luam los ntawm cov tuam txhab muaj koob npe thiab sim cov khoom sib txawv kom ntseeg tau tias lawv cov khoom hnyav molecular faib, cov ntsiab lus tsis huv, thiab lwm yam ntsuas raws li qhov yuav tsum tau ua. Nyob rau tib lub sijhawm, nruj me ntsis tswj cov khoom raw piv thiab raug ntxiv ntau yam additives. Thaum sib tov cov khoom siv raw, siv cov cuab yeej sib xyaw tsim nyog thiab cov txheej txheem los xyuas kom muaj kev sib xyaw ua ke.
(II) Cov cuab yeej tu thiab kho
Screw thiab Barrel Maintenance
Tsis tu ncua xyuas qhov hnav ntawm cov ntsia hlau. Yog tias pom hnav hnyav, hloov nws tam sim ntawd. Ib txhij, xyuas kom meej cov cua sov ntawm lub thoob thiab tsis tu ncua xyuas cov xwm txheej ua haujlwm ntawm cov khoom cua sov. Kho tej malfunctions tam sim ntawd. Kub sensors tuaj yeem ntsia tau rau ntawm lub thoob los saib xyuas qhov ntsuas kub ntawm txhua cheeb tsam hauv lub sijhawm tiag tiag, kom ntseeg tau tias qhov ntsuas kub tau tswj tau hauv qhov tsim nyog.
Kev kho mob taub hau tuag
Tsis tu ncua ntxuav lub taub hau blockages siv cov cuab yeej tu tshwj xeeb thiab cov neeg ua haujlwm kom ntseeg tau tias tsis muaj kev cuam tshuam hauv lub taub hau tuag. Kho lossis hloov cov khoom siv tuag lub taub hau tam sim ntawd. Precisely kho qhov tuag di ncauj qhov sib txawv uas siv cov cuab yeej hloov kho kom ntseeg tau tias qhov sib txawv ntawm qhov sib txawv. Thaum kho qhov tuag di ncauj qhov sib txawv, ua raws li lub hauv paus ntsiab lus ntawm kev ntxhib hloov ua ntej, tom qab ntawd kev kho kom zoo, maj mam hloov mus rau qhov pom kev zoo.
Cua Ring Optimization
Txhim kho cov qauv ntawm lub nplhaib cua, ua kom zoo dua cov qauv ntawm cov pa taws thiab cov pa hluav taws xob kom ntseeg tau tias cov khoom sib txawv ntawm cov cua ntws thiab cov cua siab ntawm cov yeeb yaj kiab. Cov cuab yeej hloov kho Airflow tuaj yeem ntsia tau los kho cov cua ntws ntawm txhua lub qhov hluav taws xob raws li qhov tseeb. Tsis tu ncua ntxuav cov plua plav thiab cov khib nyiab hauv lub nplhaib cua kom tsis txhob muaj kev cuam tshuam.
Traction thiab Rewinding hloov kho
Xyuas cov khoom siv traction kom ruaj khov traction ceev. Traction ceev tuaj yeem saib xyuas thiab hloov kho hauv lub sijhawm tiag tiag los ntawm kev txhim kho ceev sensors thiab controllers. Kho qhov nro winding siv lub nro tswj ntaus ntawv, precisely tswj lub winding nro raws li cov zaj duab xis specifications thiab cov yuav tsum tau los xyuas kom meej uniform nro.
(III) Txheej Txheem Parameter Optimization
Kev Tswj Kub Kub
Teem qhov kub ntawm txhua cheeb tsam tsim nyog raws li cov khoom siv raw khoom thiab cov yeeb yaj kiab yuav tsum tau ua. Ua ntej kev tsim khoom, ua qhov kev sim txaus thiab kev debugging los txiav txim siab qhov ntsuas kub tsis zoo. Nruab cov khoom siv tswj qhov kub thiab txias, xws li cov tswj kub thiab cov thermocouples, los saib xyuas thiab kho qhov kub ntawm txhua cheeb tsam hauv lub sijhawm, txo qhov kub thiab txias. Thaum lub sijhawm tsim khoom, ua tib zoo saib xyuas qhov kub thiab txias hloov thiab hloov kho raws sijhawm.
Blow-up Ratio and Kos-out Ratio Adjustment
Txiav txim siab qhov zoo tshaj plaws tshuab-nce piv thiab kos- tawm piv los ntawm kev sim. Ntau qhov kev ntsuam xyuas tuaj yeem ua raws li cov yam ntxwv xws li cov yeeb yaj kiab tshwj xeeb, daim ntawv thov, thiab cov khoom siv raw los nrhiav cov khoom tsim nyog tshaj plaws. Thaum lub sijhawm tsim khoom, kho qhov ntsuas tam sim ntawd raws li qhov tseeb, xws li kev hloov pauv ntawm cov khoom siv raw lossis cov khoom siv, kom ntseeg tau tias lub tshuab ua haujlwm -nce piv thiab kos- tawm piv nyob rau hauv lawv cov qib siab.
Txhim kho qhov txias txias
Optimize cua txias system thiab kho cua kub thiab ceev. Nruab cua kub thiab ceev hloov cov cuab yeej raws li cov zaj duab xis cua txias yuav tsum precisely tswj cov cua txias tsis. Tswj cov cua txias rau cov menyuam kub siv lub tshuab ua dej txias kom paub meej tias cov menyuam txias txias txias. Kub sensors tuaj yeem ntsia tau rau ntawm qhov chaw txias rau cov menyuam kom saib xyuas qhov kub thiab txias hloov hauv lub sijhawm tiag tiag thiab kho cov dej txias txias thiab kub raws li qhov xav tau.,
Kev ceev faj ntsuas thaum lub sij hawm hloov kho
** Ua ntej-Kev Kho Cov Khoom Siv Tshuaj Ntsuam Xyuas thiab Kev Ntsuas Kev Nyab Xeeb **
Ua ntej kho lub diaphragm blower, yuav tsum tau ua tib zoo tshuaj xyuas kom ntseeg tau tias tag nrho cov khoom ua haujlwm zoo li qub thiab tsis muaj kev phom sij. Hnav cov khoom tiv thaiv tus kheej tsim nyog xws li lub kaus mom kev nyab xeeb, tsom iav thiab hnab looj tes tiv thaiv kev sib tsoo thaum lub sijhawm hloov kho.
** Maj mam kho qhov ntsuas kom tsis txhob muaj qhov hloov pauv loj **
Cov txheej txheem tsis yuav tsum tau kho ib kauj ruam dhau los, ib kauj ruam dhau los kom tsis txhob muaj qhov hloov pauv loj. Kev hloov pauv loj dua tuaj yeem ua rau muaj kev hloov pauv ntau dua ntawm cov yeeb yaj kiab zoo lossis txawm tias muaj teeb meem zoo tshiab. Tom qab txhua qhov kev hloov pauv, saib cov kev hloov pauv ntawm cov yeeb yaj kiab zoo rau lub sijhawm ua ntej txiav txim siab seb puas yuav txuas ntxiv.
** Sau cov txheej txheem kev hloov kho thiab kev hloov pauv Parameter rau kev ua tiav kev ua tiav **
Hauv cov txheej txheem hloov kho, ua tib zoo sau lub sijhawm hloov kho, hloov tsis tau, hloov kho ua ntej thiab tom qab hloov cov yeeb yaj kiab zoo. Cov ntaub ntawv no muaj txiaj ntsig zoo rau kev kawm los ntawm kev paub dhau los, tshuaj xyuas cov teeb meem, thiab txhim kho cov txheej txheem ntau lawm. Los ntawm kev txheeb xyuas thiab sau cov ntaub ntawv sau tseg, cov ntsiab lus tseem ceeb cuam tshuam rau qhov sib xws ntawm zaj duab xis thickness uniformity tuaj yeem pom, uas tuaj yeem muab kev taw qhia rau kev tsim khoom yav tom ntej.
Tom qab hloov kho, cov yeeb yaj kiab yuav tsum raug kuaj xyuas kom paub tseeb tias nws ua tau raws li qhov yuav tsum tau ua. Qhov no suav nrog kev txheeb xyuas qhov tsis xws li tuab, lub zog tensile, pob txha elongation thiab lub teeb xa hluav taws xob. Peb tuaj yeem siv txoj kev sim ntawm ntawm -line thiab offline los xyuas kom meej tias cov yeeb yaj kiab zoo ua raws li cov qauv khoom thiab cov neeg siv khoom xav tau. Yog tias qhov kev ntsuam xyuas tsis tau mus txog qhov khawb, qhov laj thawj yuav tsum tau tshawb xyuas thiab kho kom txog thaum cov yeeb yaj kiab ua tau raws li qhov yuav tsum tau ua.
