1Ion Kev Pom Loj Duatxhaj tshuaj molding
Compression moulding yog qib siab ntawm cov tshuaj txhaj tshuaj ib txwm siv.
Lub hauv paus ntsiab lus:
Ua ntej, txhaj cov tshuaj molten mus rau hauv cov kab noj hniav pwm, thaum cov khoom siv molten nkag mus rau hauv cov pwm lub ntsws. Cov pwm qhib qhib me ntsis nyob hauv qab rab riam, thiab tom qab cov khoom siv molten tau sau rau hauv cov pwm kab noj hniav, lub pwm yas raug kaw nrog lub siab ua kom tau cov khoom xav tau. Qhov thib ob theem yog xovxwm sib sau. Vim tias cov khoom siv molten nkag mus rau hauv cov kab noj hniav thaum lub pwm tau qhib rau ib qho me me, cov kev pom zoo tuag taus yuav tsum yog me me.
Hauv cov txheej txheem molding, cov ntsia hlau tsis txhaj cov khoom mus rau hauv kab noj hniav ntawm cov pwm, tab sis cia siab rau qhov siab siab txhawm rau txhawm rau pwm pwm kom qhov kev ntxhov siab LF nias rau ntawm cov yas kom ua, yog li cov kev taw qhia ntawm cov khoom me me. thiab kev ntxhov siab sab hauv los tsawg. Txoj kev no tshwj xeeb tshaj yog tsim rau cov khoom lag luam nrog cov ntim me me thiab siab yuav tsum tau ua;
qhov zoo:
Nws tuaj yeem ua kom qhov txaus khiav ntev ntawm kev txhaj tshuaj molding ntu; txais kev ua lub zog me me clamping thiab txhaj tshuaj siab; txo qhov kev ntxhov siab sab hauv ntawm cov khoom siv; thiab txhim kho kev ua kom zoo ntxiv.
Kev txhaj tshuaj compression molding yog siv rau txhua yam khoom ua los ntawm thermoplastic engineering plastics, xws li: qhov loj-ua rau nkhaus qhov chaw, nyias-phab ntsa, qhov chaw me me, qhov tsom iav qhov muag, thiab qhov chaw nrog zoo feem cuam tshuam.
Txhaj tshuaj molding molding
Cov ntaub ntawv thov:
Raws li peb txhua tus paub, lub lens kho qhov muag yuav tsum muaj qhov sib txawv ntawm geometric muaj tseeb, qhov loj me thiab deformation me me, uas yog qhov nyuaj kom tau raws li kev txhaj tshuaj dav dav.
2Ha Kev tso tshuaj txhaj tshuaj molding
Kev tso tshuaj txhaj tshuaj pwm: lub hom phiaj ntawm" rawg" cov txheej txheem yog muab lub sijhawm rau kev nthuav dav ntawm cov hluav taws xob tsis txaus ntseeg cov khoom lag luam tsim thaum lub sijhawm polymerization solidification. Yog tias cov pa roj no tsis tuaj yeem tawm ntawm cov kab noj hniav, qhov tshwm sim yuav tsis tiav cov khoom lossis cov npuas hauv lub kaw.
Lub hauv paus ntsiab lus:
Thaum lub khob txhaj tshuaj nce mus txog 80% - 95%, qhov kev txhaj tshuaj raug ncua; lub pwm qhib kwv yees li 0.1-0.2mm kom tso tawm qhov hluav taws xob tsis hloov; pwm txhaj kaw ob zaug thiab tshuav qhov txhaj ntxiv uas txhaj tshuaj.
qhov zoo:
Vim tias kev txhaj tshuaj siab ntawm cov roj pab tau txhaj tshuaj molding qhov chaw tsawg, cov khoom siv nrog qis clamping quab yuam tuaj yeem xaiv los ua qhov loj dua.
ລໍາ ດັບ:
1. Thaum lub khob txhaj nce ntxiv txog li 80% - 95%, kev txhaj tshuaj raug ncua;
2. Qhib pwm lub pwm rau 0.1-0.2mm txhawm rau txhawm rau txhawm rau hloov pa;
3. Kaw cov pwm ob zaug thiab txhaj cov tshuaj txhaj ntxiv.
Cov ntaub ntawv thov:
Khoom: lim phaj ntawm lim xovxwm 1500x1500
Tus naj npawb ntawm acupoints: 1 tawm ntawm 1
Cov khoom siv raw: PP + 6% tpe-s (flow index 0.2 siab viscosity)
Kev txhaj tshuaj molding tshuab: bu4000 nrog 6800t cia lub tog raj kheej
Cov txheej txheem molding: compression txhaj tshuaj molding
Lub siab tawv:
Lub taub lim xovxwm tau hu rau 20 xyoo dhau los. Nws yog dav siv hauv kev lag luam hauv cov dej num thiab cov dej haus. Nws feem ntau hloov kho los ntawm polypropylene + Santoprene TPV (pib 201-50 siv ncaj qha). Peb siv los muab cov khoom siv renprene 90an-l hloov ntawm 201-87, tab sis tam sim no polypropylene + tpe-s feem ntau siv.
Lub tshuab ua khoom siv tseem ceeb yog: ib qho ntsia hlau (nruab nrog lub lauj kaub ua hnyav) + lub tshuab ua kom loj dua (tshuab pwm tsis rhaub), tib lub hau ntswj extrusion phaj khoom mus rau hauv lub lauj kaub, kwv yees tias nws xav tau 20 kg, tsuas yog 20 kg, thiab tom qab ntawd nws hoisted mus rau lub pwm ntawm cov tshuab moulding nrog lub crane, tom qab ntawd zaws, txias, thiab thaum kawg cov khoom.
3Pressure Kev txhaj tshuaj tsis tshua muaj siab txhaj tshuaj
Kev txhaj tshuaj tsis tshua muaj siab txhaj tshuaj yog cov txheej txheem ntim uas siv cov txheej txheem txhaj tshuaj tsis tshua muaj siab los txhaj cov khoom siv rau hauv cov pwm kub thiab ua kom sai sai. Nrog rau kev ua zoo tshaj plaws kev ua zoo thiab lub cev thiab tshuaj zoo ntawm cov ntaub ntawv kub, nws tuaj yeem ua tiav lub luag haujlwm ntawm rwb thaiv tsev, tiv thaiv kub, cuam tshuam kev cuam tshuam, kev txo qis kev co, ya raws-pov thawj, dej-pov thawj, hmoov av-pov thawj, tshuaj lom neeg ua hauj, thiab lwm yam, thiab ua lub luag haujlwm zoo hauv kev tiv thaiv cov khoom siv hluav taws xob.
Pwm tsim ntawm kev kub siab txhaj tshuaj moulding
Lub hauv paus ntsiab lus:
Kev txhaj tshuaj molding cov txheej txheem yog ib hom kev ntim khoom uas siv cov txheej txheem txhaj tshuaj txhaj rau kub txhaj cov khoom siv rau hauv cov pwm thiab ua kom ruaj khov. Nrog rau cov cuab yeej zoo tshaj plaws txig thiab cov khoom siv zoo thiab lub cev zoo ntawm cov khoom siv kub, nws tuaj yeem ua tiav cov kev cuam tshuam ntawm rwb thaiv tsev, tiv thaiv kub, poob siab tsis kam, poob siab kev co, noo noo-pov thawj, tiv thaiv dej, hmoov av-pov thawj thiab tshuaj lom neeg kuj. Nws yog lub luag haujlwm zoo hauv kev tiv thaiv cov khoom hluav taws xob tiv thaiv.
qhov zoo:
Cov khoom siv nqi ntawm kev txhaj tshuaj tsis tshua muaj siab txhaj tshuaj molding cov txheej txheem muaj feem tsawg;
Cov kev paub ntawm cov tawv, ntoo, ntaub fiber ntau, PVC / TPO / pur zoo nkauj zaj duab xis yuav tsum muaj qis dua
4Cov roj pab txhaj tshuaj molding
Daim duab cai ntawm cov khoom siv roj pab txhaj tshuaj moulding
Txheej txheem GAIM:
Txoj kev txhaj tshuaj ib qib (ib nrab) - ntu kev nce nqi (N2) - roj tuav theem (qhov cua txias tsis txaus) - decompression theem - theem tsis muaj kev cuam tshuam
GAIM ntaus ntawv muaj pes tsawg leeg:
Roj siab siv lub tshuab tsim hluav taws xob, roj tswj kev ntsuas roj, twj tso kua roj, twj tso kua roj rov qab
qhov zoo:
Ntu txhaj tshuaj molding tshuab muaj ntau qhov ua tsis tau zoo. Nws tsis tsuas yog txo cov kev tsim khoom ntawm cov khoom lag luam yas, tab sis tseem txhim kho qee lub zog. Thaum cov ntu tuaj yeem ua tau zoo ib yam siv cov khoom siv, cov roj ntsig kev txhaj tshuaj tuaj yeem txuag cov khoom siv yas, thiab qhov txuag tau tuaj yeem siab txog li 50%. Ntawm qhov one tes, qhov kev txo qis ntawm cov khoom nyoos yas yuav nqa tag nrho lub voj voog molding lub sijhawm Txo ntawm;
5、 Dej pab txhaj tshuaj molding
Dej pab txhaj tshuaj moulding (WAIM) yog cov txheej txheem txhaj tshuaj maus taus, nyob rau hauv qhov chaw ntawm cov yaj yog txhaj rau cov pwm kab noj hniav thiab cov dej siab tau txhaj rau hauv cov yaj ntawm cov cuab yeej siv.
qhov zoo:
Vim tias qhov dej tsis haum, qhov tsis sib txig sib xyaw yog tsim rau ntawm qhov kawg ntawm dej, thiab sab hauv phab ntsa ntawm cov khoom yog extruded rau hauv kab noj hniav. Nyob rau tib lub sijhawm, pem hauv ntej kawg ntawm dej kuj tseem ua lub luag haujlwm ntawm lub zog txias sai. Yog li, cov khoom siv dej muaj ntau yam zoo uas cov khoom siv roj tuaj yeem yog' t piv nrog. Kev tshawb nrhiav thiab daim ntawv thov pom tias cov khoom siv pabcuam dej tuaj yeem ua rau cov kab noj hniav ntau thiab ntau yam zoo ib yam, thiab
