Kev txhaj tshuaj molding txheej txheem parameters ntawm cov yas
Tso lus
1, High density polyethylene
(HDPE) chim kub noj cheeb tsam 30 ~ 50 degree (50 degree)
Thaj tsam 1 160 ~ 250 degree (200 degree)
Thaj tsam 2 200 ~ 300 degree (210 degree)
Thaj tsam 3 220 ~ 300 degree (230 degree)
Thaj tsam 4 220 ~ 300 degree (240 degree)
Thaj tsam 5 220 ~ 300 degree (240 degree)
Nozzle 220 ~ 300 degree (240 degree)
Qhov ntsuas kub hauv cov hlua khi tau pom zoo raws li qhov tsim nyog tus nqi, kev siv cov hlab ntsha tawg yog 35 feem pua thiab 65 feem pua, thiab qhov piv ntawm qhov ntsuas qhov ntev ntawm phab ntsa thickness yog 50: 1 txog 100: 1.
Melt kub 220 ~ 280 degree
Qhov kub tsis tu ncua ntawm cov khoom thoob 220 degree
Pwm kub 20 ~ 60 degree
Kev txhaj tshuaj siab muaj qhov ua tau zoo txaus, zam kev siv cov tshuaj ntau dhau ntawm 80 ~ 140MPa (800 ~ 1400bar);
Tsuas yog qee lub thawv ntim cov thawv ntim nyias nyias, uas tuaj yeem ncav cuag 180MPa (1800bar), qhov kev poob qis yog qhov siab, thiab nws yuav siv sijhawm ntev los tswj lub siab ntawm cov khoom. Dimensional raug yog qhov tseem ceeb, uas yog kwv yees li 30 feem pua ~ 60 feem pua ntawm kev txhaj tshuaj siab
Rov qab siab 5 ~ 20MPa (50 ~ 200bar); Qhov twg lub nraub qaum qis dhau lawm, nws yog ib qho yooj yim ua rau cov khoom hnyav thiab dispersion
Kev txhaj tshuaj ceev yuav tsum tau txhaj tshuaj ceev rau cov ntim ntim ntim nyias nyias, thiab kev txhaj tshuaj nruab nrab feem ntau haum rau lwm hom khoom yas
Cov ntsia hlau siab ceev (linear ceev 1.3m / s) raug tso cai, tsuav yog cov txheej txheem plasticizing tiav ua ntej lub sijhawm txias; Qhov xav tau torque ntawm cov ntsia hlau yog tsawg
Metering stroke 0.5 ~ 4D (tsawg kawg ~ siab tshaj); Nws yog ib qho tseem ceeb uas ntsuas stroke ntawm 4D muab sijhawm nyob txaus rau cov hlau molten
Tus nqi seem yog 2 ~ 8 hli, nyob ntawm qhov ntsuas ntsuas thiab lub taub hau ntsia hlau
Tsis tas yuav tsum tau ua ntej ziab; Yog tias qhov chaw cia khoom tsis zoo, nws tuaj yeem qhuav ntawm 80 degree rau 1h
Tus nqi rov qab tuaj yeem ncav cuag 100 feem pua
Shrinkage 1.2 ~ 2.5 feem pua; Yooj yim rau twist; High degree ntawm shrinkage; Tsis muaj shrinkage ntxiv tom qab 24h (shrinkage tom qab molding)
Point qhov rooj ntawm qhov rooj system; Rhaub kub khiav, insulated kub khiav, puab lub tes tsho casting; Qhov chaw hla ntu yog me me, uas yog txaus rau cov khoom seem nyias
Tsis tas yuav siv lwm yam khoom siv rau kev tu tshwj xeeb thaum lub sijhawm ua haujlwm ntawm lub tshuab; PE kub sawv kuj
Txheem ntsia hlau ntawm cov khoom siv thoob, txheem peb-theem ntsia hlau; Rau cov khoom ntim ntim khoom, cov duab geometric ntawm qhov sib xyaw thiab ntu ntu yog tshwj xeeb (L: D=25: 1), ncaj nozzle, kos valve
2, Polypropylene (PP)
Barrel kub noj cheeb tsam 30 ~ 50 degree (50 degree)
Thaj tsam 1 160 ~ 250 degree (200 degree)
Thaj tsam 2 200 ~ 300 degree (220 degree)
Thaj tsam 3 220 ~ 300 degree (240 degree)
Thaj tsam 4 220 ~ 300 degree (240 degree)
Thaj tsam 5 220 ~ 300 degree (240 degree)
Nozzle 220 ~ 300 degree (240 degree)
Qhov ntsuas kub hauv cov hlua khi tau pom zoo raws li qhov tsim nyog tus nqi, kev siv cov hlab ntsha tawg yog 35 feem pua thiab 65 feem pua, thiab qhov piv ntawm qhov ntsuas qhov ntev ntawm phab ntsa thickness yog 50: 1 txog 100: 1.
Melt kub 220 ~ 280 degree
Qhov kub tsis tu ncua ntawm cov khoom thoob 220 degree
Pwm kub 20 ~ 70 degree
Kev txhaj tshuaj siab muaj qhov ua tau zoo txaus, zam kev siv cov tshuaj ntau dhau ntawm 80 ~ 140MPa (800 ~ 1400bar);
Tsuas yog qee lub thawv ntim cov thawv ntim nyias nyias, lub siab tuav lub siab ntawm 180MPa (1800bar) tuaj yeem ncav cuag kom tsis txhob muaj cov khoom siv phab ntsa shrinkage, thiab nws yuav siv sij hawm ntev los tswj lub siab ntawm cov khoom (kwv yees li 30 feem pua ntawm lub sij hawm voj voog); Txog 30 feem pua ~ 60 feem pua ntawm kev txhaj tshuaj
Rov qab siab 5 ~ 20MPa (50 ~ 200bar)
Kev txhaj tshuaj ceev yuav tsum tau txhaj tshuaj ceev (nrog accumulator) rau nyias-walled ntim ntim; Kev txhaj tshuaj nruab nrab yog feem ntau haum rau lwm hom khoom yas. Cov ntsia hlau siab ceev (linear ceev yog 1.3m / s) tau tso cai, tsuav yog cov txheej txheem plasticizing tiav ua ntej kawg ntawm lub sijhawm txias
Metering stroke 0.5 ~ 4D (tsawg kawg ~ siab tshaj); Nws yog ib qho tseem ceeb uas ntsuas stroke ntawm 4D muab sijhawm nyob txaus rau cov hlau molten
Tus nqi ntawm cov khoom seem yog 2 ~ 8 hli, uas nyob ntawm qhov ntsuas ntsuas thiab cov ntsia hlau ceev thiab tsis tas yuav ziab ua ntej; Yog tias qhov chaw cia khoom tsis zoo, nws tuaj yeem qhuav ntawm 80 degree rau 1h
Tus nqi rov qab tuaj yeem ncav cuag 100 feem pua
Shrinkage 1.2 ~ 2.5 feem pua; High degree ntawm shrinkage; Tsis muaj shrinkage ntxiv tom qab 24h (shrinkage tom qab molding)
Point rooj vag los yog ntau lub rooj vag ntawm lub rooj vag system; Rhaub kub khiav, insulated kub khiav, puab lub tes tsho casting; Lub rooj vag txoj hauj lwm yog nyob rau ntawm qhov thickest point ntawm cov khoom, txwv tsis pub loj shrinkage yuav tshwm sim
Tsis tas yuav siv lwm yam khoom siv rau kev tu tshwj xeeb thaum lub sijhawm ua haujlwm ntawm lub tshuab; PP kub-resistant chim khoom txheem ntsia hlau, txheem peb-theem ntsia hlau; Rau cov khoom ntim ntim khoom, cov duab geometric ntawm cov khoom sib xyaw thiab ntu ntu yog tshwj xeeb (L: D=25: 1), ncaj nozzle, kos valve
3, Polystyrene (PS)
Barrel kub noj cheeb tsam 30 ~ 50 degree (50 degree)
Thaj tsam 1 160 ~ 250 degree (200 degree) Zone 2 200 ~ 300 degree (210 degree)
Thaj tsam 3 220 ~ 300 degree (230 degree)
Thaj tsam 4 220 ~ 300 degree (230 degree)
Thaj tsam 5 220 ~ 300 degree (230 degree)
Nozzle 220 ~ 300 degree (230 degree)
Qhov kub nyob rau hauv brackets yog pom zoo raws li tus nqi pib. Kev siv tus mob stroke yog 35 feem pua thiab 65 feem pua. Qhov piv ntawm module ntws ntev mus rau phab ntsa thickness yog 50: 1 rau 100: 1. Lub melting kub yog 220 ~ 280 degree
Qhov kub tsis tu ncua ntawm cov khoom thoob 220 degree
Kev txhaj tshuaj siab ntawm pwm kub ntawm 15 ~ 50 degree muaj kev ua haujlwm zoo. Tsis txhob siv kev txhaj tshuaj siab dhau ntawm 80 ~ 140MPa (800 ~ 1400bar) kom tswj tau qhov siab
30% ~ 60 feem pua ntawm kev txhaj tshuaj siab; Tsawg zog tuav lub sij hawm
Rov qab siab 5 ~ 10MPa (50 ~ 100bar); Nyob rau hauv qhov chaw uas lub nraub qaum qis dhau lawm, npuas yog ib qho yooj yim rau hauv cov khoom molten (muaj cov kab grey thiab dub hauv cov khoom)
Kev txhaj tshuaj nrawm yog feem ntau nrawm, thiab ntau theem kev txhaj tshuaj yog raws li cov duab ntawm cov khoom; Nyias-walled ntim ntim yuav tsum ceev li sai tau. Yog tias tsim nyog, nws raug tso cai siv cov ntsia hlau accumulator nrog cov ntsia hlau siab ceev (qhov siab tshaj plaws linear ceev yog 1.3m / s); Txawm li cas los xij, txhawm rau ua tiav cov txiaj ntsig zoo, cov txheej txheem plasticizing yuav tsum qeeb raws li lub sijhawm txias
Metering stroke 0.5 ~ 4D (tsawg kawg ~ siab tshaj); Nws yog ib qho tseem ceeb uas ntsuas stroke ntawm 4D muab sijhawm nyob txaus rau cov hlau molten
Tus nqi ntawm cov khoom seem yog 2 ~ 8 hli, uas nyob ntawm qhov ntsuas ntsuas thiab cov ntsia hlau ceev thiab tsis tas yuav ziab ua ntej; Yog tias qhov chaw cia khoom tsis zoo, nws tuaj yeem qhuav ntawm 80 degree rau 1h
Tus nqi rov qab tuaj yeem ncav cuag 100 feem pua
Shrinkage {{0}}.3 feem pua ~ 0.6 feem pua
Point qhov rooj ntawm qhov rooj system; Rhaub kub khiav, insulated kub khiav, puab lub tes tsho casting; Tus ntoo khaub lig me me yog txaus rau lub tshuab downtime yam tsis muaj kev tu tshwj xeeb nrog rau lwm cov ntaub ntawv; PS kub nce kuj
Cov khoom siv txheem txheem ntsia hlau, ncaj nozzle, kos valve
4, Polyvinyl chloride - unplasticized (PVC-U)
Barrel kub noj cheeb tsam 30 ~ 50 degree (50 degree)
Thaj tsam 1 140 ~ 160 degree (150 degree)
Thaj tsam 2 165 - 180 degree (170 degree)
Thaj tsam 3 180 ~ 210 degree (190 degree)
Thaj tsam 4 180 ~ 210 degree (200 degree)
Thaj tsam 5 180 ~ 210 degree (200 degree)
Nozzle 180 ~ 210 degree (200 degree)
Qhov kub nyob rau hauv brackets yog pom zoo raws li tus nqi pib. Kev siv tus mob stroke yog 35 feem pua thiab 65 feem pua. Qhov piv ntawm module ntws ntev mus rau phab ntsa thickness yog 50: 1 rau 100: 1. Lub melting kub yog 210 ~ 220 degree. Lub qhov cub kub yog 120 degree
Pwm kub 30 ~ 60 degree
Txhaj siab 80 ~ 160MPa (800 ~ 1600bar)
Lub siab tuav lub siab tsis tuaj yeem teeb tsa siab dhau, 40 ~ 60 feem pua ntawm kev txhaj tshuaj siab, raws li cov pwm thiab lub rooj vag
Nyob rau hauv kev pom ntawm nws cov thermal rhiab heev, nws yog ib qho tseem ceeb kom teem lub nraub qaum kom raug; Cov cua sov uas tsim los ntawm cov ntsia hlau tig kev sib txhuam (kaw lub tshav kub input tswj) yog zoo dua li cov cua sov uas tsim los ntawm lub thoob cua sov lub nplhaib; Rov qab siab yuav tsum tsis pub tshaj 30MPa (300bar)
Tsis txhob teem qhov kev txhaj tshuaj ceev heev thiab ceev faj ntawm cov nyhuv shear ntawm cov khoom; Multi-theem txhaj tshuaj ceev yog tsim nyog kiag li qhov twg cov khoom yog nquag denaturation los yog ntse npoo
Cov ntsia hlau ceev yuav tsum yog qhov qis tshaj qhov tso cai, thiab qhov siab tshaj plaws yuav tsum tau hloov mus rau hauv kab nrawm ntawm {{0}}.2m / s; Yog tias tsim nyog, ncua lub plasticization los xyuas kom meej tias lub metering kev ua haujlwm tuaj yeem ua tiav ua ntej lub sijhawm txias txias ntawm cov ntsia hlau qis thaum lub sijhawm txias txias; Yuav tsum muaj lub siab torque thiab tswj cov kev ntsuas tsis sib xws ntawm 1.0 ~ 3.5D
Cov nyiaj seem yuav tsum yog me me: 1 ~ 5mm, nyob ntawm qhov ntsuas ntsuas thiab lub taub hau ntsia hlau; Cov ntsia hlau ua kom qhov tsawg kawg nkaus haum thaum txhim kho lub chim
Yog tias qhov chaw cia khoom ntawm kev ziab ua ntej tsis zoo, tus nqi rov qab tuaj yeem tau tom qab ziab ntawm 70 degree rau 1h, thiab cov khoom siv tuaj yeem rov ua dua yam tsis muaj thermal decomposition.
Lub shrinkage tus nqi yog {{0}}.5 feem pua ~ 0.7 feem pua, lub rooj vag system yog ncaj rooj vag, thiab lub rooj vag hlais los yog round rooj vag yog zoo dua, thiab lub rooj vag taw tes kuj siv tau rau cov khoom me me; Lub rooj vag yuav tsum muaj kev hloov pauv mus rau qhov kev taw qhia ntawm cov khoom
Tua lub cua sov thaum lub sij hawm kaw lub tshuab, plasticize tsis muaj rov qab siab, cia cov khoom molten ntws rau 2 ~ 3 hli, thiab ces khiav lub tshuab maj mam zoo li ib tug extruder; Rov ua haujlwm kom txog thaum lub thoob kub poob mus rau 160 degree, ces extrude cov khoom seem thiab ntim lub thoob.
Rigid PVC ntsia hlau ntawm cov khoom siv chim; Qee cov ntaub ntawv yuav tsum tau muab cov cua sov coil thiab cua txias tshuab tshuab; Ntsia taub hau nrog los yog tsis muaj ntsia hlau zawj, ncaj nraim los ntawm nozzle
5, Plasticized polyvinyl chloride (P-PVC)
Barrel kub noj cheeb tsam 30 ~ 50 degree (50 degree)
Thaj tsam 1 140 ~ 160 degree (150 degree)
Thaj tsam 2 150 - 180 degree (165 degree)
Thaj tsam 3 160 ~ 220 degree (180 degree)
Thaj tsam 4 160 ~ 220 degree (190 degree) Zone 5 160 ~ 220 degree (190 degree)
Nozzle 160 ~ 220 degree (200 degree)
Qhov ntsuas kub hauv cov hlua khi tau pom zoo raws li qhov tsim nyog tus nqi, kev siv cov hlab ntsha tawg yog 35 feem pua thiab 65 feem pua, thiab qhov piv ntawm qhov ntsuas qhov ntev ntawm phab ntsa thickness yog 50: 1 txog 100: 1.
Melt kub 200 ~ 220 degree, qhov kub ntawm lub thoob 120 degree
Pwm kub 30 ~ 50 degree
Txhaj siab 80 ~ 120MPa (800 ~ 1200bar)
30 feem pua ~ 60 feem pua ntawm kev txhaj tshuaj
Rov qab siab 5 ~ 10MPa (50 ~ 100bar)
Kev txhaj tshuaj nrawm Yuav kom tau txais qhov zoo ntawm qhov zoo, kev txhaj tshuaj yuav tsum tsis txhob nrawm dhau (yog tias tsim nyog, siv ntau theem txhaj tshuaj). Cov ntsia hlau ceev yuav tsum tau teem rau nruab nrab ntsia hlau ceev, thiab qhov siab tshaj plaws converted linear ceev yog 0.5m/s
Lub metering stroke yog 1.
Tsis tas yuav tsum tau ua ntej ziab; Tsuas yog thaum lub sijhawm khaws cia tsis zoo, nws tuaj yeem qhuav ntawm 70 degree rau 1h
Tus nqi rov qab tso cai rau cov khoom siv rov ua dua yam tsis muaj thermal decomposition
Shrinkage tus nqi 1 feem pua - 2.5 feem pua
Lub rooj vag system tuaj yeem siv qhov rooj qhov rooj rau cov khoom me me; Yuav tsum muaj kev hloov pauv ntawm arc nyob rau hauv kev coj ntawm lub rooj vag ntawm cov khoom. Lub tshuab yuav tsum kaw lub cua sov thaum lub sij hawm kaw, plasticize tsis rov qab siab, thiab ua hauj lwm ob peb extrusion mus
Cov khoom siv thoob yas txheem ntsia hlau, kos lub nplhaib, ncaj nozzle
6, Nylon 6 (PA6)
Barrel kub noj cheeb tsam 60 ~ 90 degree (70 degree)
Thaj tsam 1 230 ~ 240 degree (240 degree)
Thaj tsam 2 230 ~ 240 degree (240 degree)
Thaj tsam 3 240 ~ 250 degree (250 degree)
Thaj tsam 4 240 ~ 250 degree (250 degree)
Thaj tsam 5 240 ~ 250 degree (250 degree)
Nozzle 230 ~ 240 degree (250 degree)
Qhov ntsuas kub hauv cov hlua khi tau pom zoo raws li qhov tsim nyog tus nqi, kev siv cov hlab ntsha tawg yog 35 feem pua thiab 65 feem pua, thiab qhov piv ntawm qhov ntsuas qhov ntev ntawm phab ntsa thickness yog 50: 1 txog 100: 1.
Qhov kub ntawm qhov chaw pub mis thiab cheeb tsam 1 ncaj qha cuam tshuam rau kev noj zaub mov zoo. Ua kom qhov kub thiab txias no tuaj yeem ua rau kev pub mis ntau dua
Melt kub 240 ~ 250 degree
Qhov kub tsis tu ncua ntawm cov khoom thoob 220 degree
Pwm kub 60 ~ 100 degree
Kev txhaj tshuaj siab yog 100 ~ 160MPa (1000 ~ 1600bar). Yog tias nws yuav ua cov txheej txheem nyias nyias cov khoom siv ntev ntev (xws li cov hlua khi), nws yuav tsum ncav cuag 180MPa (1800bar)
50 feem pua ntawm kev txhaj tshuaj siab; Vim lub condensation ceev ntawm cov khoom, lub sij hawm luv luv yog txaus. Txo lub siab tuav lub siab kom txo tau qhov kev ntxhov siab sab hauv ntawm cov khoom
Lub siab rov qab yog 2 ~ 8MPa (20 ~ 80bar), uas yuav tsum tau hloov kho kom raug, vim tias siab rov qab siab dhau yuav ua rau cov yas txhaj tshuaj tsis sib xws. Nws raug pom zoo kom siv ceev ceev
Txhaj ceev; Cov pwm muaj qhov cua zoo, txwv tsis pub cov khoom tuaj yeem ua rau coking
Screw ceev Screw ceev yog siab, linear ceev yog 1m / s; Txawm li cas los xij, nws yog qhov zoo dua los teeb tsa cov ntsia hlau ceev qis dua, tsuav yog cov txheej txheem plasticizing tuaj yeem ua tiav ua ntej lub sijhawm txias txias; Tsawg ntsia hlau torque yuav tsum tau
Kev ntsuas stroke 0 5 - 3.5D
Qhov seem seem yog 2 ~ 6 hli, nyob ntawm qhov ntsuas ntsuas thiab lub taub hau ntsia hlau
Ua ntej ziab: ziab ntawm 80 degree rau 4h, tsuas yog pub ncaj qha los ntawm lub thawv ntim khoom; Nylon muaj qhov nqus dej, thiab yuav tsum tau muab cia rau hauv cov thawv ntim dej noo thiab kaw cov hoppers; Yog tias cov ntsiab lus dej ntau tshaj 0.25 feem pua, nws yuav ua rau cov pwm hloov pauv
Tus nqi rov qab tuaj yeem ntxiv los ntawm 10 feem pua
Shrinkage tus nqi ntawm cov khoom xa rov qab: {{0}}.7 feem pua ~ 2.0 feem pua ; Los yog ntxiv 30 feem pua iav fiber ntau thiab qhov shrinkage yog 0.3 feem pua ~ 0.8 feem pua ; Yog tias qhov ntsuas kub tau muab tshaj 60 degree, cov khoom yuav tsum maj mam txias; Maj mam ua kom txias tuaj yeem txo qhov shrinkage tom qab molding, uas yog, cov khoom qhia tau hais tias zoo dua seem stability thiab me me nyob rau hauv kev ntxhov siab; Kev siv chav dej yog pom zoo; Cov khoom nylon tuaj yeem kuaj xyuas kev ntxhov siab los ntawm vuam flux
Lub rooj vag system tuaj yeem yog hom taw tes, hom latent, hom hlais thiab lub rooj vag ncaj; Nws raug nquahu kom siv qhov qhov muag tsis pom thiab lub qhov rooj qhov rooj los txiav cov khoom txias txias;
Kub khiav yuav siv tau; Vim qhov nqaim machinability kub ntau ntawm cov hlau molten, tus kub khiav yuav tsum muab kaw-voj kub tswj
