Ib tug pa ntsia hlau conveys, compresses thiab meters los ntawm ib lub ntsiab channel. Lub barrier ntsia hlau cais cov khib nyiab los ntawm yaj thaum lub sij hawm hloov. Ib qho kev sib xyaw ua ke ntxiv cov khoom kawg uas rov faib cov molten polymer. Qhov kev xaiv zoo tshaj yog nyob ntawm seb koj cov khoom tseem xav tau ua ntej nws mus txog qhov tuag.
Teb ceev
Xaiv ibpa ntsia hlaurau qhov ruaj khov, tsis tu ncua pellet pub thiab cov zis nruab nrab thaum ua haujlwm yooj yim yog qhov tseem ceeb. Xaiv ibbarrier ntsia hlauthaum cov kab xav tau ntau dua melting thiab ruaj khov tso zis ntau dua, tshwj xeeb tshaj yog rau PE thiab PP. Xaiv ibsib tov ntsia hlauthaum melt-temperature uniformity, xim tis lossis additive dispersion yog qhov teeb meem loj.
Barrier thiab kev sib xyaw ua haujlwm tsis yog kev sib koom ua ke. Nanhaiya uaaluminium-yas vaj huam sib luag ib leeg ntsia hlauPiv txwv li, siv cov txheej txheem sib xyaw ua ke los txhawb kev yaj, yaj-kub sib xws thiab kev faib cov xim thiab cov nplaim hluav taws.
Pa, barrier thiab mixing ntsia hlau sib piv
| Tsim | Core geometry | Txoj hauj lwm tseem ceeb | Muaj zog haum | Saib taw tes |
|---|---|---|---|---|
| Cov pa | Ib lub dav hlau loj nrog pub, compression thiab metering zones | Thawv, yaj thiab ntsuas cov khoom uas xav tau | Uniform pellets, nruab nrab cov zis, ncaj qha extrusion | Melting muaj peev xwm thiab yaj uniformity yuav ua limiting raws li tus nqi nce |
| Barrier | Lub dav hlau tseem ceeb ntxiv rau lub dav hlau undercut barrier tsim cov khib nyiab thiab yaj raws | Cais cov khib nyiab unmelted los ntawm yaj thiab tswj txoj kev melting | High-speed PE / PP, zaj duab xis, yeeb nkab thiab lwm cov kab tawm-sensitive | Channel geometry yuav tsum ua raws li cov polymers yaj tus cwj pwm thiab lub hom phiaj tus nqi |
| Sib tov | Ib qho yooj yim los yog barrier puag ntsia hlau ntxiv rau Maddock, pineapple, tus pin los yog lwm qhov sib xyaw ua ke ze ntawm qhov kawg paug | Rov faib cov yaj thiab txo qhov kub, xim lossis muaj pes tsawg leeg variation | Zaj duab xis, xim khoom, masterbatch cia-down, daim ntawv thiab vaj huam sib luag | Lub tov khoom tsis tuaj yeem them nyiaj rau qhov teeb meem pub los yog qhov tsis zoo ntawm cov melting seem |
| Barrier + sib tov | Barrier melting seem ua raws li kev sib xyaw ua ke | Muab cov khib nyiab / yaj sib cais nrog qhov kawg homogenization | High-tso daim ntawv thov uas kuj xav tau yaj thiab xim uniformity | Ntxiv shear thiab siab thov yuav tsum haum rau cov resin, lub cev muaj zog thiab tuag |
Nanhaiya tam sim noib leeg ntsia hlau chim qhiatxhais tus qauv ntsia hlau raws li ib qho kev ya davhlau, peb cheeb tsam tsim; ib tug barrier ntsia hlau raws li ib tug tsim nrog ib tug thib ob davhlau uas cais cov khib nyiab los ntawm yaj; thiab sib tov ntsia hlau ua ib qho nrog Maddock, pineapple lossis tus pin seem nyob ze rau qhov kawg.
Dab tsi hloov hauv lub thoob?
Cov pa
Cov khoom thiab yaj sib faib tib lub ntsiab channel thaum lub davhlau qhov tob txo.
Barrier
Melt hla lub davhlau ya nyob twg hauv qhov tsis sib haum thaum cov khoom tsis sib haum tseem nyob hauv cov khoom khib nyiab.
Sib tov
Cov khoom kawg faib thiab recombines lub yaj los txhim kho uniformity.
Lub hauv paus ntsiab lus ntawm cov txheej txheem barrier yog sau tseg nyob rau hauv barrier-ntsia hlau patents: lub thib ob davhlau faib cov kev hloov chaw mus rau hauv ib tug solids channel thiab yaj channel, thaum lub barrier clearance tso cai rau molten polymer hla thiab khaws cov khoom loj dua. Ib qho piv txwv yogua 4770539a, uas piav qhia txog kev hloov pauv ntawm cov khib nyiab thiab yaj txoj hauv kev.
Thaum ib tug pa ntsia hlau yog cov lus teb yog
Ib tug pa ntsia hlau tsis yog ib tug inferior ntsia hlau. Nws tus nqi yog kwv yees ua haujlwm nrog cov khoom paub. Sib sib zog nqus pub flights txais cov khoom pellets, seem compression txo qhov tob channel, thiab metering seem xa ib tug ntiav ntiav, zoo ib yam li yaj channel rau cov tuag.
Nws yog qhov kev xaiv ua tau zoo thaum cov resin twb tuaj txog raws li cov pellets tsis sib xws, lub hom phiaj tso zis yog nruab nrab, xim thiab cov khoom siv ntxiv yog ruaj khov, thiab cov qauv peb cheeb tsam tam sim no ua tiav melting. Nws tseem yog qhov yooj yim dua rau kev tsim dua tshiab thaum tus neeg siv khoom xav tau kev hloov pauv raws li kev kos duab yam tsis hloov cov txheej txheem.
Qhov kev txwv tseem ceeb tshwm sim thaum cov khoom tsis yaj tag nrho nyob rau hauv lub sijhawm hloov pauv. Kev tsa cov ntsia hlau nrawm tuaj yeem ua rau kom tsis txhob yaj, yaj-kub variation lossis siab tsis ruaj khov. Qhov ntawd yog lub ntsiab lus los sib piv qhov ntev melting seem, ib qho kev tsim thaiv lossis qhov sib tov zaum kawg - tsis yog xav tias lub rhaub dej kub ntau dua los daws qhov teeb meem geometry.
Yuav ua li cas barrier ntsia hlau hloov
Ib tug barrier ntsia hlau ntxiv ib tug thib ob davhlau los ntawm lub melting seem. Lub davhlau barrier muaj ib tug clearance uas tso cai rau yaj mus rau hauv lub yaj channel, thaum unmelted solids txuas mus rau ib tug cais channel. Raws li melting zuj zus, cov khib nyiab channel poob ntim thiab cov yaj channel nce ntim.
Nanhaiya pom zoo thaiv cov ntsia hlau rau kev kub ceev PE thiab PP extrusion thiab ua ke nrog cov ntsiab lus grooved-feed qhov twg yuam kom noj. Lub tuam txhab cov lus qhia kuj pom zoo kom ntev L / D nrog rau kev thaiv lossis kev sib xyaw rau LDPE thiab HDPE zaj duab xis tshuab.
Vim li cas cov neeg yuav khoom qhia nws
Kev tswj ntau dua melting, tsawg dua unmelted hais, ntau ruaj khov tso zis muaj peev xwm thiab zoo yaj-kub sib xws.
Vim li cas cov factories yuav tsum sib phim nws
Lub barrier pib taw tes, davhlau clearance, solids-channel txo thiab yaj-channel kev loj hlob yuav tsum haum lub polymer thiab kev khiav hauj lwm tus nqi.
Yam khoom siv
PE thiab PP zaj duab xis, yeeb nkab, ntawv thiab lwm yam pellet-fed extrusion qhov twg throughput thiab tag nrho melting ob qho tib si teeb meem.
Common upgrade trigger
Tsis tu ncua los yog yaj-kub hloov pauv ntawm lub hom phiaj tus nqi tom qab pub, tswj qhov kub thiab txias tau raug kuaj xyuas.
Yuav ua li cas sib tov ntsia hlau hloov
Ib qho kev sib xyaw yog ib txwm muab tso rau ntawm qhov kawg ntawm lub hau, tom qab feem ntau lossis tag nrho cov polymer tau yaj. Maddock, pineapple thiab pin geometries tsis yog txhua yam ua haujlwm raws nraim tib txoj kev, tab sis txhua tus tsim rov faib thiab rov ua dua ntawm cov yaj.
Lub hom phiaj tsis yog "ntau dua shear." Ib qho kev sib xyaw ua ke zoo yuav tsum hais txog qhov tsis xws luag ntawm cov kab no: qhov kub-kub bands, xim streaks, tsis zoo additive faib los yog tsis tiav homogenization. Ib qho kev txwv tsis pub muaj peev xwm ntxiv qhov kev thov siab thiab cua sov, yog li nws cov geometry yuav tsum tau xaiv nrog cov resin viscosity, ntsia hlau ceev thiab tuag tsis kam hauv siab.
Nanhaiya uapob tshab granulation ib leeg ntsia hlausiv L / D ntev dua, kev tshaj tawm compression-qhov sib piv ntawm 2.0: 1-2.5: 1, qis kev sib hloov ceev thiab cov khoom sib xyaw ua haujlwm zoo rau PS kev faib tawm. Nws cov nplooj ntawv cov khoom tseem teev cov hard-chrome electroplating, ib qho kev hloov pauv ntawm lub taub hau ntsia hlau thiab cov grooves uas tsis muaj kev cuam tshuam thiab cov xov kom txwv cov ces kaum tuag thiab kev sib kis kab mob thaum hloov xim.
Hom ntsia hlau twg haum rau daim ntawv thov?
| Daim ntawv thov lossis cov tsos mob | Pib ntsia hlau mus kom ze | Nanhaiya lub vev xaib cov ntaub ntawv siv | Cov khoom siv sab hauv |
|---|---|---|---|
| LDPE / LLDPE / HDPE zaj duab xis; tsis ruaj tsis khov thickness los yog melt-temperature bands | Ntev L / D nrog kev thaiv lossis qhov sib xyaw | Tshaj tawm txoj kab uas hla 30-150 mm; L/D xaiv 25:1, 28:1, 30:1, 33:1 thiab 35:1; Cov ntaub ntawv siv tau suav nrog LDPE, LLDPE, HDPE, PP thiab PVC | LDPE / HDPE Zaj duab xis Ib Screw |
| Kev kub ceev PE lossis PP extrusion | Barrier ntsia hlau, feem ntau nrog grooved pub | Nanhaiya phau ntawv qhia pom zoo rau kev thaiv kab lus rau kev kub ceev PE / PP thiab ntev L / D rau zaj duab xis uniformity | Ib Screw qeb |
| Aluminium-yas vaj huam sib luag nrog colourant los yog nplaim retardant | Barrier plus mixing section | Tshaj tawm ntau txoj kab uas hla Φ65, Φ90, Φ120 thiab Φ150 mm; barrier-hom sib tov; tungsten-carbide dual-alloy nto rau nplaim-retardant formulations | Aluminium-Plastic Vaj Huam Sib Luag Ib Screw |
| Pob tshab granulation thiab nquag hloov xim | Ntev L / D, me me compression thiab sib tov zoo | Tshaj tawm compression piv 2.0: 1–2.5: 1; hard-chrome nto; smooth lub taub hau hloov thiab uninterrupted grooves | Pob tshab Granulation Ib Screw |
| Rigid PVC lossis lwm yam khoom siv cua sov | Maj mam cov pa geometry lossis cov khoom tsim tshwj xeeb; zam tsis tsim nyog shear | Nanhaiya cov khoom lag luam teev npe dav dav L / D 20: 1-30: 1 thiab hais tias PVC feem ntau siv 20: 1-25: 1 | PVC yeeb nkab ib leeg ntsia hlau |
| Filled, iav-fiber los yog recycled formulation | Geometry xaiv rau pub thiab yaj; hnav-resistant nto ntxiv cais | 38CrMoAlA, SACM645 thiab 42CrMo puag xaiv; ion nitriding mus txog HV1000-1200; alloy hardness saum HRC60 ntawm nplooj ntawv hnav-resistant | Super Wear-Resistant Ib Ntsia Hlau |
Cov kev xav tau sib xyaw tuaj yeem tshaj qhov uas ib qho ntsia hlau yuav tsum ua kom tsim nyog. Yog hais tias cov kab yuav tsum disperse ib tug siab hmoov los yog muab tub lim load, pub heev tsawg-bulk-density khoom los yog ua intensive compounding, piv Nanhaiya'sparallel ntxaib ntsia hlauntau yam es tsis ntxiv qhov txwv ib leeg-ntsia hlau.
Xa Nanhaiya koj tam sim no ntsia hlau teeb duab, resin, additives, tso zis, ntsia hlau ceev, siab thiab cov duab tsis xws luag. Pab pawg kws tshaj lij tuaj yeem sib piv ib qho kev hloov pauv nrog kev thaiv, sib xyaw lossis ua ke geometry.
Thov Kev Ntsuam Xyuas Screw DesignNanhaiya ib leeg-ntsia hlau qauv data
Cov qauv hauv qab no yog luam tawm ntawm Nanhaiya's liveIb Screw qeb nplooj. Kev xaiv zaum kawg tseem nyob ntawm cov khoom siv, cov khoom lag luam, tuag, lub cev muaj zog thiab lub hom phiaj kab ceev.
| Qauv | L/D | Cov zis (kg / h) | Screw ceev (rpm) | Lub cev muaj zog (kW) | Center qhov siab (mm) |
|---|---|---|---|---|---|
| NWS 20 | 20: 1 | 3–5 | 10–60 : kuv | 1.1 / 1.5 / 2.2 | 1000-1400 Nws |
| NWS 25 | 25: 1 | 5–8 | 10–60 : kuv | 2.2 / 3.0 / 4.0 | 1000-1400 Nws |
| NWS 30 | 25: 1 | 5–10 | 10–60 : kuv | 2.2 / 3.0 / 4.0 | 1000-1400 Nws |
| NWS 45 | 25–36:1 : kuv | 10–120 : kuv | 10–150 : kuv | 5.5–22 | 1000-1400 Nws |
| NWS 65 | 25–36:1 : kuv | 60-300 Nws | 20–150 : kuv | 22–75 : kuv | 1000 |
| NWS 75 | 25–36:1 : kuv | 200-450 Nws | 20–150 : kuv | 30–132 : kuv | 1000 |
| NWS 90 | 25–36:1 : kuv | 180-600 Nws | 20–110 : kuv | 30–185 : kuv | 1000-1100 Nws |
| NWS 120 | 25–36:1 : kuv | 320-1000 Nws | 20–90 : kuv | 75–280 : kuv | 1000-1250 |
| NWS 150 | 25–36:1 : kuv | 400-1300 Nws | 20–75 : kuv | 90-400 Nws | 1000-1300 Nws |
Cov kab no qhia tias vim li cas "kev thaiv lossis kev sib xyaw?" tsis tuaj yeem teb los ntawm txoj kab uas hla ib leeg. Cov npe NHY65, piv txwv li, ncua 60-300 kg / h thiab 20-150 rpm. Cov ntsia hlau lub davhlau tsim yuav tsum raug xaiv rau cov khoom siv thiab qhov chaw ua haujlwm tiag tiag hauv qhov ntau.
Geometry thiab nto engineering daws teeb meem sib txawv
Barrier thiab mixing geometry txiav txim seb lub polymer txav thiab yaj. Hlau, nitriding, hardfacing thiab coatings txiav txim siab ntev npaum li cas lub geometry resists hnav thiab corrosion. Ib qho tawv tawv tsis kho txoj kev tsis zoo, thiab txoj kev ua kom zoo tshaj plaws yuav tsis nyob ruaj khov yog tias lub davhlau tshem tawm qhib.
Nanhaiya luam tawm cov ntaub ntawv ib leeg-ntsia hlau thiab chim hauv qab no hauv nws phau ntawv qhia tam sim no:
| Parameter | Tshaj tawm Nanhaiya tus nqi | Specification cuam tshuam |
|---|---|---|
| Cov khoom siv hauv paus | 38CrMoAlA; W6Mo5Cr4V2 thiab HIP hmoov hlau kuj tau teev tseg | Core zog thiab muaj nyob rau saum npoo-kho txoj kev |
| Ib leeg-ntsia hlau kam rau ua | ± 0.001 hli | Reproducing geometry thiab haum |
| Kev ncaj | 0.015 hli / m | Alignment los ntawm lub thoob |
| Tempering hardness | HB 260–290 | Cov yam ntxwv tseem ceeb ua ntej nto engineering |
| Nitriding hardness | HWV 900–1100 | Nto hnav tsis kam |
| Nitriding qhov tob | 0.5-0.8 hli | Hardened case qhov tob |
| Bimetallic hardness | HRC 56–65; tungsten-ntxiv txheej teev nyob rau ntawm 62 HRC | Abrasive thiab corrosive kev pab |
| Bimetallic qhov tob | 2.0-3.0 hli | Alloy txheej muaj rau hnav |
| Nto roughness | Rau 0.4 | Melt contact, tuav thiab ntxuav tus cwj pwm |
Rau kev hnav hnyav dua, Nanhaiya'sSuper Wear-Resistant Ib Ntsia Hlaunplooj ntawv teev 38CrMoAlA, SACM645 thiab 42CrMo lub hauv paus steels, alloy hardness saum HRC60, ion-nitrided hardness mus txog HV1000-1200, PTA vuam nyob rau sab saum toj thiab sab ntawm lub davhlau, thiab tungsten-carbide los yog npib tsib xee-raws li qhov chaw. Tib nplooj ntawv hais tias cov txheej txheem saum npoo tuaj yeem txuas ntxiv kev pab cuam lub neej los ntawm 3-8 zaug.
Lub Hoobkas xav tau dab tsi ua ntej xaiv cov ntsia hlau hom
- Tshuab thiab kos duab:extruder hom, qauv, ntsia hlau txoj kab uas hla, zoo ntev, kev twb kev txuas, flange, pub caj pas thiab chim qhov ntev.
- Polymer thiab formulation:qib cob qib, muab tub lim, iav fiber ntau, nplaim retardant, xim, cov ntsiab lus siv dua tshiab thiab daim ntawv pub.
- Khoom thiab tuag:zaj duab xis, yeeb nkab, ntawv, vaj huam sib luag, profile lossis granulation, ntxiv rau hom tuag thiab siab keeb kwm.
- Chaw ua haujlwm:phiaj kg/h, ib txwm ntsia hlau ceev, lub cev muaj zog load, cheeb tsam kub, yaj kub thiab kab ceev.
- Tsis zoo:unmelt, xim streaks, kub bands, surging, dub specks, siab lub cev muaj zog load los yog ceev ceev.
- Hloov lub hom phiaj:kev yug me nyuam, cov zis ntau dua, kev sib xyaw ua ke zoo dua, qis dua melt kub los yog hnav lub neej ntev dua.
Nanhaiya cov txheej txheem kev txiav txim luam tawm nug txog cov ntsiab lus ntawm lub tshuab, polymer thiab formulation, lub hom phiaj tso zis thiab paub txog cov teeb meem tsim khoom. Lub vev xaib hais txog lub sijhawm hais lus tsis pub dhau 12 teev, 24-48 teev cov khoom xa tuaj rau tus qauv screws los ntawm Tshuag, thiab lub voj voog 30-40 hnub rau cov khoom customized.
Tib txoj kab uas hla tuaj yeem ua rau cov khoom sib txawv thiab cov khoom tawm. Xa cov duab kos, tsim thiab kab cov ntaub ntawv kom Nanhaiya tuaj yeem qhia txog L / D, compression, barrier pib, tov khoom thiab kev kho deg ua ke.
Xa Koj Cov Lus Qhia Ib-ScrewCov lus nug uas nquag nug
Puas yog ib qho ntsia hlau thaiv ib txwm zoo dua li cov ntsia hlau ib txwm?
Tsis yog. Ib qho kev sib tw ntsia hlau yog kev lag luam thiab txhim khu kev qha rau cov khoom siv sib xws ntawm cov khoom siv nruab nrab. Ib qho kev thaiv cov ntsia hlau yog qhov tseem ceeb tshaj plaws thaum tswj cov khib nyiab-thiab-kua sib cais txhim kho melting lossis tso cai rau kev ua haujlwm ruaj khov dua.
Puas yog ib qho kev thaiv cov ntsia hlau tseem sib xyaw cov polymer?
Ib txoj kab thaiv kev txhim kho melting los ntawm kev sib cais cov khib nyiab thiab yaj, tab sis nws tsis zoo ib yam li cov khoom sib xyaw zaum kawg. Cov kab uas xav tau ob qho tag nrho melting thiab xim los yog kub uniformity feem ntau muab ib tug barrier seem nrog ib tug tov khoom.
Kuv yuav xaiv qhov kev sib xyaw qhov twg?
Xaiv los ntawm qhov tseeb tsis xws luag thiab cov khoom siv. Maddock, pineapple thiab pin sections tsim sib txawv ntws faib, shear thiab siab thov. Muab cov resin, additive, tso zis, ntsia hlau ceev, tuag siab thiab qhov teeb meem zoo tam sim no ua ntej xaiv ib qho.
Cov qauv twg tsim nyog rau LDPE thiab HDPE zaj duab xis?
Nanhaiya pom zoo kom ntev L / D nrog ib qho kev thaiv lossis qhov sib xyaw rau zaj duab xis yaj uniformity. Nws LDPE / HDPE Zaj duab xis Ib Screw nplooj ntawv luam tawm txoj kab uas hla ntawm 30 mus rau 150 hli thiab L / D xaiv ntawm 25: 1, 28: 1, 30: 1, 33: 1 thiab 35: 1.
Ib qho kev sib xyaw puas tuaj yeem tshem tawm cov xim dub?
Tsis yog los ntawm nws tus kheej. Cov specks dub tuaj yeem los ntawm cov khoom tsis huv, khaws cia thiab degraded polymer, kub dhau, hnav, lim puas lossis tuag deposits. Ntsuas thiab ntxuav tag nrho cov khoom siv ua ntej hloov cov ntsia hlau geometry.
Puas yuav tsum muaj kev thaiv lossis sib xyaw cov ntsia hlau yog nitrided lossis bimetallic?
Geometry thiab nto yog cov kev xaiv sib cais. Nanhaiya pom zoo kom nitriding rau huv nkauj xwb cob thiab bimetallic los yog tungsten-carbide systems rau sau, recycled, PVC los yog lwm yam abrasive thiab corrosive luag hauj lwm.
Tau txais ib qho Screw Matched rau Koj Cov Lus Nug thiab Tso Tawm
Zhoushan Nanhaiya Yas Machinery Co., Ltd.muab cov pa, barrier, sib tov thiab daim ntawv thov tshwj xeeb ib leeg screws thiab chim. Lub vev xaib Nanhaiya teev NHY20 txog NHY150 qauv, cov khoom siv kho mob thiab cov txheej txheem saum npoo, thiab kev txhawb nqa rau zaj duab xis, yeeb nkab, ntawv, vaj huam sib luag thiab daim ntawv thov granulation.
Tau txais cov lus hais hauv 12 teev Saib Ib Cov Ntsia Hlau QauvEmail:info@nhyscrew.com ib
Xov tooj:+86-13505809643· Txawb:+86-13587082002
Chaw nyob: Block C, No. 2 West Section, Xingzhou Avenue, Dinghai District, Zhoushan City, Zhejiang Province, Suav teb
