Lub longitudinal phab ntsa thickness ntawm tshuab moulded khoom yog uneven
Ua rau:
1. Tus kheej hnyav sag ntawm parison yog loj
2. Txoj kab uas hla qhov sib txawv ntawm ob qhov ntev ntawm qhov hla ntawm cov khoom siv tshuab yog qhov loj heev
Kev daws:
1. Txo cov melting kub ntawm lub parison, txhim kho lub extrusion ceev ntawm lub parison, hloov cov resin nrog tsawg yaj khiav ceev, thiab kho parison tswj ntaus ntawv.
2. Hloov cov khoom tsim kom raug thiab txais yuav txoj kev tshuab hauv qab rau molding.
Lub transverse phab ntsa thickness ntawm tshuab moulded khoom yog uneven
Ua rau:
1. Parison extrusion skew
2. Qhov kub ntawm qhov sib txawv ntawm sab hauv thiab sab nraud ntawm lub tes tsho pwm thiab cov pwm tseem ceeb yog qhov loj
3. Asymmetric khoom zoo li
4. Ntau zaus tshuab expansion piv ntawm parison
Kev daws:
1. Kho qhov sib txawv dav sib txawv ntawm qhov tuag kom lub parison phab ntsa thickness uniform;Ncaj lub pwm ua ntej kaw.
2. Ua kom sov lossis txo qhov cua sov ntawm lub tes tsho tuag thiab txhim kho qhov sib txawv ntawm qhov kub thiab txias sab hauv thiab sab nraud.
3. Ua ntej pwm kaw, pre-clamp thiab pre-expand lub parison kom lub parison zoo hloov mus rau nyias-phab ntsa kev taw qhia.
4. Txo cov tshuab nthuav dav ntawm parison
Txiv kab ntxwv tev qauv los yog pitting rau saum npoo ntawm cov khoom siv molded
Ua rau:
1. Pwm tsis zoo
2. Pwm to los yog condensation nyob rau hauv pwm kab noj hniav
3. Lub parison muaj plasticization tsis zoo, thiab lub parison tau yaj puas.
4. Tsis txaus siab nyiaj txiag
5. Tus nqi qis qis
6. Lub tshuab nthuav dav yog me dhau
Kev daws:
1. Cov pwm dawb paug yuav tsum tau sandblasted thiab lub qhov cua yuav tsum tau ntxiv.
2. Kho cov pwm thiab kho qhov txias txias ntawm pwm kom siab tshaj qhov "dew point".
3. Txo cov ntsia hlau ceev thiab ua kom cov cua kub ntawm lub extruder.
4. Ua kom cov nyiaj nce siab ntxiv
5. Ntxuav lub compressed cua channel thiab xyuas seb lub tshuab raj xau.
6. Hloov lub tes tsho pwm thiab cov tub ntxhais los txhim kho lub tshuab nthuav dav ntawm parison.
Volume txo ntawm tshuab moulding khoom
Ua rau:
1. Lub parison phab ntsa thickness nce, uas ua rau cov khoom phab ntsa thickening.
2. Lub shrinkage ntawm cov khoom nce, ua rau qhov loj me me ntawm cov khoom.
3. Lub siab nce nqi me me, thiab cov khoom tsis yog inflated rau qhov tsim loj ntawm cov kab noj hniav.
Kev daws:
1. Kho qhov kev pab cuam tswj cov cuab yeej kom txo tau cov parison phab ntsa thickness;Ua kom lub melt kub ntawm parison thiab txo qhov expansion ratio ntawm parison.
2. Hloov cov resin nrog tsawg shrinkage, ncua lub sij hawm tshuab thiab txo qhov txias txias ntawm pwm.
3. Tsim kom muaj lub siab ntawm compressed cua
Tshuab moulded cov khoom tsim los yog cov duab kos tsis meej
Ua rau:
1. Cov kab noj hniav tsis zoo
2. Tsawg nqi zog siab
3. Lub melting kub ntawm parison yog tsawg, thiab cov khoom plasticization tsis zoo.
4. Cov pwm txias txias yog qhov tsawg, thiab cov pwm muaj "condensation" tshwm sim.
Kev daws:
1. Kho cov pwm, sandblast lub kab noj hniav los yog ntxiv qhov tso pa tawm.
2. Ua kom cov nyiaj nce siab ntxiv
3. Ua kom cov cua kub kub ntawm lub extruder thiab lub taub hau kom zoo, thiab ntxiv ib qho tsim nyog ntawm cov muab tub lim masterbatch yog tias tsim nyog.
4. Kho cov pwm kub siab tshaj qhov dew point kub
Cov khoom uas tshuab moulded muaj ntau dhau thiab tuab flash
Ua rau:
1. Tuag expansion thiab tsis txaus locking siab.
2. Cov cuab yeej ntug ntawm qhov tuag yog hnav thiab cov lus qhia ncej yog offset.
3. Thaum tshuab, lub parison yog skewed.
4. Txoj kev khiav tawm ntawm qhov khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob.
5. Pib ntxov ntxov ntawm parison charging.
Kev daws:
1. Ua kom cov pwm xauv lub siab thiab ua kom lub siab nce siab.
2. Kho cov pwm hniav, kho los yog hloov cov pwm qhia ncej.
3. Kho qhov chaw nruab nrab ntawm parison thiab cua tshuab qws
4. Txiav cov pwm thiab ua kom qhov tob ntawm qhov kev khiav tawm chute lossis riam.
5. Kho lub sij hawm filling ntawm parison
Ntev ntev ntev kab txaij tshwm
Ua rau:
1. qias neeg ntawm qhov ncauj tuag.
2. Muaj burr lossis notch ntawm ntug ntawm lub tes tsho pwm thiab cov tub ntxhais.
3. Xim masterbatch lossis resin decomposition ua cov kab txaij tsaus.
4. Cov ntxaij lim dej yog perforated, thiab cov khoom yog tov nrog impurities thiab tso rau ntawm lub qhov ncauj tuag.
Kev daws:
1. Ntxuav lub qhov ncauj tuag nrog rab riam tooj.
2. Trimming tuag.
3. Txo qhov kub kom zoo thiab hloov cov xim masterbatch nrog zoo dispersion.
4. Hloov cov ntxaij lim dej thiab siv cov khoom seem.
Thaum tsim, lub embryo yog tshuab tawm
Ua rau:
1. Cov hniav yog ntse heev.
2. Lub parison muaj impurities los yog npuas.
3. Ntau zaus tshuab nthuav dav.
4. Tsawg yaj lub zog ntawm parison.
5. Tsis txaus parison ntev.
6. Lub parison phab ntsa yog nyias dhau los yog parison phab ntsa thickness tsis sib npaug.
7. Lub thawv nthuav dav thiab tawg thaum qhib pwm (lub sijhawm cua tsis txaus)
8. Pwm xauv lub zog tsis txaus.
Kev daws:
1. Ua kom qhov dav thiab lub kaum sab xis ntawm cov hniav kom tsim nyog
2. Siv cov khoom siv qhuav qhuav, siv cov ntaub ntawv ntub dej tom qab ziab, siv cov ntaub ntawv nyoos thiab ntxuav lub qhov ncauj pwm.
3. Hloov lub tes tsho pwm thiab cov tub ntxhais, thiab txo qhov kev nthuav dav ntawm cov pwm puas.
4. Hloov cov ntaub ntawv raw uas tsim nyog thiab txo qhov kub kom zoo.
5. Tshawb xyuas cov cuab yeej tswj ntawm lub extruder lossis lub tog raj kheej lub taub hau kom txo tau qhov kev hloov ntawm cov txheej txheem tsis thiab ua kom ntev ntawm parison.
6. Hloov lub tes tsho pwm lossis cov tub ntxhais thiab ua kom cov phab ntsa parison tuab;Tshawb xyuas lub parison tswj ntaus ntawv thiab kho qhov sib txawv tuag.
7. Kho lub sij hawm los ntshav los yog ncua sij hawm pib pwm
8. Ua kom cov pwm xauv lub siab los yog txo qhov nyiaj nce siab
Tshuab moulded khoom yog qhov nyuaj rau demould
Ua rau:
1. Lub sij hawm txias ntawm cov khoom nthuav dav yog ntev heev, thiab qhov txias txias ntawm pwm yog tsawg.
2. Cov pwm tsim tsis zoo, thiab muaj burrs nyob rau saum npoo ntawm pwm kab noj hniav.
3. Thaum lub formwork qhib, lub zog ceev ntawm lub hauv ntej thiab nram qab formwork yog uneven.
4. Tuag installation yuam kev.
Kev daws:
1. Ua kom luv lub tshuab nthuav dav lub sij hawm ntawm parison thiab nce pwm kub.
2. Txiav cov pwm;Txo qhov zawj qhov tob, thiab qhov convex rib nqes hav yog 1:50 lossis 1:100;Siv tus neeg sawv cev tso tawm.
3. Kho cov pwm xauv cov cuab yeej ua kom cov qauv pem hauv ntej thiab nram qab txav ntawm tib lub nrawm.
4. Rov kho cov pwm thiab kho qhov chaw teeb tsa ntawm ob sab ntawm cov pwm.
Qhov zoo ntawm tshuab moulded khoom fluctuates heev
Ua rau:
1. Sudden hloov ntawm parison phab ntsa thickness
2. Cov npoo sib xyaw thiab cov khoom siv kaum tsis sib xws
3. Qhov chaw pub mis yog thaiv, ua rau cov extruder tawm mus hloov pauv.
4. Qhov kub tsis sib xws
Kev daws:
1. Kho parison tswj ntaus ntawv
2. Txais cov khoom sib tov zoo kom ntev lub sij hawm sib xyaw;Yog tias tsim nyog, txo tus nqi ntawm kaum rov qab.
3. Tshem cov pob ntawm cov khoom nkag
4. Txo qhov kub ntawm cov khoom nkag
Post lub sij hawm: Mar-21-2023