10 PET Preform Teeb meem: Ua rau thiab kev daws teeb meem

Cov xim dub, npuas, npau taws, cov phab ntsa tsis sib xws, thiab lub caj dab puas lawm yuav zoo li me me PET preform defects. Hauv kev tsim khoom, lawv tuaj yeem ua rau cov khoom seem siab, sealing tsis zoo, lub raj mis tsis muaj zog, thiab cov kab nres.

 

Lub hauv paus tsis yog ib txwm zoo ib yam. Qee qhov tsis xws luag pib thaum PET preform txhaj tshuaj molding. Lwm tus yog los ntawm kev ntim khoom, thauj, lossis khaws cia. Lub raj mis kuj tseem yuav ua tsis tau vim lub tshuab molding rhaub, ncab pas nrig, lossis pwm teeb tsis raug. Thawj kauj ruam yog nrhiav qhov tseeb.

Koj tuaj yeem txheeb xyuas cov teeb meem PET Preform sai npaum li cas?

Koj pom dab tsi	Qhov tshwm sim tau	Kos Thawj	Pom zoo ua
Dub specks los yog txawv teb chaws hais	Cov tsos mob tsis zoo thiab muaj kev pheej hmoo kis kab mob	Resin, chim, thiab kub khiav	Quarantine lub batch
Npuas los yog nyiaj streaks	Kev tawg thiab lub raj mis tsis sib xws	Resin drying thiab yaj mob	Txhob siv thiab tshuaj xyuas
Haze lossis crystallization	Tsawg clarity thiab tsis zoo stretch	Kev tswj cua sov thiab pwm txias	Khiav ib lub tshuab sim
Flash ncig lub caj dab	Capping thiab sealing teeb meem	Caj dab pwm qhov chaw	Quarantine thiab tshuaj xyuas
Nto khawb	Lub raj mis tsis zoo	Packing thiab conveyor system	Qib los ntawm qhov hnyav

Cov lus no muab qhov pib sai. Cov ntu hauv qab no piav qhia txhua qhov tsis xws luag.

10 Feem PET Preform Teeb meem thiab lawv cov kev daws teeb meem

1. Dub Specks thiab Cov Kab Mob

Cov specks dub tshwm li me me dub los yog xim av nyob rau hauv los yog nyob rau saum npoo ntawm lub preform. Feem ntau ua rau muaj xws li cov kab mob sib kis, PET degraded nyob rau hauv lub thoob los yog kub khiav, kev tu tsis zoo tom qab hloov khoom, thiab plua plav hauv qhov chaw cia.

Lawv yooj yim pom hauv lub raj mis dej ntshiab. Cov neeg yuav khoom noj khoom haus thiab dej haus tuaj yeem tsis lees txais cov khoom siv vim tias cov khoom tuaj yeem taw tes rau kev sib kis lossis cov khoom puas tsuaj. Quarantine lub batch, xyuas seb puas muaj ib kab noj hniav ua rau muaj teeb meem, thiab ntxuav cov resin feed system, chim, thiab kub khiav.

2. Npuas, Voids, thiab Silver Streaks

npuas thiab voids feem ntau zaum hauv lub preform. Silver streaks tshwm li nyias dawb los yog nyiaj kab ntawm qhov chaw. Feem ntau ua rau muaj xws li cov resin drying tsis zoo, nqus dej noo, cov huab cua tsis zoo, qhov kub thiab txias tsis ruaj khov, thiab lub siab tsis ruaj khov.

Moisture hloov PET yaj thiab txo cov khoom siv zog. Qhov kub siab dua tsis daws qhov laj thawj. Txheeb xyuas qhov chaw ziab khaub ncaws, dej lwg taw tes, lub sij hawm ziab, resin tuav, thiab pob mob.

3. Haze, Cloudiness, thiab crystallization

PET ntshiab preform yuav tsum tsis txhob muaj cov mis nyuj lossis huab cua. Haze feem ntau yog los ntawm lub zos overheating, pwm tsis sib xws, cov khoom siv nyob ntev ntev, los yog cia ntawm qhov kub thiab txias.

Lub teeb haze tsis yog ib txwm txhais tau tias lub preform yog siv tsis tau. Khiav ib lub tshuab sim thiab xyuas lub raj mis kom meej, phab ntsa tuab, ncab qauv, thiab qhov chaw tsis muaj zog. Loj dawb lossis crystalline cheeb tsam xav tau kev tshuaj xyuas tag nrho.

4. Daj thiab xim txawv

Yellowing cuam tshuam rau tag nrho cov preform lossis ib cheeb tsam loj. Xim variation txhais tau hais tias preforms los ntawm tib batch tsis muaj tib lub ntxoov ntxoo. Feem ntau ua rau muaj xws li kub kub, lub sij hawm nyob ntev, resin degradation, thiab xim tsis ruaj tsis khov masterbatch piv.

Thicker preforms yuav saib me ntsis tsaus dua li thinner preforms. Sib piv cov qauv nyob rau hauv tib lub teeb thiab tawm tsam tib lub keeb kwm yav dhau. Yog xav paub ntxiv, nyeemRPET vs Virgin PET: Yuav Ua Li Cas Xaiv Txoj Cai PET Preform.

5. Tsis sib xws phab ntsa Thickness thiab Eccentricity

Ib qho eccentric preform muaj ib phab ntsa tuab ntawm ib sab thiab ib phab ntsa nyias ntawm lwm qhov. Qhov no tuaj yeem yog los ntawm kev hloov pauv ntawm cov tub ntxhais kawm, kev sib txawv ntawm cov pwm tsis zoo, cov pwm tsis zoo, lossis cov dej tsis sib xws.

Lub raj mis yas zaum kawg yuav lean, qhia qhov chaw tsis muaj zog, lossis ua tsis tau qhov kev sim siab. Yog tias tib lub kab noj hniav pom qhov tsis xws luag, tshuaj xyuas cov tub ntxhais thiab cov pwm sib dhos ua ntej. Cov txheej txheem hloov ib leeg yuav tsis kho qhov tawm ntawm -pwm qhov nruab nrab.

6. Kev txhaj tshuaj luv luv thiab ua tsis tiav

Kev txhaj tshuaj luv luv txhais tau hais tias ib feem ntawm qhov preform tsis tsim tag nrho. Ua rau muaj xws li txhaj tshuaj tsawg tsawg, cov dej ntws tsis zoo, lub rooj vag thaiv, tsis ruaj tsis khov siab, thiab cov pwm tsis zoo.

Tsis txhob xa luv luv - txhaj tshuaj preforms rau lub tshuab molding kab. Cov khoom uas ploj lawm tuaj yeem ua rau lub raj mis tsis muaj zog lossis ua rau lub caj dab ua kom tiav. Cais cov batch thiab tshuaj xyuas cov kab noj hniav, rooj vag, thiab kev txhaj tshuaj.

7. Nyem rau ntawm caj dab lossis kab sib faib

Flash yog ib txheej nyias ntawm cov yas ntxiv nyob ib ncig ntawm caj dab lossis pwm parting kab. Nws tuaj yeem yog los ntawm cov pwm kaw tsis zoo, tsis tshua muaj zog clamp, hnav lub caj dab, cov av ntawm lub ntsej muag pwm, lossis kev txhaj tshuaj ntau dhau.

Flash nyob ze ntawm qhov sealing nto tuaj yeem thaiv cov capping kom zoo thiab ua rau cov kab ntim tsis tau. Quarantine lub batch thiab tshuaj xyuas lub caj dab nplhaib, pwm lub ntsej muag, thiab clamp mob.

8. Rooj vag tawg, rooj vag ntev, thiab hlua

Lub rooj vag tsis zoo tshwm sim ntawm lub hauv paus ntawm lub preform. Lawv suav nrog cov kab nrib pleb, tsa qhov rooj, qhov rooj ntev ntev, thiab cov hlua yas nyias. Feem ntau ua rau muaj xws li qhov kub thiab txias ntawm qhov rooj, tsis zoo valve-pin txiav txim, lub sij hawm txias txias, thiab lub sij hawm ejection tsis raug.

Lub qhov rooj me me tuaj yeem loj hlob thaum tshuab lossis thauj. Lub raj mis tuaj yeem tawm ntawm lub hauv paus tom qab kev cuam tshuam. Txheeb xyuas qhov kub khiav, tus pin valve, lub sijhawm txias, thiab ejection sequence.

9. Neck Finish, xov, thiab sealing nto tsis xws luag

Cov teeb meem no suav nrog cov xov tsis tiav, qhov chaw sib khi puas, lub caj dab tsis ncaj ncees lawm, thiab cov nplhaib txhawb nqa deformed. Lub caj dab loj muaj xws li 28 hli, 29/25, 30/25, 38 hli, 48 hli, thiab 55 hli. Cov neeg yuav khoom yuav tsum paub meej tias tag nrho lub caj dab tus qauv, tsis yog tsuas yog txoj kab uas hla.

Ua rau muaj xws li hnav lub caj dab pwm qhov chaw, cua txias tsis zoo, tsis sib haum ejection quab yuam, thiab ntim puas. Lub caj dab tsis xws luag cuam tshuam rau capping, sealing, thiab filling kab stability.

10. Khawb, Scuffing, thiab Warpage

Kos, dents, thiab bent preforms feem ntau yog los ntawm cov khoom siv ntxhib, kev sib cuag ntau dhau, kev ntim khoom tsis zoo, kev thauj mus los, lossis kub cia txias.

Random khawb feem ntau los ntawm kev ntim khoom lossis thauj. Rov ua dua cov cim nyob rau hauv tib txoj hauj lwm tej zaum yuav yog los ntawm ejection qhov chaw, cov lus qhia, los yog ntau lawm cov khoom.

Puas yog qhov teeb meem Preform lossis Blow Molding teeb meem?

Yog hais tias dub specks, nyem, txhaj tshuaj luv luv, lub rooj vag tawg, los yog lub caj dab puas raug pom ua ntej tshuab, tshuaj xyuas cov txheej txheem preform thiab txhaj tshuaj molding ua ntej. Yog tias ib qho kab noj hniav ib txwm pom qhov ua txhaum, xyuas cov tub ntxhais, lub caj dab, qhov cua txias, thiab kub khiav.

Yog hais tias cov preforms zoo li qub tab sis lub raj mis los ntawm ib qho chaw nres tsheb ib txwm muaj cov phab ntsa nyias lossis cov duab tsis tiav, xyuas cov teeb taws kub, ncab pas nrig, tshuab pwm, thiab chaw nres tsheb sib dhos. Random dents thiab khawb feem ntau taw tes rau kev ntim khoom, thauj, pub, lossis xa khoom.

PET Preforms puas tseem siv tau?

Tsis txhob siv thiab cais cov batch thaum koj pom cov kab mob sib kis, sealing nto puas, flash loj, txhaj tshuaj luv luv, lub rooj vag tawg, lossis loj caj dab deformation. Cov teeb meem no tsim kev pheej hmoo ntawm kev tsim khoom ncaj qha.

Khiav ib qho kev sim me me rau lub teeb xim txawv, lub teeb ci ntsa iab, lossis qhov ntev ze rau qhov pom zoo txwv. Xyuas kom meej, phab ntsa thickness, sealing, poob kev ua tau zoo, thiab kab stability. Lub teeb scuff marks yuav nyob twj ywm nyob rau hauv kev soj ntsuam thaum lawv tsis cuam tshuam rau lub caj dab, rooj vag, los yog phab ntsa.

Tsis muaj kev zam rau txhua qhov preform. Qhov kev txiav txim zaum kawg yuav tsum ua raws li daim duab kos, caj dab tus qauv, siv lub raj mis, thiab pom zoo pom zoo.

Yuav ua li cas tus neeg muab khoom yuav txo qhov tsis xws luag ua ntej xa khoom?

Kev tswj kom zoo yuav tsum pib nrog lub raj mis - qib PET resin. Lub Hoobkas yuav tsum kuaj xyuas qhov viscosity, acetaldehyde, noo noo, thiab xim ua ntej ntau lawm.

Thaum lub sij hawm tsim khoom, pab neeg no yuav tsum kuaj xyuas qhov hnyav, phab ntsa thickness, caj dab qhov ntev, zoo li, thiab kab noj hniav sib xws. Lub hom phiaj hnyav ntawm ± 0.3 g tuaj yeem txhawb kev tsim khoom ruaj khov, tab sis qhov kawg txwv yuav tsum phim cov khoom kos duab.

Cov caj dab tshiab, qhov hnyav tshiab, thiab cov haujlwm tshwj xeeb filling yuav tsum tau sim tshuab. Tus neeg muag khoom yuav tsum tau muab COA pom zoo, daim ntawv pov thawj zoo, thiab zaub mov-cov ntaub ntawv tiv tauj.

Koj tuaj yeem tshawb xyuas qhov xa tawm Preforms yam tsis muaj cov cuab yeej kuaj?

Tuav lub preform tiv thaiv lub teeb qhov chaw thiab nrhiav npuas, haze, dub specks, thiab xim hloov. Khiav ib tug ntiv tes hla lub rooj vag thiab txoj kab sib cais kom hnov ​​​​qhov flash lossis ntse npoo.

Haum lub hau kom raug rau ib qho qauv thiab xyuas cov xov thiab sealing nto. Siv lub ntsuas digital los piv cov qauv hnyav nrog tus nqi teev. Muab cov qauv ib sab los xyuas cov xim thiab symmetry.

Cov tshev no tsis hloov daim ntawv qhia qhov ntev lossis kev sim tshuab. Kev txiav txim loj tseem xav tau cov ntaub ntawv txheeb xyuas meej thiab cov ntaub ntawv kuaj pom zoo.

Cov ntaub ntawv dab tsi koj yuav tsum muab rau tus neeg muag khoom ua ntej xaj?

Muab lub caj dab tus qauv, preform qhov hnyav, lub raj mis kawg ntim, ntim khoom, thiab cov txheej txheem filling. Qhia seb qhov project siv ambient, kub, los yog carbonated filling.

Kuj tseem muab lub tshuab moulding tshuab qauv, kos duab cap, xaj kom muaj nuj nqis, xim, siv PET piv, thiab qauv- kuaj xav tau. Cov ntaub ntawv ua tiav pab lub Hoobkas sib tw pwm uas twb muaj lawm thiab txo qis kev ncua.

Vim li cas PET Preform Quality Control tseem ceeb dua tam sim no?

Ntau tus neeg yuav khoom tam sim no siv PET rov ua dua tshiab hauv cov khoom noj thiab dej haus. rPET tuaj yeem ua tau zoo, tab sis nws cov xim thiab cov khoom sib xws yuav tsum tau ceev faj tswj cov khoom siv. Cov neeg yuav khoom yuav tsum paub meej txog cov ntsiab lus rov ua dua tshiab, cov khoom siv, thiab cov ntaub ntawv batch.

Cov tswv lag luam tseem nug kom muaj pov thawj ntxiv thaum lub sij hawm soj ntsuam cov neeg muag khoom. COA cov ntaub ntawv, zaub mov-cov ntaub ntawv tiv tauj, cov ntaub ntawv txheeb xyuas tau, thiab kev sim- tshuab cov ntaub ntawv tam sim no ua lub luag haujlwm loj dua hauv kev pom zoo ntawm tus neeg xa khoom.

Xaus

Ua ntej, nrhiav qhov tsis xws luag. Tom ntej no, xyuas seb nws ua raws li ib kab noj hniav, ib qho chaw nres tsheb tshuab, lossis cov ntsiab lus tsis sib xws. Tom qab ntawd xaiv cais tawm, sim tshuab, lossis kev soj ntsuam txuas ntxiv.

Enlightening Pallet muab PET preforms nrog28 mm, 29/25, 30/25, 38mm ib, 48mm ib, thiab55mm uacaj dab tiav. Xa lub caj dab tus qauv, preform qhov hnyav, lub raj mis ntim, ntim txoj kev, thiab tshuab molding tshuab qauv. Peb pab neeg tuaj yeem phim cov khoom thiab npaj cov qauv kuaj.

Hu rau tam sim no

Cov lus nug nquag