Thaum demoldingyas qhov chawYog hais tias cov pwm kab noj hniav muaj qhov sib sib zog nqus grooves ntawm nws sab, tab sis lub kaum sab xis ntawm cov pwm kab noj hniav tsis txaus, cov grooves yuav plam tom qab cov yas tawm ntawm cov kab noj hniav. Qhov tshwm sim no yog hu ua khawb lossis rub, raws li pom hauv daim duab sab laug.
Qhov laj thawj tseem ceeb ntawm kev khawb hauv cov khoom yas yog kev txhaj tshuaj ntau dhau los yog tuav lub siab, thiab cov grooves sib sib zog nqus ntawm sab hauv ntawm cov pwm kab noj hniav. Cov laj thawj tshwj xeeb thiab cov kev daws teeb meem muaj nyob hauv cov lus hauv qab no.
Ua rau thiab kev daws teeb meem rau cov leeg nqaij:
| Ua rau Analysis | Kev daws/kev kho mob | |
|---|---|---|
| 1 | Muaj plaub hau hauv pwm (steel) | Ntxuav cov plaub hau hauv pwm (steel) |
| 2 | Txhaj tshuaj los yog tuav lub siab yog siab dhau lawm | Txo kev txhaj tshuaj los yog tuav lub siab |
| 3 | Pwm tso txoj kab nqes tsis txaus | Ua kom cov pwm tso tawm txoj kab nqes |
| 4 | Kev hnav ntau dhau ntawm cov pwm nto | Polish qhov chaw ntxhib los yog re- texture/plate lub pwm kab noj hniav |
| 5 | Tsis sib npaug clamping quab yuam (loj pwm deformation) | Txo clamping quab yuam, pab pwm deformation |
| 6 | Melt kub los yog pwm kub siab heev | Txo qhov kub thiab txias tag nrho thiab ncua sij hawm txias |
| 7 | Pwm qhib nrawm dhau | Slow cia pwm qhib ceev |
| 8 | Qhov kawg txoj hauj lwm ntawm ejector pins yog ceev heev (ejector tus pin cim siab dhau lawm) | Ua kom qeeb ejector tus pin nrawm, tiv thaiv qhov siab tshaj qhov ejection |
Xim txawv thiab kev daws teeb meem
Thaum cov khoom yas pov thawj cov xim tsis sib xws lossis cov xim tsis sib xws ntawm tib qhov chaw tom qab molding, nws yog hu ua xim txawv lossis gloss txawv, raws li qhia hauv daim duab hauv qab no.
Cov xim sib txawv yog tshwm sim los ntawm cov xim tsis sib xws hauv cov khoom yas, lossis los ntawm cov xim thiab cov yaj uas ntws mus rau qhov sib txawv, ua rau thermal puas thiab deformation loj ntawm cov khoom yas. Tsis tas li ntawd, lub zog demolding ntau dhau tuaj yeem ua rau cov xim tsis sib xws thiab xim sib txawv.
Thaum lub sij hawm txhaj tshuaj molding, xim txawv tuaj yeem tshwm sim vim muaj kev hloov pauv ntawm cov khoom siv raw lossis cov xim xim, kev tswj tsis tau zoo ntawm cov khoom siv rov ua dua tshiab, kev hloov pauv hauv cov txheej txheem txhaj tshuaj molding (cov khoom kub, rov qab siab, qhov seem seem, kev txhaj tshuaj ceev, thiab cov ntsia hlau ceev, thiab lwm yam), kev hloov pauv hauv kev txhaj tshuaj molding tshuab, sib tov lub sij hawm sib txawv, ntau lub sij hawm raw khoom kom qhuav lub sij hawm, cais pwm rau cov khoom sib txawv hauv cov xim sib txawv ntawm cov pwm (cov qauv sib txawv), xim ntawm cov khoom muag cov khoom, ntawm lwm yam.
Ua rau thiab kev daws teeb meem rau xim txawv:
| # | Ua rau Analysis | Kev daws/kev kho mob |
|---|---|---|
| 1 | Masterbatch ntau tus lej / batch sib txawv | Siv tib batch ntawm masterbatch rau tib yam kev txiav txim / khoom |
| 2 | Cov xim tsis ruaj tsis khov (cov khoom sib txawv) | Hloov mus rau qhov ruaj khov - zoo toner/masterbatch |
| 3 | Kev hloov loj hauv melt kub (ua rau xim txawv) | Tsim nyog teem melt kub kom nws ruaj khov |
| 4 | Tus naj npawb ntawm cov sij hawm raw khoom siv dua | nruj me ntsis tswj tus naj npawb ntawm lub sij hawm cov khoom siv yog recycled |
| 5 | Ntau dhau ntawm toner / masterbatch residue nyob rau hauv lub chim (hla - paug) | Txo cov toner residue hauv lub thoob |
| 6 | Ntsia hlau ntxuav ceev dhau los yog rov qab siab qis heev | Txo cov ntsia hlau tu ceev los yog ua kom rov qab siab |
| 7 | Cov khoom uas muaj siab -gloss xim teeb tsis nyob hauv tib lub pwm kab noj hniav | Pwm tsim yuav tsum tso siab -gloss xim cov khoom nyob rau hauv tib lub kab noj hniav |
| 8 | Kev txhaj tshuaj molding tshuab qhov ntau thiab tsawg tsis zoo ib yam | Siv cov tshuab txhaj tshuaj molding ntawm tib lub tonnage / qauv kom ntau li ntau tau |
| 9 | Dosing lub sij hawm thiab ntsia hlau ceev inconsistent (uncontrolled) | Tswj cov ntsia hlau ceev thiab sijhawm noj tshuaj (siv tib qhov chaw) |
| 10 | Cov khoom lag luam lub sijhawm ntev dhau lawm | Txo lub sijhawm cov khoom muag, xyuas kom cov khoom xa tuaj raws li cov khoom tshiab |
| 11 | Lub sij hawm pub mis tsis sib haum | Tswj lub sijhawm pub mis, tsis txhob hloov lossis ncua nws |
| 12 | Tsis zoo xim ceev ceev (tib lub hnab sealing) | Xyuas kom cov xim zoo nrawm (siv cov hnab ntim kom zoo) |
| 13 | Tsis zoo colorant stability (fades ntau, tsis muaj zog zais) | Siv pigments/colorants nrog zoo stability |
Nws yog ib qho tseem ceeb tshwj xeeb uas yuav tsum nco ntsoov tias qhov sib txawv ntawm cov xim ntawm cov khoom yas yog ib txwm muaj thiab yog ib qho teeb meem nyuaj tshaj plaws los tswj kev txhaj tshuaj molding. Kev daws qhov teeb meem no yog ib txoj haujlwm tsim nyog uas yuav tsum muaj kev tswj hwm ntawm txhua theem ntawm kev txhaj tshuaj molding kom ua tiav kev txhim kho zoo.
Kev sib xyaw xim thiab kev daws teeb meem
Yog tias pom qhov sib txawv ntawm cov xim tshwm sim hauv cov cheeb tsam hauv cheeb tsam ntawm qhov chaw ntawm cov yas los yog ntawm qhov chaw uas cov dej ntws hloov pauv, qhov tshwm sim no hu ua xim sib xyaw, raws li pom hauv daim duab hauv qab no.
Kev sib xyaw xim tuaj yeem tshwm sim los ntawm ntau yam, xws li kev sib txawv ntawm cov hmoov xim tsis sib xws thaum txhaj tshuaj molding (tsis zoo sib xws), lub thoob tsis huv, muaj cov xim ntawm lwm cov xim hauv cov ntaub ntawv raw, cov khoom siv tsis ruaj khov, thiab cov yas tsis zoo. Cov laj thawj tshwj xeeb thiab cov kev daws teeb meem muaj nyob hauv cov lus hauv qab no.
Ua rau thiab daws cov xim sib xyaw
| # | Ua rau Analysis | Kev daws/kev kho mob |
|---|---|---|
| 1 | Plastication tsis zoo | Txhim kho plastication mob, nce rov qab siab thiab ceev ceev |
| 2 | Tsis txaus ziab ntawm cov xim masterbatch | Re- Qhuav lub masterbatch (ua raws li xim masterbatch kom qhuav cov lus qhia) |
| 3 | Melt kub tsawg dhau | Ua kom lub taub hau kub, ntsia hlau kub, thiab lub taub hau kub |
| 4 | Cov khoom tsis huv huv (muaj lwm cov xim) | Ntxuav lub thoob / ntsia hlau kom huv si (siv cov khoom siv tu lossis cov khoom qub) |
| 5 | Cov khoom daig thaum ntsia hlau retraction, ua rau hlawv | Kho lossis hloov lub nplhaib kos (tsis yog- rov qab valve), haum lub hau ntswj thiab lub thoob kom zoo |
| 6 | Ntxiv me me toner/masterbatch ntxiv | |
| 7 | Tsis zoo compatibility ntawm toner thiab raw khoom | Hloov masterbatch / toner (xaiv ib qho haum rau lub hauv paus cob) |
| 8 | Toner muaj dej ntau dhau los yog cov khoom tsis haum | Tshawb xyuas thiab hloov masterbatch / toner |
| 9 | Kos, burrs, los yog cov chaw tuag ntawm cov ntsia hlau / thoob | Ntxuav sab nrauv ntawm cov ntsia hlau / chim |