Xaiv ib tus ntsia hlau extruder rau cov khoom noj uas xav tau kev ruaj khov thiab xa khoom. Ntsuam xyuas ib qho kev sib koom ua ke sib tw ntxaib ntsia hlau thaum cov txheej txheem yuav tsum sib xyaw cov khoom xyaw lossis tswj kev noj zaub mov, thiab ntsuas lub conical ntxaib ntsia hlau sib cais rau cov yeeb nkab PVC thiab cov dej num. Pib nrog lub formulation, pub daim ntawv thiab cov khoom specification, ces txiav txim seb qhov kev yuav khoom yog ib tug hloov khoom siv los yog ib tug txawv tshuab architecture.
Yog hais tias koj cov resin los yog compound tuaj txog npaj rau extrusion thiab lub ntsiab teeb meem yog ruaj khov melting thiab siab tus me nyuam, pib nrog ib tug kom zoo.ib leeg ntsia hlau. Yog hais tias lub extruder yuav tsum sib tov cov khoom xyaw cais, haum rau cov hmoov nyuaj los yog muab tub lim, los yog txhawb nqa ntau qhov kev tso pa tawm, ntsuas qhov cuam tshuam.parallel ntxaib-ntsia hlauarchitecture; rau PVC yeeb nkab lossis profiles, suav nrog aconical twin-ntsia hlaukev xaiv qhov twg nws cov txheej txheem haum yog tsim nyog.
Tsib qhov kev txiav txim siab tseem ceeb tshaj li daim ntawv lo
- Txheeb xyuas seb cov khoom noj puas yog qhov sib xyaw ua tiav, sib xyaw qhuav, cais cov khoom xyaw, lossis cov khoom siv rov ua dua tshiab.
- Txhais lub extruder txoj hauj lwm: yaj thiab twj tso kua mis, sib tov thiab disperse, devolatilize, los yog muab ob peb lub luag hauj lwm.
- Sib piv cov khoom siv raws li tib lub formulation, tuag, khoom-zoo txwv thiab kev khiav hauj lwm qhov rais.
- Xyuas seb qhov teeb meem puas yog nyob rau hauv ib lub hau ntswj / chim los yog nyob rau hauv architecture ntawm tag nrho cov kab.
- Txiav txim cov lus pom zoo los ntawm cov khoom muag muag thiab cov khoom lag luam rov ua tau zoo, tsis yog qhov siab tshaj plaws.
Ua ntej, cais peb lub tshuab extrusion - tsis yog "ib qho ntsia hlau" thiab "ob lub taub hau"
Ib leeg-ntsia hlau extruder muaj ib tug rotating ntsia hlau ua hauj lwm nyob rau hauv ib tug sib xws chim chim. Nws cov qauv tsim muaj xws li pub, hloov pauv thiab ntsuas thaj tsam, ntxiv rau kev thaiv lossis kev sib xyaw ua ke thaum cov khoom xav tau. Qhov ntawd txhais tau hais tias "ib qho ntsia hlau" tsis txhais hais tias "tsis muaj kev sib xyaw." Nws txhais tau hais tias lub tshuab feem ntau xaiv los ua cov khoom siv yas thiab muab cov kwj deg nruam mus rau qhov tuag, nrog cov ntsia hlau geometry tailored rau cov resin thiab cov khoom.
Nanhaiya teev cov ntawv thov xws li PE thiab PPR yeeb nkab rau PVC cov yeeb nkab, zaj duab xis, ntawv thiab cov khoom siv rov ua dua-polymer granules ntawm nws.ib-ntsia hlau qeb nplooj. Qhov ntau yog qhov tseem ceeb ceeb toom: tsis yog lub npe polymer lossis lo lus "PVC" ib leeg xaiv lub tshuab.
"Twin ntsia hlau" npog ntau tshaj ib qho kev kho tshuab. Ib co-rotating parallel twin-screw system siv ob shafts rotating nyob rau hauv tib txoj kev; cov txheej txheem tshwj xeeb layout thiab chim tsim txiav txim siab li cas conveying, mixing, kneading thiab venting yog faib raws kab. Ib qho kev sib hloov-rotating yog qhov kev txiav txim siab tsim qauv sib txawv txawm tias cov ntsia hlau sib npaug. Nanhaiya uaco-rotating parallel twin-screw chimyog ib qho piv txwv ntawm cov khoom, tab sis nws cov specifications yuav tsum tsis txhob npaj mus rau txhua qhov ntxaib-ntsia hlau system.
Conical ntxaib screws tsim ib pab pawg neeg siv tswv yim rau qhov kev txiav txim yuav khoom no. Lawv cov ntsia hlau diameters hloov raws qhov ntev, thiab lawv feem ntau txiav txim siab rau PVC yeeb nkab thiab profile ua. Nanhaiya sau ib nplooj siabPVC yeeb nkab conical twin-screw chimib yam li qhov davconical ntau yam. Lub ntsiab lus tsis yog tias ib tsev neeg yeej txhua txoj haujlwm PVC. Nws yog hais tias tus neeg yuav khoom yuav tsum tau lub npe geometry thiab cov kev taw qhia ntawm kev sib hloov ua ntej muab piv rau ib tug hais los yog nug rau ib tug extruder ntsia hlau hloov.
Ib leeg ntsia hlau vs parallel ntxaib ntsia hlau vs conical ntxaib ntsia hlau: tus neeg yuav khoom sib piv
Cov lus hauv qab no piav qhia cov lus nug xaiv, tsis tau lees paub qhov kev ua tau zoo. Nyob rau hauv txhua lub architecture, ntsia hlau profile, chim, feeder, tuag thiab kev khiav hauj lwm tej yam kev mob yuav hloov tau ntau yam. Ib qho kev thaiv los yog sib tov ib qho ntsia hlau tuaj yeem ua tau zoo ntawm qhov sib xyaw ua ke; ib qho tsis zoo uas teev cov kab ntxaib-ntsia hlau tseem tuaj yeem ua rau cov khoom siv tsis tau. Kho txhua kab ua ib txoj hauv kev kom nqaim txoj kev npaj mus sib hais, tom qab ntawd hais kom cov neeg muag khoom hais tias lawv qhov kev tsim tshwj xeeb nyob hauv pawg.
| Kev txiav txim siab yam | Ib leeg ntsia hlau | Co-rotating parallel twin ntsia hlau | Conical ntxaib ntsia hlau |
|---|---|---|---|
| Tej lus nug | Cov khoom noj puas tuaj yeem yaj thiab xa mus tsis tu ncua? | Cov kab yuav tsum sib xyaw, sib cais los yog cov khoom xyaw cua? | Puas yog PVC yeeb nkab / profile lub luag haujlwm haum rau qhov ntsia hlau geometry? |
| Pub rau kev tshawb nrhiav | pellets los yog ib qho kev npaj tsim nyog; lwm cov khoom noj xav tau kev ntsuam xyuas tshwj xeeb | Cais cov khoom xyaw, muab tso rau, cov khoom noj sab nraud lossis cov khoom siv rov ua dua tshiab nyuaj | Qhov cuam tshuam PVC qhuav-kib thiab profile / yeeb nkab formulations, nyob ntawm tus tsim |
| Main specification tsom | Melting muaj peev xwm, siab stability, ntsia hlau / chim mob thiab tuag thov | Element sequence, pub, sij hawm nyob, dispersion thiab venting | Kev pub noj, kev coj tus cwj pwm fusion, thermal keeb kwm thiab PVC khoom zoo |
| Dab tsi los xav | Qhov ntawd ib qho ntsia hlau tsis tuaj yeem sib xyaw lossis ua tsis tau PVC | Tias txhua tus ntxaib ntsia hlau yog co-rotating los yog muaj tib yam shear | Tias txhua kab PVC xav tau ib tug conical tsim |
Cov kev sib txawv no ua ke nrog Nanhaiya caisib leeg-ntsia hlau, parallel ntxaib-ntsia hlauthiabconical twin-ntsia hlautsev neeg cov khoom. Lawv kuj muaj kev cuam tshuam txog kev luam tawm cov kev tshawb fawb polymer-ua, uas kho cov melting, sib tov, lub zog tsim thiab lub sij hawm nyob rau hauv raws li qhov tsim-dependent phenomena es tsis yog ib qho khoom ruaj khov ntawm cov ntsia hlau suav; saib covpeer-reviewed xyuas ntawm ntxaib-ntsia hlau extrusion qauv. Rau qhov kev yuav khoom tiag tiag, nug rau cov ntsia hlau thiab lub thoob kos duab, daim ntawv pub khoom noj, thiab lub qhov rais ua haujlwm ua ntej txiav txim siab seb ob qhov sib txawv ntawm cov lus sib piv.
Pib nrog feedstock: npaj pellets, qhuav blends, fillers thiab recycled khoom
Thawj lo lus nug uas muaj zog tshaj plaws tsis yog "Lub tshuab twg muaj zog dua?" Nws yog "Dab tsi yog nkag mus rau lub hopper?" Npaj pellets los yog cov khoom ua ntej sib xyaw ua ke tau dhau los ntawm kev tsim cov dej ntws thiab cov kauj ruam sib xyaw. Nyob rau hauv tas li ntawd, lub downstream extruder tej zaum yuav mas yuav tsum tau yaj cov khoom, tsim usable siab thiab cia cov tuag nkag.
Ib qho zoo sib xwsib leeg ntsia hlau thiab chimtuaj yeem yog qhov pib muaj zog. Yog tias cov khoom muaj xim tsis zoo sib xws, paub meej tias cov pellets lawv tus kheej sib txawv ua ntej yuav cem cov ntsia hlau. Lub tshuab tsis tuaj yeem kho qhov sib xyaw ua ke uas tuaj txog sab nraum cov khoom siv tau pom zoo.
Ib qho kev sib tov qhuav los yog ob peb cov khoom xyaw sib cais nug ntau ntawm cov kab extrusion. Fillers yuav tsum tau dispersion; hmoov yuav xav tau ib tug txhim khu kev qha pub mechanism; Cov khoom tawg yooj yim tuaj yeem hu rau qhov kev npaj ua pa tawm. Cov no yog cov txheej txheem yuav tsum tau ua, tsis yog vim li cas thiaj xaiv lub tshuab nrog ob lub hau.
Lub co-rotating parallel system yuav tsim nyog thaum lub luag hauj lwm muaj xws li on-line compounding thiab staged ntxiv, tab sis cov ntsia hlau-cov ntsiab lus npaj, feeder qhov chaw thiab qhov cua tsim tseem yuav tsum tau engineered rau formulation. Nanhaiya uaparallel ntau yamthiabco-rotating khoom nploojpiav txog cov txheej txheem-oriented daim ntawv thov.
Recycled pub yog kev txiav txim siab cais, tsis yog ib qho khoom siv thoob ntiaj teb. Kev huv, zoo ib yam rov siv dua PE lossis PP pellets yog qhov sib txawv ntawm cov flakes ntxuav nrog cov dej noo thiab paug; ob qho tib si txawv ntawm qhov sib xyaw ua ke siab. Define particle size, bulk density, moisture, contamination, resin mix and target product.
Nanhaiya teev cov ntaub ntawv siv PE thiab PP granule rau tib lub hau ntswj, yog li cov txheej txheem "recycled txhais tau tias ntxaib ntsia hlau" txoj cai yuav tawm tsam lub tuam txhab cov khoom lag luam. Hloov pauv, yog tias txoj kab yuav tsum tau yaj ib txhij, sib tov cov khoom ntim thiab tswj cov khoom tsis haum, cov ntsia hlau ntxaib lossis lwm cov txheej txheem tsim nyog tau txais kev kuaj xyuas. Txoj cai tshwj xeeb pib nrog tus qauv tiag tiag thiab cov lus piav qhia cov khoom ruaj khov, tsis yog cov lus hais ntawm architecture.
Dab tsi hloov hauv lub thoob: melting, sib tov, siab thiab thermal keeb kwm
Lub ntsia hlau tsis yog tsuas yog lub conveyor. Cov khoom noj yuav tsum txav mus rau pem hauv ntej, nqus cua sov, yaj lossis fuse kom tsim nyog, sib tov mus rau qib uas xav tau thiab dhau los ntawm kev tuag yam tsis muaj degradation ntau dhau. Cov haujlwm ntawd cuam tshuam. Kev ua kom ceev ceev tuaj yeem ua rau muaj kev nkag mus rau hauv ib lub qhov rais thaum nce qhov kub thiab txias los yog txo lub sijhawm nyob hauv lwm qhov.
Ib tug tuag uas imposes ntau heev siab hloov cov txiaj ntsig tso zis ntawm tag nrho cov kev npaj. Tshaj tawmpolymer-extrusion qauv kev tshawb fawbtham txog qhov sib txawv ntawm cov txheej txheem melting thiab kev sib faib siab rau ib leeg-, co-rotating thiab counter-rotating-screw systems; nws tsis txhawb ib tug universal tso zis los yog zoo multiplier ntawm lawv.
Melting thiab khov kho
Rau cov pellets npaj, qhov kev sim ua tau zoo yog seb qhov kev thov ntsia hlau puas tuaj yeem ua tiav melting thaum xa cov kwj ruaj khov tshaj qhov xav tau ntau lawm. Sib piv cov kev hloov pauv siab, qhov kub thiab txias, pom tsis pom thiab cov khoom siv tau zoo ntawm tib qhov tuag. Ntawm ib txoj kab uas twb muaj lawm, qhov nce ntawm cov ntsia hlau / chim tshem tawm los ntawm kev hnav tuaj yeem ua rau qhov kev ntsuam xyuas no tsis zoo dua li qhov tsim qauv tsim nyog. Tias yog vim li cas lub chim bore thiab ntsia hlau ya davhlau nyob rau hauv kev kuaj mob ua ntej ib tug tag nrho cov tshiab tshuab yog teev.
Distributive thiab dispersive mix
Distributive mixing rearranges Cheebtsam los ntawm yaj; dispersive sib xyaw ua rau agglomerates. Ob lub hom phiaj xav tau cov pov thawj sib txawv. Xim streaks, muab tub lim specks thiab kev hloov pauv ntawm cov khoom siv kho tshuab yuav tsum raug kuaj tawm tsam tus qauv zoo, tsis suav nrog "kev sib xyaw tsis zoo." Nanhaiya muabib leeg-ntsia hlaukev xaiv rau ntau yam resin dej num thiab ib qho kev sib caisco-rotating twin-ntsia hlautsim. Tsis yog tsev neeg cov khoom ib leeg ua pov thawj qhov kev faib tawm ntawm ib qho kev tsim tshwj xeeb yuav ua tiav.
Kev ntsuas qhov cua thiab cov khoom siv
Yog hais tias tus txheej txheem yuav tsum tshem tawm cov volatiles, qhia qhov twg cov roj yog generated, yuav ua li cas cov khoom yog pub, thiab dab tsi downstream xeem yuav paub meej tias lub hom phiaj yog ua tau. Nug rau cov ntaub ntawv yaj tiag tiag es tsis yog xav tias pellet lub yaj-ntws tshwm sim kwv yees cov khoom tsim tawm.ASTM D 1238 Covtxhais tau hais tias kev ntsuas melt-flow nyob rau hauv cov txheej txheem kev ntsuam xyuas thiab kev ceeb toom tias nws cov txiaj ntsig yuav tsis cuam tshuam ncaj qha nrog kev ua haujlwm loj. Nws yog cov ntaub ntawv muaj txiaj ntsig zoo, tab sis nws tsis hloov qhov kev sim ntawm qhov npaj extruder thiab tuag.
Xaiv cov architecture los ntawm kev thov cov khoom tiag
Peb cov khoom lag luam tso ib thaj tsam muaj txiaj ntsig nyob ib puag ncig kev sib piv. Peb muab daim ntawv thov tshwj xeeb ib leeg ntsia hlau rau zaj duab xis thiab vaj huam sib luag cores, sib koom ua ke sib tw twin-screw chim rau kev sib xyaw ua haujlwm hnyav, thiab cais conical twin-ntsia hlau chim rau PVC yeeb nkab. Pib nrog kev ua haujlwm thiab tom qab ntawd sib piv cov khoom siv sib xws.
| Lub luag haujlwm ntau lawm | Nanhaiya khoom txoj kev | Cov ntsiab lus uas cuam tshuam rau qhov kev txiav txim |
|---|---|---|
| LDPE / HDPE zaj duab xis | Zaj duab xis ib ntsia hlau | 30-150mm txoj kab uas hla; L/D xaiv 25:1, 28:1, 30:1, 33:1, 35:1; yuam-noj noj thiab alloy-kho kev xaiv |
| Aluminium-yas vaj huam sib luag core | Vaj huam sib luag ib leeg ntsia hlau | Barrier-hom sib xyaw rau cov xim thiab cov nplaim hluav taws xob; polished raws thiab du taub hau geometry |
| Compounding lossis high-sau / recycled lub luag haujlwm | Co-rotating parallel twin-screw chim | Tib-kev taw qhia intermeshing screws; channel tsim rau tov thiab conveying; nitrided los yog bimetallic tsim |
| PVC cev | PVC yeeb nkab conical twin-screw chim | Gradient ntsia hlau thiab chim-groove tsim; nickel-based alloy kev kho mob thiab kev xaiv liner |
Kev tsim cov yeeb yaj kiab yog ib qho tseem ceeb ntawm qhov pib ntawm ib tus ntsia hlau. Peb nplooj ntawv zaj duab xis npog LDPE, LLDPE, HDPE, PP thiab PVC, thiab suav nrog kev ntim khoom thiab cov ntawv thov ua liaj ua teb. Peb yuav muab cov khoom sib xyaw ua ke, cov yeeb yaj kiab zoo thiab muaj cov txheej txheem ntev ua ntej xaiv txoj kab uas hla thiab L / D. Cov kev xaiv catalog txheeb xyuas qhov tsim tau; zaj duab xis specification txhais cov txiaj ntsig tso zis.
Cov khoom vaj huam sib luag qhia tau hais tias yog vim li cas kev siv ntxiv ib leeg tsis xaiv cov ntsia hlau ntxaib. Nws qhov barrier-hom mixing seem yog npaj los faib cov xim thiab cov nplaim hluav taws xob los ntawm cov tub ntxhais yaj. Yog tias qhov kev npaj pub noj thiab yuav tsum tau muab faib ua cov txheej txheem ib leeg, ntsuas nws ntawm lub hauv paus ntawd. Yog tias ob peb cov khoom xyaw xav tau kev koom tes hauv online sib xyaw ua ke ntau dua, tshawb xyuas cov txheej txheem sib hloov thiab nws cov txheej txheem pub mis.
Rau PVC yeeb nkab, peb nplooj ntawv cov khoom conical teev cov yeeb nkab loj ntawm 16-63, 50-110 thiab 90-160 hli. Cov no yog cov yeeb nkab loj, tsis ntsia hlau diameters. Tib nplooj ntawv piav qhia txog 2-2.5 hli alloy thickness thiab cais cov ntsia hlau / chim ntws nta. Xa cov yeeb nkab qhov ntev, kev tsim thiab pub daim ntawv kom cov ntsiab lus tuaj yeem sib phim rau kab.
Covqeb conicalkuj teev cov ntsia hlau loj xws li Φ65/Φ132 thiab Φ80/Φ156. Khaws cov qhov sib txawv ntawm qhov sib txawv ntawm ib lub taub hau ib leeg thiab los ntawm cov yeeb nkab tiav. Ib daim duab yuav tsum daws qhov cuam tshuam cuam tshuam ua ntej qhov kev nug hloov pauv dhau los ua cov lus sib piv.
Sib piv peb cov qauv ntaub ntawv thiab cov khoom specifications nyias
Cov qauv rooj teb cov lus nug muaj peev xwm-scoping. Cov nplooj ntawv nthuav dav teb cov lus nug txog kev tsim kho. Siv ob qho tib si, thaum ua kom lawv cov ntsiab lus meej meej: lub tshuab-tsev neeg cov zis ntau yam tsis txhais cov alloy ntawm ib qho kev txiav txim, thiab tus nqi hardness tsis tsim cov khoom tsim tawm.
| Khoom tsev neeg thiab qauv | L/D | Cov npe tso zis muaj peev xwm | Ntsia hlau ceev | Tsav lub cev muaj zog |
|---|---|---|---|---|
| Ib leeg ntsia hlau NHY65 | 25–36:1 : kuv | 60-300 kg / h | 20-150 rpm | 22-75 kWm |
| Ib leeg ntsia hlau NHY90 | 25–36:1 : kuv | 180-600 kg / h | 20-110 rpm | 30-185 kW |
| Parallel ntxaib ntsia hlau NHY75 | 26–36 : kuv | 220-350 kg/h, PVC | 45rpm ua | 45 kW ua |
| Parallel ntxaib ntsia hlau NHY90 | 26–36 : kuv | 280-460 kg/h, PVC | 45rpm ua | 55 kW ua |
Model Source: pebib leeg-ntsia hlau roojthiabparallel ntxaib-ntsia hlau rooj. Lub rooj sib txuas qhia meej meej nws cov kab ke muaj peev xwm raws li PVC tso zis. Lub rooj ib leeg-ntsia hlau muab qhov dav dav dav. Siv cov nuj nqis los sau npe luv ib qho kev teeb tsa, tom qab ntawd sib piv cov qauv tib yam, tuag thiab lees txais cov khoom yuav tsum tau ua.
Ib daim tshev thib ob cuam tshuam txog kev tsim kho. Pebco-rotating parallel khoomqhia txog 38CrMoAlA steel, nitriding hardness HV950-1000 ntawm 0.50-0.70 hli qhov tob, thiab bimetal hardness HRC60-65 ntawm 2.0-3.0 hli qhov tob. Nws qhov ncaj nkag yog 0.015 hli. Qhov ntawd yog cov ntsia hlau ncaj nraim, tsis yog tus nqi khiav tawm ntawm cov ntsia hlau thiab chim.
Rau cov ntawv sau los yog rov ua dua tshiab, cov khoom siv thiab cov ntsiab lus saum npoo yog nyob rau hauv cov lus hais ib sab ntawm cov txheej txheem architecture. Nug seb qhov twg tau txais kev kho mob twg thiab qhov kev kuaj xyuas tiav yuav npog dab tsi. Rau cov khoom siv PVC conical, siv nws tus kheej 2-2.5 hli alloy-thickness piav qhia es tsis hloov cov khoom siv sib txuas rau nws.
Cov ntaub ntawv ntsuam xyuas ntxiv qhov sib piv no.ASTM D 1238 Cov-26piav qhia txog cov dej ntws raws li kev ntsuas empirical uas nws cov xwm txheej yuav txawv ntawm kev ua lag luam. suav nrog qib thiab kuaj mob, tom qab ntawd ntsuas qhov lees txais kg / h, yaj zoo, siab thiab tsav thauj khoom ntawm qhov kev teeb tsa tiag tiag.
Peb lub Hoobkas pom: txiav txim siab seb qhov kev yuav khoom tom ntej yuav tsum hloov li cas
Peb yuav cais qhov kev nug hloov pauv los ntawm kev hloov kho vaj tse thaum pib. Yog tias cov kab yeeb yaj kiab uas twb muaj lawm yav dhau los tau ntsib nws cov khoom specification nrog tib cov resin, thawj zaug tshuaj xyuas cov ntsia hlau, chim thiab cov txheej txheem hloov. Pebzaj duab xis ntsia hlau ntaumuaj ob peb L / D thiab kev tsim kho kev xaiv nyob rau hauv ib leeg-ntsia hlau txoj kev.
Yog tias txoj haujlwm tsim khoom tau hloov pauv, piav qhia ncaj qha. Lub vaj huam sib luag tseem ceeb uas xav tau kev faib khoom sib txuas ntxiv tuaj yeem lav qhov kev tshuaj xyuas ntawm pebbarrier-type mixing design. Cov txheej txheem uas tam sim no xav tau ntau yam khoom xyaw sib xyaw ua ke ntawm kab yuav tsum muaj kev pub noj ntau dua thiab sib tham sib tham. Peb yuav ntsuas qhov yuav tsum tau ua ua ntej pom zoo rau txoj kev sib tw twin-ntsia hlau.
Hnav yog lwm qhov kev txiav txim siab. Pebhnav-resistant ib leeg-ntsia hlau xaivsuav nrog kev siv lub dav hlau hauv zos thiab kev kho saum npoo rau cov qauv abrasive. Yog hais tias lub architecture tseem haum rau cov txheej txheem, cov khoom siv los yog qhov sib txuam hloov pauv yuav daws qhov teeb meem ncaj qha dua li kev yuav ntau hom extruder.
Rau ib qho kev txiav txim, xa cov tsav kawg, ua haujlwm ntev, lub taub hau thiab lub thoob-dhau kos duab. Rau cov tswv yim tsim qauv, ntxiv cov feeder, venting, gearbox, tuag thiab downstream scope. Pebtxheej txheem ua ntej muagtshuaj xyuas cov ntaub ntawv tsim khoom, cov qauv khoom siv thiab cov peev txheej uas yuav tsum tau ua, tom qab ntawd sib tw txoj kab uas hla, L / D, groove qhov tob thiab cov khoom siv.
Pebcov khoom siv ntau lawmsuav nrog CNC tig rau workpieces txog li 6 m thiab tsib-axis machining rau kev ya davhlau thiab tshwj xeeb flanges. Nqa cov geometry tseem ceeb rau hauv daim ntawv thov thiab kev kuaj xyuas. Kev sib tham txog kev tsim khoom yuav tsum ua raws li kev txiav txim siab meej, es tsis yog pib nrog kev thov tsis tau hais txog "kev sib xyaw ntxiv."
Ib txheej txheem xaiv xya-kauj ruam rau kev sib piv cov khoom siv tau zoo
Kev sib piv yuav muaj txiaj ntsig zoo thaum txhua tus neeg muag khoom tau daws qhov teeb meem tib yam. Pib nrog cov khoom specification thiab taug qab rov qab mus rau pub, extruder lub luag hauj lwm thiab downstream txwv. Tsis txhob nug txog "lub tshuab zoo tshaj" yam tsis tau hais tias suav tias yog cov khoom lag luam lees paub. Qhov no yog ib qho tseem ceeb tshwj xeeb tshaj yog thaum tus neeg muag khoom tsuas yog hais txog cov ntsia hlau / thoob lub cev thaum lwm tus tab tom hais txog kab tiav. Cais cov lus nug ntawm architecture los ntawm cov lus nug txog kev hloov pauv, tom qab ntawd coj lawv rov qab ua ke hauv ib qho kev lees txais.
- Txhais cov khoom tiav:qhov ntev, zoo li, mechanical xav tau, tsis xws luag txwv thiab yuav tsum tau salable tus nqi.
- Piav txog cov khoom xa tuaj:resin los yog compound qib, pellets los yog hmoov, muab tub lim / additive feem pua, noo noo, recycled cov ntsiab lus thiab variability.
- Sau cov haujlwm ua haujlwm:melting, siab tiam, distributive los yog dispersive mixing, staged ntxiv thiab tej venting yuav tsum tau.
- Ntsuas kab tam sim no:cov zis tiag tiag, ntsia hlau ceev, yaj kub, tuag siab, tsis lees paub, downtime, lub zog thiab pom kev hnav.
- Shortlist architectures:ib tug matched ib leeg-ntsia hlau tsim, ib qho kev qhia parallel ntxaib-ntsia hlau configuration, los yog ib qho tseem ceeb conical twin-screw tsim.
- Thov cov tswv yim sib piv:cov ntaub ntawv hauv paus, ntsia hlau / chim kos duab, feeder, tuag thiab downstream assumptions, mus sib hais ntev thiab txais metrics.
- Ntsuam xyuas kev lees paub ntau lawm:piv cov kilos zoo ib teev, cov khoom zoo, kev khiav hauj lwm ruaj khov thiab tus nqi ib kilogram txais - tsis yog daim ntawv tshaj tawm.
Yog hais tias lub tshuab uas twb muaj lawm ib leeg-ntsia hlau tsis ua hauj lwm, ntxiv kev ntsuam xyuas hnav ua ntej qib tsib. Txheeb xyuas cov ntsia hlau ya dav hlau thiab lub thoob ntswj tawm tsam cov khoom siv kos duab, thiab sau cov ntaub ntawv seb qhov teeb meem puas tau pib tom qab cov khoom siv, tshuaj ntsuam, tuag lossis kev hloov pauv. Yog tias lub luag haujlwm nws tus kheej tau hloov pauv - piv txwv li, cov kab yuav tsum tam sim no muab cov khoom sib xyaw ua ke uas yav tas los suav nrog cov dej ntws - kho qhov ntawd raws li cov txheej txheem tshiab. Nanhaiya uantsia hlau thiab chim coj cojthiabparallel ntxaib-ntsia hlau clearance guidemuab cov ncauj lus soj ntsuam ntsig txog.
Dab tsi los tso rau hauv RFQ - thiab yuav ua li cas los sib piv tus nqi tiag
Xa txhua tus neeg muag khoom yav tom ntej rau tib pob khoom. suav nrog cov ntsia hlau tam sim no thiab lub thoob kos duab yog tias qhov kev thov yog hloov, lossis ib txoj kab layout yog tias qhov kev thov yog rau ib qho tshiab architecture. Ntxiv ib qho piv txwv ntawm cov khoom siv los yog cov ntaub ntawv tsim tawm ntau, lub hom phiaj cov khoom kos duab, lub hom phiaj tso tawm, qhov tsis txaus ntseeg thiab cov ntaub ntawv tsim tawm tam sim no.
Yog tias qhov kev tsis pub lwm tus paub txwv tsis pub tshaj tawm cov qauv, txheeb xyuas yam tsawg kawg ntawm tsev neeg resin, daim ntawv pub khoom noj, chav muab tub lim thiab cov txheej txheem kev txwv uas yuav tsum tau ua rau cov lus teb engineering. Tus neeg muag khoom uas tsis paub dab tsi nkag mus rau hauv lub hopper tsis tuaj yeem lav qhov tshwj xeeb ntsia hlau geometry lossis cov zis.
Nug txog qhov ciam teb ntawm cov khoom siv. Puas yog cov lus hais muaj xws li cov ntsia hlau nkaus xwb, lub hau ntswj thiab lub thoob, tsav hloov pauv, pub khoom noj, cua tshuab, ntsuas ntsuas, commissioning lossis tag nrho cov kab extrusion? Qhia meej seb puas tau thovib leeg ntsia hlau, parallel ntxaib ntsia hlaulos yogconical twin ntsia hlauyog sib xws nrog cov cuab yeej ntsia. Cov npe khoom lag luam tsis yog cov lej sib pauv hloov tau. Xav tau cov duab kos thiab sau ib nqe lus ntawm txhua qhov kev xav tau qhov ntev.
Rau tus nqi, saib tshaj tus nqi yuav khoom. Kev sib piv ua piv txwv yog tag nrho cov nqi khiav hauj lwm muab faib los ntawm cov kilos uas tau txais los ntawm ib lub sij hawm teev tseg. Tus lej yuav tsum suav nrog cov nqi uas tau hloov pauv ntawm cov kev xaiv - lub zog, kev saib xyuas, hnav qhov chaw, tu, tsis lees paub thiab poob sijhawm - siv koj cov nroj tsuag tus nqi thiab ntsuas cov ntaub ntawv khiav. Tus denominator yuav tsum tsis suav nrog cov khoom siv tshwj xeeb.
Yog hais tias ib qho kev pom zoo muab ntau dua tag nrho kg / h tab sis qhov kev tsis lees paub loj dua lossis kev tu ncua tsis tu ncua, nws qhov txiaj ntsig zoo tuaj yeem ploj mus. Peb tsis tuaj yeem tso qhov feem pua ntawm qhov sib txawv ntawd yam tsis muaj kev sim tswj, thiab tsis yog tus neeg xa khoom yuav tsum.
Xa qhov ntev, tsav-kawg kos duab, chim bore, khoom siv, hnav qauv thiab cov ntaub ntawv ua haujlwm ruaj khov kawg.
Xa daim ntawv pub khoom noj, kev tsim qauv, kev tuag / khoom kos duab, lub hom phiaj zoo tso tawm, kev txwv kev siv hluav taws xob thiab qis qis.
Pom zoo rau cov khoom siv xeem, lub sijhawm ua haujlwm, cov qauv tsis raug, ntsuas cov ntsiab lus thiab yuav ua li cas yog tias lub hom phiaj tsis ua tiav.
Tham txog koj lub luag haujlwm extrusion nrog Nanhaiya
Zhoushan Nanhaiya Plastic Machinery Co., Ltd. manufactures ntsia hlau thiab chim khoom nyob rau hauv Zhoushan, Zhejiang, Suav teb. Peb catalog caisib screws, parallel ntxaib ntsia hlausthiabconical twin-ntsia hlau chim; nws kuj suav nrog cov ntawv thov tshwj xeeb xws li covPVC yeeb nkab conical twin-screw chim. Tshawb xyuas peb cov peev txheej machining ntawm lubnplooj ntawv khoom sivua ntej tham txog kev cai tivthaiv.
Rau kev sib tham thawj zaug uas muaj txiaj ntsig, qhia peb tias koj tab tom ua dab tsi, dab tsi nkag mus rau hauv lub hopper, seb koj qhov teeb meem yog qhov tshiab los yog ntev, thiab seb koj xav tau cov khoom hloov pauv lossis cov txheej txheem sib txawv. Yog tias koj muaj ib txoj kab uas twb muaj lawm, xa cov duab kos / lub thoob thiab ntsuas es tsis yog ib daim duab coj los siv xwb.
Yog tias koj tab tom npaj ib txoj kab tshiab, xa cov khoom kos duab, lub hom phiaj muag muag thiab cov khoom siv ntau yam uas koj xav kom khiav. Cov ntsiab lus no ua rau kev sib tham txog engineering muaj txiaj ntsig ntau dua li "ib leeg lossis ntxaib?" thov.
Hu rau pab pawg los ntawmNanhaiya contact pagelos yog emailinfo@nhyscrew.com ib. Peb tuaj yeem tshuaj xyuas daim ntawv thov uas tau teev tseg thiab txheeb xyuas cov khoom twg tsev neeg tau lees paub kev sib tham tshwj xeeb ze dua. suav nrog cov qauv tsim, kos duab kos duab thiab kev lees paub yog li peb tuaj yeem phim cov lus pom zoo rau koj cov khoom siv.
Xa ib qho kev nug extrusionEmail pab neeg NanhaiyaCov lus nug uas nquag nug
Puas yog ntxaib-ntsia hlau extruder ib txwm zoo dua li ib leeg-ntsia hlau extruder?
Tsis yog. Ib tus ntsia hlau ntxaib yuav muab cov txheej txheem tsim ntau txoj hauv kev los daws kev sib xyaw ua ke, kev noj zaub mov thiab tso pa tawm, tab sis qhov ntawd tsis ua rau nws qhov kev xaiv zoo dua rau txhua qhov npaj pellet lossis cov khoom txuas ntxiv. Sib piv qhov tseeb formulation, tuag, zoo txwv thiab txais ntau lawm tus nqi. Ib txoj kab uas sib raug zoo ib leeg-ntsia hlau tuaj yeem ua tau raws li lub luag haujlwm yam tsis muaj qhov nyuaj ntawm lub tshuab sib txawv. Nanhaiya caisib leegthiabparallel ntxaibcov khoom lag luam qhia txog cov haujlwm sib txawv.
Puas yog ib leeg-ntsia hlau extruder txheej txheem PVC?
Yog lawm. Nanhaiya sau cov yeeb nkab PVC thiab cov profiles ntawm nwsdaim ntawv thov ib leeg-ntsia hlau, thaum tseem muab cov khoom conical thiab parallel ntxaib-ntsia hlau rau cov dej num ntsig txog PVC. Pub daim ntawv thiab formulation yog ib qho tseem ceeb: npaj PVC compound thiab qhuav blend tsis interchangeable specifications. Nug txog qhov yuav tsum tau ua fusion tus cwj pwm, txwv thermal, tso zis thiab cov khoom ua ntej xaiv cov ntsia hlau geometry. "PVC" ib leeg yog cov ntaub ntawv tsawg dhau.
Dab tsi yog qhov sib txawv ntawm qhov sib npaug sib npaug ntxaib ntsia hlau thiab conical ntxaib ntsia hlau?
Lawv txawv nyob rau hauv cov ntsia hlau geometry thiab, nyob ntawm seb tus tsim, nyob rau hauv kev sib hloov kev npaj thiab cov txheej txheem tseem ceeb. Ib co-rotating parallel tsim yog feem ntau txiav txim siab thaum txoj kab yuav tsum muab cov khoom xyaw los yog tswj cov theem sib ntxiv; ib tug conical twin-ntsia hlau tsim feem ntau raug soj ntsuam rau PVC yeeb nkab thiab profiles. Sib piv cov khoom kos duab tiag tiag thiab kev ua haujlwm. Nanhaiya luam tawm aco-rotating parallel khoomthiab aPVC yeeb nkab conical khoomraws li cov khoom sib txawv.
Kuv puas tuaj yeem hloov kuv lub tshuab ib leeg-ntsia hlau mus rau ntxaib ntsia hlau los ntawm kev hloov cov ntsia hlau?
Tsis yog. Lub thoob bore, gearbox, tsav, pub system thiab tswj ntawm ib leeg-ntsia hlau tshuab tsis hloov mus rau hauv ib tug ntxaib-ntsia hlau architecture los ntawm kev hloov ib feem. Ib qho kev hloov ib qho ntsia hlau tuaj yeem rov qab los yog txhim kho txoj kab sib xws yog tias nws hais txog cov ntaub ntawv hnav lossis tsim teeb meem. Yog hais tias tus txheej txheem nws tus kheej yuav tsum tau ib tug sib txawv architecture, thov kom tiav cov khoom, tsis yog ib tug screw-tsuas hais. Pib los ntawm kev ntsuas cov cuab yeej nruab thiab tshuaj xyuas covhloov-screw checklist.
Kuv yuav tsum thov tus lej twg ua ntej muab piv rau cov lus hais?
Nug kom muag tau kg / h ntawm cov qauv tsim thiab tuag, qhov kub thiab txias, kev tuag-siab sib xws, tsis lees paub lub ntsiab lus, kev siv hluav taws xob ib kilogram, qhov ntev ntawm cov ntsia hlau / thoob thiab lub sijhawm sim. Sau cov ntaub ntawv ntau thiab cov khoom noj kom cov txiaj ntsig tuaj yeem rov ua dua. Catalog qauv ntau yam pab cov khoom siv luv luv, tab sis lawv tsis tsim kev sib piv tswj. Rau polymer characterization, ibASTM D 1238 Covmelt-flow tshwm sim tuaj yeem ntxiv cov ntaub ntawv cov ntaub ntawv; nws tsis tuaj yeem hloov qhov kev sim extrusion.
