Cov kev daws kev txhaj tshuaj molding tshuab Khoom tsis xws luag

Hauv qab no yog cov kev daws teeb meem rau cov khoom lag luam uas tsis sib haum, kev hloov kho cov txheej txheem, cov khoom siv raw thiab lwm qhov ntev los muab cov peev txheej ntsuas:
1. Flash (burrs)
Core Vim li cas: pwm khi tsis nruj lossis cov yaj yog kua ntau dhau
Txheej Txheem Hloov Kho:
Txo kev txhaj tshuaj nias (10% -20}%) thiab shooting ceev kom tsis txhob puv ntau ntawm yaj ntawm yaj;
Tsim nyog txo cov paj ntoo / puab cov kub ({{{}}} degree), lub sijhawm txias kom sai li sai tau.
Txheeb xyuas cov chaw tsim hluav taws xob kom ntseeg tau tias cov khoom tsawg kawg nkaus uas yuav tsum tau ua los ntawm cov khoom siv tau mus txog (cov qauv: clampity siab yog feem ntau {} mpa {2}
Pwm Tu:
Ntxuav cov khib nyiab ntawm cov tog parting, kev kho cov tshuaj pwm lossis rov qab zom cov tog;
Tshawb xyuas seb cov pwm nruab nrab ntawm cov pwm nyob hauv parallel thiab seb lub clamping txheej txheem yog xoob (xws li coring kem, txiv ntseej, .
2.} shrinkage (shrinkage muaj kev nyuaj siab)
CORE LUB CEV: Tsis txaus ntseeg siab lossis tsis muaj cua txias
Txheej Txheem Txhim Kho:
Nce tuav siab (rau 60% {-80}}} pa nyem ({}}}}} qhov chaw tuab ntawm cov duab tuab;
Ua kom txhaj tshuaj ntim (5%-10}}%) kom tsis txhob muaj cov khoom siv tsis txaus nyob rau hauv lub thoob;
Nce pwm kub (tshwj xeeb tshaj yog txias cov dej channel tuab ntawm thaj chaw tuab) kom qeeb qeeb lub sololificate ceev.
Pwm Adjentement:
Ntxiv qhov cuab lub zog tuav lossis txo cov phab ntsa tuab ntawm cov chaw pov tseg (pom zoo phab ntsa tuab dua lossis sib npaug rau 30%);
Txhim kho cov dej txias txias kom ntseeg tau cov nplooj ntawv tuab (xws li ntxiv cov khoom siv dej cais)
Core Vim Li Cas: Tsis Zoo Qhuav Murert fluidity lossis loj puv tsis kam
Txheej Txheem Hloov Kho:
Nce chim chim (5-15 degree) thiab pwm kub ({{}}}} degree) los txhim kho lub suab paj nruag;
Ua kom muaj kev txhaj tshuaj ceev (tshwj xeeb tshaj yog cov pejxeem nrawm), nce kev txhaj tshuaj tiv thaiv (10% {%;
Ua kom yaj tau zoo suab (txhaj stroke) kom ntseeg tau tias cov ntaub ntawv ntim tau txaus los sau cov kab noj hniav .
Pwm Adjentement:
Ntug Goamp Loj (xws li kiv cua rooj vag dav dav ntxiv los ntawm 10% {%), luv luv khiav ntev;
Ntxiv kev ua paug rau qhov kawg ntawm cov pwm (qhov tob {} mm kom tsis txhob muaj pa hlau (xws li siv lub taub hau hlau (xws li cov pa roj hmab)
IV . qhov tsis xws luag
{{01. Silver Streaks (Dej Splashes, Cua Streaks)
Ua Khoom Siv Raw:
Cov ntaub ntawv Hygroscopic Qhuav (xws li PA, PC) (PX) (PA yuav tsum tau qhuav ntawm 120 teev rau {} {{2} degree);
Hloov lub taub plhaw kom lim dej kom tsis txhob sib xyaw dej los yog volatiles rau hauv cov ntaub ntawv nyoos .
Mould tso pa tawm:
Ntxuav cov blockage ntawm lub tso tawm qhov (tuaj yeem ntxuav nrog lub taub hau tooj liab lossis ultrasonic ntxuav), lossis ntxiv cov khoom siv ua tiav ntawm cov khoom molten {}}
{{02. Flow cim (txias khoom siv, weld kab)
Txheej Txheem Hloov Kho:
Nce lub thoob chim (5-10 degree) thiab puab qhov kub ({}}}} degree) los txo cov khoom muaj ntawm cov khoom siv molten;
Siv Kev Txhaj Tshuaj Ntau Theem (Cov Khoom Siv Ceev, Cov Khoom Siv Hluav Taws Xob Uas Muaj Kev Tiv Thaiv Kom Txias) kom tsis txhob ua ntej cov khoom cua txias ntawm cov khoom siv molten ntawm lub rooj vag.
Pwm Kho Kom Zoo:
Teeb ib qho txias zoo kawg ntawm tus khiav, lossis hloov kho lub rooj vag txoj haujlwm (xws li hloov ntawm ntug pinging mus rau Center pinging) .
{{03. dub me ntsis / scorch cim
Cuab Yeej Siv Ntxuav:
Ntxuav lub thoob thiab ntsia hlau tsis tu ncua (siv pp tu cov khoom rau khoob txhaj koob tshuaj no {}} Lub taub hau taub hau yuav ua rau cov khoom siv tsis sib haum;
Txo cov khoom nqus rov qab (zam dhau ntawm cov khoom siv cua sov thiab cov khoom siv cua sov ntawm cov khoom siv melting nyob rau hauv lub thoob), luv lub sij hawm melting sijhawm {}}
V . deformation / warping
Cov laj thawj ntawm cov tub ntxhais: tsis sib luag txias lossis sab hauv kev ntxhov siab
Txheej Txheem Hloov Kho:
Txo cov dej txias txias (5-10 degree), txuas ntxiv rau txhua qhov chaw ntawm cov khoom lag luam yog txias uniformly;
Txo kev tuav lub zog thiab lub sijhawm kom tsis txhob muaj cov kab ke dhau los ua rau kev ntxhov siab sab hauv .
Pwm Tsim:
Nce cov demelfling nqes hav ntawm cov khoom (pom zoo ntau dua lossis sib npaug ntawm 1 degree), zam dhau phab ntsa tuab sib txawv tsawg dua los yog sib npaug rau 3: 1);
Ntxiv los tiv thaiv tav lossis kho cov txheej txheem ejector ntawm qhov chaw ruaj khov (Ejector cheeb tsam nyiaj txiag rau ntau dua lossis sib npaug ntawm 15% ntawm qhov demoulding nto) .
VI . npuas / voids
Core Vim li cas: molten cov khoom yog nkag nrog huab cua lossis txias dhau sai
Ua Khoom Siv Raw:
Qhuav cov khoom siv raw kom txog thaum cov ntsiab lus ya raws tau raws li tus qauv (xws li ABS cov ntsiab lus noo noo tsawg dua los yog sib npaug rau lub tshuab nqus tsev rau lub tshuab ntxhua khaub ncaws tshiab rau kev dehumidification tiag tiag;
Txo cov kev faib ua feem ntawm cov khoom siv ua rov qab (pom zoo tsawg dua lossis sib npaug nrog 30%) kom zam cov khoom siv rov ua haujlwm ntawm cov ntaub ntawv ua haujlwm tsis zoo
Txheej Txheem Txhim Kho:
Txo qhov kev txhaj tshuaj nrawm (tsawg-ceev pouring nyob rau hauv thawj 1/3 ntu) kom tsis txhob muaj huab cua sov nrawm;
Nce cov pwm kub ({{10-15 degree), thiab txuas ntxiv rau kev tuav lub sijhawm los cog cov khoom molten {}}
Vii .} vuam cim (koom nrog kab)
Core Vim li cas: Ntau cov strands ntawm molten cov khoom tsis ua kom tiav thaum lawv sib sau ua ke
Txheej Txheem Hloov Kho:
Nce cov khoom kub / pwm kub ({{{}}} degree) kom ntxiv cov khoom siv ntawm cov khoom siv molten;
Siv cov khoom siv siab thiab nrawm nrawm kom paub tseeb tias cov khoom siv molten tseem nyob ntawm qhov kub thiab txias dua li 15 degree) {3 {3}
Pwm Adjentement:
Ntxiv tus thawj coj lossis caj qaum ntawm Weld Mard txoj hauj lwm txhawm rau txhim kho cov khoom siv molten convergence kaum;
Nce tus naj npawb ntawm cov rooj vag lossis kho lub rooj vag txoj hauj lwm kom txo cov khoom siv molten ntws mus deb .
8.} tsis zoo remoulding (nplaum pwm, dawb ejection)
Core Vim li cas: loj demoulding tsis kam los yog tsis tau
Pwm Tu:
Polish cov kab noj kab noj hniav saum npoo (roughness ra tsawg dua lossis sib npaug rau 0.8μm), txau cov neeg sawv cev (muaj kub siab tiv thaiv, xws li PTFE-based);
Tshawb xyuas seb cov ejector PIN yog hnav los yog daig, thiab kho tus PIN faib ua si (pom zoo ntau dua lossis sib npaug zos rau 100cm²).
Txheej Txheem Hloov Kho:
Qis dua cov pwm kub ({5-10 degree), ceev kom txias kom txo cov khoom thiab tshem tawm ntawm cov pwm;
Txuas lub sijhawm txias (5-10}} vib nas this) kom tsis txhob yuam cov khoom ua ntej nws yog kho .
9. Kev Tiv Thaiv Dav Dav Dav Hlau
Cov Khoom Siv Raw:
Tsim kom muaj cov khoom siv raw kom qhuav / cia cov qauv (xws li cov av noo<50% RH, temperature <30℃), and ensure dispersion when using masterbatch;
Thaum siv cov ntaub ntawv hloov, siv cov ntaub ntawv tshwj xeeb (xws li PS kom huv lub PC los ua kom huv si kom tsis txhob sib xyaw tov {}}
Cov txheej txheem pov thawj:
Sau cov "kev ua kom zoo tshaj plaws" (kub / siab / lub sijhawm ± 5% ntau) thaum paub meej tias nws los ntawm kev soj ntsuam thawj zaug;
Siv cov tshuaj tua pwm cov software (xws li pwm) kom kwv yees kev pheej hmoo thiab ua kom tsim qauv GATE thiab khiav tsim .
Cov Khoom Siv Kho:
Regularly calibrate temperature sensors (error ±2℃) and pressure sensors (error ±5%), check screw wear (replace when the gap is >0.1mm);
Kev ntxuav cov pa tsoos puab hineres txhua lub lim tiam thiab kuaj cov dej txias ntws txhua lub hli (pom zoo ntau dua lossis sib npaug nrog 5l / min).
Los ntawm lub kaw-lub voj tswj ntawm "Qhov chaw kaw neeg → Cov khoom siv tau zoo (xws li cov khoom siv roj ua kom zoo dua qub), nws raug nquahu kom tau kev kho kom haum rau ntawm cov ntaub ntawv kev sib tw Cov yam ntxwv .