Dab tsi yuav tsum tau them nyiaj rau thaum kho lub teb kub tsis sib xws ntawm ntau hom kev txhaj tshuaj molding tshuab?

Ntau hom kev txhaj tshuaj molding tshuab sib txawv hauv kev tsim qauv txheej txheem, daim ntawv ntsia hlau, cua sov thiab cov xwm txheej cua sov thiab daim ntawv thov cua. Thaum kho tau lub teb chaws txias tsis txaus, nws yog qhov tsim nyog los ua kom zoo rau lawv ua ke nrog cov yam ntxwv ntawm cov khoom siv. Cov hauv qab no yog qhov kev ceev faj rau kev hloov kho qhov kub ntawm lub ntsiab ntawm kev txhaj tshuaj molding tshuab:
1. Kev faib tawm los ntawm hom qauv hom (kab rov tav \/ ntsug \/ txoj cai-lub kaum ntse ntse txhaj molding tshuab)
1. Kab rov tav txhaj tshuaj molding tshuab (feem ntau siv)
Nta: Lub hau ntswj yog muab tso rau kab rov tav, thiab cov thoob khib nyiab piv (L \/ D) feem ntau yog 18 ~ 22, uas haum rau feem ntau cov teeb cig xaim hluav taws xob.
Nco ntsoov txog qhov ntsuas kub hloov kho:
Segmented Kub Gritient: Qhov ntsuas kub ntawm cov ntu pub mis (kom tsis txhob swb ntawm cov chaw nres nkoj (kom tsis txhob muaj qhov chaw tso tawm)
Cov khoom siv ua thermosensitive (xws li PVC): qhov ntsuas kub ntawm ntu ntawm tus Tsov tus tw ntawm tus Tsov tus tw (cov kab rov tav kub muaj qhov ntev ntswj thiab muaj zog shearing nyhuv).
Cov ntaub ntawv pob tshab (xws li PC): Lub Nozzle kub yog 5 ~ 10 Qib Siab dua ntu ntawm obtooj ntawm lub nozzle thiab tsis txhob muaj nplaim taws.
2. Ntsug Txhaj Molding Tshuab (feem ntau yog siv rau qhov chaw me me thiab ntxig moulding)
Nta: Cov ntsia hlau yog ntsug nce mus rau sab nraud, haum rau ntau cov ntxig thiab cov khoom siv me me, thiab cov ntaub ntawv nyoos yog tau khaws cia.
Nco ntsoov txog qhov ntsuas kub hloov kho:
Tiv thaiv kev tawm hauv qab ntawm lub thoob: qhov kub ntawm cov ntawv pub mis yuav tsum tsis txhob ua kom muaj kev ua kom zoo nkauj rau hauv qab ntawm lub thoob, ua rau cov khoom tawg.
Cov xim nrawm hloov \/ cov khoom hloov: Vim yog cov khoom siv me me ntawm cov khoom siv uas yuav tsum hloov pauv, thiab txo qhov kev pheej hmoo ntawm cov xim sib xyaw \/ decomposition.
Cov khoom lag luam nyias nyias: Lub nozzle kub tuaj yeem nce los ntawm 10 ~ 15 degree kom them nyiaj rau kev txhaj tshuaj thiab tsis txhob muab cov khoom tsis txaus.
3. Txoj cai siv lub tshuab txhaj tshuaj (kab rov tav kev ntsug txhaj tshuaj, feem ntau siv rau kev txhaj tshuaj ntawm pwm)
Nta: Qhov kev taw qhia no sib txuas mus rau cov khoom lag luam pwm, haum rau peb-phaj pwm, thiab lub rooj sib tham ntev, thiab ntev yaj npau npau.
Nco ntsoov txog qhov ntsuas kub hloov kho:
Nozzle ntsuas kub: Vim tias muaj ntau qhov hloov thiab tsis kam nyob rau hauv cov kab rov tav, kom paub meej tias cov kab rov tav kom ntseeg tau tias ntawm txoj cai-lub ntsej muag ntws.
Pwm kub sib txuam: Lub thoob txwv kub xav tau kom phim cov pwm kub (xws li kub khiav ua ntej ntawm cov neeg khiav dej khov, ua rau cov khoom siv txias.
2. Kev faib tawm los ntawm cov ntsia hlau ntaus (tib ntsia hlau \/ ntxaib ntsia hlau \/ Plunger Txhaj Molding tshuab)
1. Ib Ntsia Hlau Txhaj Molding Tshuab (Feem Ntau Yam)
Nta: Yas yooj yim yog ua raws ntsia ntsia hlau tig, muab faib ua cov hom hluas (crystallization khoom xws li PE, PP) screws.
Nco ntsoov txog qhov ntsuas kub hloov kho:
Cov ntiv tes zuj zus (ntu ntev ua ke tuaj yeem tsim kom muaj kev sib tsoo (xws li 5 ~ 10 DEGREEN DEFING yog siv los pab Yas. Qhov kub ntawm lub metering ntu ntawm crystallized cov khoom siv (xws li PA) xav tau 20 ~ 30 degree saum toj no melting point.
Ntu ntsia hlau tam sim no (luv luv ntawm cov ntaub ntawv pub kub)
2. Twin-ntsia hlau Txhaj Molding Siv Lub Tshuab (feem ntau yog siv rau cov khoom siv thiab engineering)
Nta: ntxaib-ntsia hlau meshing sib xyaw, muaj zog shear zog, sib xyaw ua ke, haum rau iav fiber ntau ntxiv thiab masterbatch dispersion.
Nco ntsoov txog qhov ntsuas kub hloov kho:
Kev Them Nyiaj Tshav Kub Kub Thaum Tshav Kub Kub: vim muaj qhov sib tw sib luag ntawm lub tshuab ntsia hlau (xws li PC ntawm 300 degree) kom tsis txhob muaj kev kub ntxhov thiab kev txiav txim siab ntawm cov yaj.
Tsawg kub hauv ntu pub mis: Khaws cov seem pub rau kub tshaj qhov qis dua ntawm cov khoom noj khoom haus (xws li 180 degree rau cov khoom siv tsiaj (xws li 180 degree rau cov khoom noj khoom me me los tiv thaiv ntawm lub hau ntswj duab hau).
Lub ntsuas kub tas li nyob rau hauv ntu ntu: Qhov ntsuas kub hloov tshiab ntawm ntu ntawm cov khoom siv (ua yuam kev ± 5 degree) kom ntseeg tau metable viscosity.
3. Cov Khoom Siv Txhaj Tshuaj Molding Tshuab (tsis muaj ntsia hlau, cov khoom qub, rau cov khoom siv viscosity tsawg)
Nta: Relying ntawm plunger kom thawb cov khoom siv, kev siv taus tsis zoo, tuav tseg yooj yim ntawm melt, tsis sib luag.
Nco ntsoov txog qhov ntsuas kub hloov kho:
Zam kev overheating hauv zos: qhov ntsuas kub ntawm lub thoob dej (ze rau ntawm lub taub hau (ze li ntawm seem sib txhuam kom txo cov khoom siv (xws li PVC muab kub tsis tshaj 190 degree).
Kev txhaj tshuaj ceev: Vim tias qhov kev ziab tau yooj yim, lub nozzle kub yuav tsum tau nce los ntawm 10 ~ 20 degree (20 degree) kom them rau cov khoom cua sov
Cov Khoom Siv Tu: Ua Ntej Txhua Qhov Kev Tso Tawm, Txo Qhov Chaw Yooj Yim Rau Hauv Qab Cov Khoom Siv (xws li PMMA txog rau cov khoom siv raw los tiv thaiv cov khoom ntawm carbon monoxal)
3. Kev faib tawm los ntawm clamping yuam \/ specification (me me \/ nruab nrab \/ loj txhaj tshuaj molding tshuab)
1. Kev txhaj tshuaj me me molding tshuab (clamping yuam<500 tons, such as desktop machine)
Nta: Cov thoob chim ntim me me (tsawg dua lossis sib npaug nrog 50cm³), cua sov nrawm nroos, thiab loj kub hloov pauv.
Nco ntsoov txog qhov ntsuas kub hloov kho:
Teem cov qis dua ntawm qhov ntsuas kub: Teeb raws qhov qis dua ntawm cov khoom siv (xws li PP teeb tsa rau lub zog ntawm cov cua sov ntawm cov cua sov hauv lub thoob.
Lub sijhawm txias them: cua txias yog qhov yuav tsum tau ntawm lub nraub qaum (xws li agglomerating thiab agromerating nyob rau hauv lub plhaw kub qis dua los yog sib npaug rau 170 degree).
2. Kev Txhaj Tshuaj Loj Moulding Tshuab (clamping yuam> 2000 tons, siv rau cov khoom loj)
Nta: Ntev thoob (L \/ D ntau dua lossis sib npaug zos rau 24), ntau ntu cua sov (5 ~ ntu), kev faib tawm tsis xwm yeem.
Nco ntsoov txog qhov ntsuas kub hloov kho:
Seem kho kom zoo dua: Teeb ntu txhua 20 ~ 30cm raws li qhov ntev ntev, thiab 240 degree (xws li cov yaj tau hais tias cov melt yog tus yaum kom cov txheej txheem.
Rov qab-xaus rwb thaiv tsev: Txhim kho lub tes tsho rwb thaiv tsev kom tsis txhob muaj cov dej sov so los ntawm PE Pub Siab Tshaj ntawd ntawm cov ntsia hlau ib zaug).
Melt kub ntsuas: Siv ib qho ntxig thermocouple los ntsuas cov ntsia hlau me me nyob hauv nruab nrab ntawm lub taub hau (ntu 3)
4. Kev faib tawm los ntawm cov qauv cua sov (tsis kam hom \/ tej yam sib cav \/ hluav taws xob hom \/ electromagnetic induction hom)
1. Tiv Thaiv Cua Kub (Feem Ntau)
Nta: Lub cua sov chev qhwv lub thoob, muaj cov cua sov loj condalia, qeeb (txog 30 feeb), thiab qhov sib txawv ntawm ± 10 degree.
Cov Lus Cim Txog Kev Ntsuas Kub:
Preheating ua ntej: Pib lub tshuab 1 teev ua ntej ua ntej ntau lawm, thiab hom phiaj kub ntawm txhua ntu kom tsis txhob hlawv cov cua sov raj vim tias kub cua sov.
Kev Kho Mob Txias: Lub barrel kub yuav poob los ntawm 5 ~ 15 degree tom qab txhaj tshuaj, thiab qhov ntsuas kub yuav tsum tau nce los ntawm 5 qib, kev tswj hwm yog qhov tseeb yog 295 ~ 305 degree).
2. Cua sov (muaj zog hom)
Nta: Kev kub nyhav highnerciency, cov lus teb ceev ceev (cua sov yog txo los ntawm 50%), thiab niaj hnub sib xws kub.
Cov Lus Cim Txog Kev Ntsuas Kub:
Kev tsim kho txheej txheem: Cov PID tsis muaj kev tswj hwm qhov kub thiab txias rau overshoot vim tias kub ceev ntau dhau 10 degree).
Zam tsis muaj-thau khoom cua sov: thaum tsis muaj cov khoom siv nyob hauv cov thoob, cua sov yuav tsum tsis pub dhau 50% ntawm cov khoom siv hluav taws xob (xws li tsis muaj cov khaub noom txias (xws li tsis muaj cov khaub noom txias
3. Electromagnetic Induction Cua Sov (Qib Siab)
Nta: Cov cua sov yog tsim los ntawm induction hlau, cua sov yog cov khoom siv, txuag hluav taws xob yog ntau dua 30%, thiab ntsuas qhov ntsuas kub.
Cov Lus Cim Txog Kev Ntsuas Kub:
Match cov ntaub ntawv: Yog tias cov ntsia hlau yog hlau nplaum (cov khoom siv kub yuav tsum tau txo qis ntawm phab ntsa sab hauv ntawm lub thoob, thiab nruab nrab ntawm cov ntsia hlau ua kom sov maj mam).
Zam Barrel Dai: So cov carbonized txheej ntawm sab hauv phab ntsa ntawm lub thoob tsis tu ncua (ib zaug li kev tu nrog tus neeg saib xyuas tu ua ntej ua yeeb yam).
V. TSHWJ XEEB HOM MOLDING MACHINE (Precision \/ Kev Kub Ceev \/ Ntau Cov Khoom \/ Kub Khiav)
1.
Nco ntsoov txog qhov ntsuas kub hloov kho:
Qhov ntsuas kub ntawm tag nrho seem yog tsawg dua lossis sib npaug: Qhov sib txawv ntawm lub ntsuas ntsuas (xws li kev sib txawv ntawm lub 12)
Barrel insuring txheej txheej: ntxiv rwb thaiv tsev rwb thaiv tsev (xws li sib npaug ntawm qhov kub thiab txias (xws li kev sib npaug ntawm chav dej kub uas yog lossis kub thiab txias rau qhov kub thiab txias<3℃).
2. Lub siab ceev txhaj tshuaj molding tshuab (nyias-phab ntsa khoom, xws li cov thawv noj su)
Kev hloov kho qhov kub thiab txias:
Supercritical cua sov: qhov ntsuas kub ntawm lub metering ntu yog 15 ~ 20 Qib Siab Tshaj Plaws yog siv cov cua sov li ntawm qhov kub thiab txias (xws li cov cua sov shock), thiab ua tiav cov khoom siv nrawm nrawm.
Nozle cua sov lub hwj chim: lub nplhaib ywj siab (lub zog sib luag<±5℃) to avoid drawing or cold materials.
3. Multi-khoom txhaj tshuaj molding tshuab (ob-xim \/ peb-xim molding)
Kev hloov kho qhov kub thiab txias:
Tau tshaj cov ntaub ntawv sib txawv: qhov ntsuas kub ntawm lub ntsiab kev txhaj tshuaj rooj thib 290 degree, nws yog ib qho tsim nyog los tshawb xyuas seb qhov chaw sib kis tau tawg).
Hloov kev txhaj tshuaj tiv thaiv: Thaum lub rooj tua hluav taws tsis ua haujlwm, xws li lub rooj muag khoom kub ntawm lub rooj zaum ntawm lub rooj zaum ntawm cov khoom siv sijhawm ntev.
4. Kub Khiav Txhaj Tshuaj Molding Tshuab (Tsis Muaj Khib Nyiab)
CEEB TOOM TXOG:
Khiav phaj thiab chomel synchronization yuav tsum tau yog 5 ~ 10 degree), them nyiaj rau kev khiav tshav kub dissipation, thiab zam kev khiav tawm ntawm tshav kub dissipation, thiab tsis txhob muaj cov cua sov ntawm lub rooj vag.
Thermocouple txoj haujlwm: Lub Chreel ntsuas kub siab xav tau kom ze rau lub nozzle (nrug tsawg dua lossis sib npaug ntawm 5cm) kom ntseeg tau tias qhov kub thiab kub ua kom zoo sib xws (txawv<±3℃) to prevent cold material from clogging the gate.
VI. Kev Ceev Kev Ceev Siab
Cov khoom siv tau: Thaum hloov cov ntaub ntawv, muaj qhov kub thiab txias tau raws li cov khoom siv tshiab (xws li hloov pauv ntawm 200 degree) kom huv si).
Ntsia thawv hnav them nyiaj: rau cov screads qub (nrog cov ntsaws ruaj khov sib xws), rau cov screl uas tau siv ntau dua 3 xyoos, lub ntsuas kub tau hloov kho los ntawm 190 Qib rau 200 degree).
Ambient kub kho qhov kub: nyob rau hauv lub caij ntuj no, qhov kub ntawm txhua ntu yuav tsum tau nce los ntawm 220 degree kom tau muab txo los ntawm 21} Tuaj yeem raug txo los ntawm kev hloov pauv ntawm sab qaum teb nyob rau hauv cov khoom sib txawv hauv cov cuab yeej ua cua sov.
Lub ntsiab
Qhov tseem ceeb ntawm kev hloov pauv ntawm ntau hom kev txhaj tshuaj molding cov qauv khoom siv (cov khoom siv cua ntswj \/ thermal rhiab) thiab cov khoom lag luam (precision \/ phab ntsa tuab). Thaum kho tau, koj yuav tsum tau ua ntej cov khoom siv, xa mus rau cov khoom siv tsis zoo (5 ~ 10 Dag tau cov khoom siv tsis zoo (5 ~ 10 Flow, thiab tsis muaj kev phom sij.