Xaiv txoj caiIb Screw chim rau Extrusion yeeb nkabyog qhov tseem ceeb rau kev ua tiav cov txiaj ntsig zoo hauv kev tsim khoom. Cov yam tseem ceeb xws li cov khoom siv sib xws, L / D piv, thiab kev kho saum npoo ncaj qha cuam tshuam kev ua haujlwm thiab kev ua haujlwm. Cov ntaub ntawv tsis sib xws tuaj yeem ua rau galling thiab hnav, thaum kawg txo cov melting efficiency thiab tso zis zoo. Yog li ntawd, cov tuam txhab lag luam yuav tsum ua ntej xaiv cov khoom tsim nyog los txhim kho lawv cov peev xwm tsim khoom, tshwj xeeb tshaj yog thaum siv aVented Ib Ntsia Hlau Extruder. Tsis tas li ntawd, rau cov neeg ua haujlwm tshwj xeeb nrog PVC, lubPVC yeeb nkab ib leeg ntsia hlau chimyog ib qho tseem ceeb los xyuas kom meej cov khoom zoo. Tsis tas li ntawd, lubIb leeg ntsia hlau Extruder rau Tubedaim ntawv thov kuj yuav tsum tau ua tib zoo xaiv kom tau raws li cov kev cai tshwj xeeb ntawm cov kab ntau lawm.
Cov ntsiab lus tseem ceeb rau kev xaiv
Khoom Compatibility
Material compatibilityplays lub luag haujlwm tseem ceeb hauv kev ua haujlwm thiab kev ua haujlwm ntev ntawm ib lub taub hau ntsia hlau. Xaiv cov ntaub ntawv zoo tuaj yeem cuam tshuam kev hnav thiab kev ua neej. Nov yog qee cov ntsiab lus tseem ceeb los xav txog:
- Kev xaiv cov khoom tsis raug: Xaiv cov khoom siv tsis zoo tuaj yeem ua rau lub zog ua haujlwm tsis txaus, thaum kawg ua rau lub neej luv ntawm ob lub ntsia hlau thiab lub thoob.
- Thaum tshav kub kub kho Hardness: Yog tias kev kho cua sov hardness ntawm qhov chaw ua haujlwm tsis ua raws li cov qauv xav tau, nws tuaj yeem ua kom nrawm nrawm.
- Fillers hauv Extruded Khoom: Lub xub ntiag ntawm cov fillers, xws li calcium carbonate lossis iav fiber ntau, tuaj yeem ua rau hnyav hnyav ntawm cov ntsia hlau thiab lub thoob.
Hom hnav uas tuaj yeem tshwm sim muaj xws li:
- Kev puas tsuaj: Ua los ntawm cov fillers los yog cov resin pleev.
- Corrosive Hnav: Ua los ntawm additives nyob rau hauv cov resin.
- Adhesive Hnav: Tawm los ntawm kev sib txhuam ntau dhau ntawm lub thoob thiab ntsia hlau.
L/D Ratio
L / D ratio, uas yog qhov sib piv ntawm qhov ntev ntawm cov ntsia hlau rau nws txoj kab uas hla, yog qhov tseem ceeb rau kev ua kom zoo dua cov txheej txheem extrusion. Qhov kev xaiv ntawmL/D ratiotuaj yeem cuam tshuam kev sib xyaw, melting efficiency, thiab tag nrho cov zis zoo. Nov yog qee qhov kev nkag siab:
| Hom Polymer | Qhov zoo tshaj plaws L/D Ratio | Sau ntawv |
|---|---|---|
| Polyurethane | 28 L / D (rau L / D = 40) | Maximizes lub sij hawm nyob rau hauv cov tshuaj tiv thaiv cheeb tsam |
| Polyurethane | 16 L / D (rau L / D = 60) | Optimized rau industrial throughput |
| General | 20-30 | Muaj ntau yam rau ntau yam ntaub ntawv |
- Rau cov ntaub ntawv kub-rhiab zoo li PVC, qhov sib piv L / D me me yog pom zoo kom tiv thaiv kev puas tsuaj.
- Cov ntaub ntawv kub thiab siab siab tau txais txiaj ntsig los ntawm qhov loj dua L / D piv.
- Cov kev xav tau qis dua, xws li kev rov ua dua tshiab, tuaj yeem siv qhov sib piv L / D me dua.
- Cov ntaub ntawv granular yuav xav tau L / D ratios me dua vim yog plasticization, thaum cov hmoov xav tau qhov sib piv loj dua.
Qhov ntau dua L / D piv feem ntau ua raulub sij hawm nyob ntev dua, txhim khu kev sib tov thiab melting. Txawm li cas los xij, qhov sib piv ntau dhau tuaj yeem ua rau muaj zog siv zog thiab hnav.
Kev kho saum npoo
Kev kho deg cuam tshuam cuam tshuam rau kev ua haujlwm ntev thiab kev ua haujlwm ntawm ib lub taub hau ntsia hlau. Ntau yam kev kho mob tuaj yeem txhim kho kev tiv thaiv corrosion thiab txo kev tu ntau zaus. Xav txog cov kev xaiv hauv qab no:
| Kev kho saum npoo | Kev piav qhia | Qhov cuam tshuam rau Corrosion Resistance |
|---|---|---|
| Nruab nrab Carbon Steel & Alloy Steel | Siv rau saum npoo quenching, chromium plating | Txhim kho corrosion kuj |
| Alloy hlau, Nitrided hlau | Kev kho roj nitriding | Txhim kho hnav thiab corrosion kuj |
| Ion Nitriding tshuab | Advanced nitriding txheej txheem | Ntxiv mus, txhim kho corrosion kuj |
| Txau Txheej | Kev siv cov alloys hnav-resistant | Kev txhim kho tseem ceeb hauv corrosion kuj |
| Tshwj xeeb Alloy hauv ob sab phlu | Cam khwb cia hlau los yog hlau nrog alloy hauv ob sab phlu | Muab siab corrosion kuj |
Kev kho saum npoo kuj cuam tshuam rau kev tu ntau zaus. Piv txwv li:
| Txheej Txheem Kho Nto | Qhov cuam tshuam rau kev sib txhuam | Kev cuam tshuam rau Kev Kho Lub Sij Hawm |
|---|---|---|
| Nitriding | Minimizes kev sib txhuam | Txo kev tu ncua zaus |
| Electroplating | Txhim kho smoothness | Txo kev tu ncua |
Los ntawm kev xaiv qhov kev kho kom haum rau saum npoo, cov tuam ntxhab tuaj yeem ua kom lawv cov ntsia hlau ib leeg rau cov yeeb nkab extrusion ua haujlwm tau zoo thiab yuav tsum tau saib xyuas tsis tu ncua.
Qhov cuam tshuam rau kev tsim khoom Efficiency
Kev cuam tshuam rau cov zis zoo
Covtsim ntawm ib lub taub hau ntsia hlau tseem cuam tshuam qhov zoontawm cov zis hauv cov txheej txheem extrusion. Cov yam tseem ceeb muaj xws li kev sib tov, plasticization, thiab yaj homogeneity. Piv txwv li, qhov tob ntawm cov ntsia hlau zawj sib txawv ntawm cov ntu. Cov grooves sib sib zog nqus nyob rau hauv ntu pub mis txhim kho lub peev xwm conveying tab sis tuaj yeem ua rau tsis sib xws yog tias sib sib zog nqus. Conversely, qhov ntiav grooves nyob rau hauv lub molten thiab homogenization seem nce shear tus nqi, txhim kho tshav kub hloov thiab sib tov. Txawm li cas los xij, yog tias cov grooves no ntiav dhau, lawv tuaj yeem txo qhov ntim ntawm extrusion.
Qhov sib txawv ntawm cov ntsia hlau thiab lub thoob kuj ua lub luag haujlwm tseem ceeb. Qhov sib txawv loj tuaj yeem ua rau muaj kev cuam tshuam thiab overheating, cuam tshuam tsis zoo rau plasticization. Tsis tas li ntawd, cov duab ntawm lub taub hau ntsia hlau cuam tshuam cov khoom ntws, cuam tshuam qhov kev pheej hmoo ntawm stagnation thiab thermal decomposition. Zuag qhia tag nrho, cov qauv tsim no sib sau ua ke txiav txim siab qhov ua tau zoo thiab zoo ntawm cov txheej txheem extrusion. Cov neeg tsim khoom tuaj yeem cia siab tias yuav txhim kho qhov sib xws, txhim kho kev ua haujlwm zoo, thiab kho cov kev daws teeb meem thaumxaiv txoj cai ib leeg ntsia hlau chimrau extrusion yeeb nkab.
Cov ntaub ntawv txheeb cais txhawb cov kev soj ntsuam no. Kev hloov kho kom zoo rau cov ntsia hlau ib leeg tuaj yeem ua rau 90% txo qhov tsis xws luag xws li pinholes, txhim kho kua muag tsis kam, thiab txhim kho elasticity.Qhov kub siab dua tuaj yeem tsim cov yeeb yaj kiab thinnernrog nce puncture zog, tshwj xeeb tshaj yog nyob rau hauv siab kub. Cov kev txhim kho no qhia txog qhov tseem ceeb ntawm kev xaiv lub thoob tsim tsim kom ua tiav cov txiaj ntsig zoo tshaj plaws.
Kev siv hluav taws xob
Kev siv hluav taws xob yog lwm qhov tseem ceeb cuam tshuam los ntawm kev tsim ntawm ib lub taub hau ntsia hlau. Cov qauv tsim tau zoo txhim khu kev hloov pauv cua sov thiab sib xyaw ua haujlwm, uas tuaj yeem ua rau muaj kev txuag hluav taws xob tseem ceeb. Piv txwv li, ntev screws nrog L / D ratios ntawm 30: 1 los yog ntau dua txhim kho cua sov hloov thiab shear-induced mixing. Txawm li cas los xij, lawv xav tau cov tshuab loj dua, uas tuaj yeem ua rau lub zog poob ntau dua.
Kev sib xyaw ua ke ntawm cov ntsia hlau tsim nrog qhov sib piv siab compression minimizes lub sijhawm nyob thiab txhim kho cov cua sov hloov mus, txhim kho lub zog efficiency. Cov ntawv ceeb toom qhia tias kev ua haujlwm siab ib leeg ntsia hlau tuaj yeem ua tautxo lub zog noj txog li 30%piv rau cov qauv qub. Cov nqi hluav taws xob txhua hli tuaj yeem txo qis li 20%. Qhov kev txo qis hauv kev siv hluav taws xob tsis yog tsuas yog txo cov nqi ua haujlwm xwb tab sis kuj tseem ua rau kev tsim khoom lag luam ruaj khov dua.
Kev Kho Kom Zoo
Maintenance zaus cuam tshuam ncaj qha rau tag nrho kev tsim khoom downtime. Kev saib xyuas tsis tu ncua txwv tsis pub muaj teeb meem me me los ntawm kev nce mus rau cov teeb meem loj, yog li txo qis kev poob qis. Hauv xyoo 2024, 67% ntawm cov tuam txhab tsim khoom tau tshaj tawm siv kev tiv thaiv kev saib xyuas los daws lub sijhawm ua haujlwm ntawm lub tshuab. Qhov kev cia siab ntawm kev saib xyuas tsis tu ncua qhia txog nws qhov tseem ceeb hauv kev ua haujlwm zoo.
Kev tu ntau dhau tuaj yeem ua rau kev tsim khoom qeeb thiab nce nqi. Yog li ntawd, cov tuam txhab tsim khoom yuav tsum sib npaug ntawm qhov tsim nyog tu thiab kev ua haujlwm txuas ntxiv. High-zoo ib leeg ntsia hlau chim, xws li cov tsim rau extrusion yeeb nkab, feem ntau yuav tsum tau tsis tshua muaj txij nkawm vim lawv durability thiab kev cia siab rau. Qhov kev ntseeg siab no cuam tshuam nrog kev cuam tshuam ntawm kev ua haujlwm tsawg dua, tso cai rau cov tuam txhab tswj hwm qib tsim khoom.
| Pov thawj | Kev piav qhia |
|---|---|
| 67% ntawm Manufacturing tuam txhab uas muag | Xyoo 2024, 67% ntawm cov tuam txhab tsim khoom tau siv kev tiv thaiv kev saib xyuas los daws lub sijhawm ua haujlwm ntawm lub tshuab, qhia tias muaj kev cia siab rau kev saib xyuas tsis tu ncua kom txo qis qis qis. |
| 51% ntawm Cov Kws Kho Mob | 51% ntawm cov kws kho mob hais txog lub sijhawm ua haujlwm ntawm lub tshuab thiab kev puas tsuaj yog ib qho ntawm lawv cov kev cov nyom saum toj kawg nkaus, qhia txog qhov tseem ceeb ntawm kev saib xyuas ntau zaus hauv kev ua haujlwm zoo. |
| 20 Lub Sijhawm Teev Tseg | Qhov chaw tsim khoom nruab nrab raug kev txom nyem 20 qhov teeb meem poob qis hauv ib hlis, hais txog qhov xav tau rau cov tswv yim kho kom zoo los txo cov xwm txheej no. |
Los ntawm kev xaiv txoj cai ib lub taub hau rau cov yeeb nkab extrusion, cov tuam ntxhab tuaj yeem txhim kho lawv cov kev ua haujlwm zoo, txhim kho cov khoom tsim tawm, thiab txo qis kev siv hluav taws xob thaum txo cov kev tu ncua.
Ntsuas Koj Cov Kev Xav Tau Tshwj Xeeb
Ntau lawm ntim
Thaum xaiv ib lub taub hau rau cov yeeb nkab extrusion, manufacturers yuav tsum xav txogntau lawm ntim. Ntau yam cuam tshuam rau qhov kev txiav txim siab no:
| Qhov xwm txheej | Kev piav qhia |
|---|---|
| Ntsia Hlau Diameter | Cuam tshuam tus nqi tso zis thiab kev ua haujlwm muaj peev xwm; cov diameters loj dua tso zis ntau dua tab sis yuav xav tau lub zog ntau dua thiab ua rau cov nqi siab dua. |
| Screw Length-rau-Diameter Ratio | Txiav txim siab lub sijhawm ua khoom siv thiab sib xyaw; Qhov sib piv ntau dua txhim kho kev sib xyaw tab sis tuaj yeem ua rau lub sijhawm ua haujlwm thiab lub zog siv zog. |
| Barrel Temperature Control | Qhov tseem ceeb rau cov khoom zoo ib yam; Kev tswj xyuas meej cuam tshuam rau cov khoom yaj thiab cov dej ntws, yuav tsum tau ua kom muaj cua sov thiab cua txias. |
| Lub cev muaj zog | Yuav tsum muaj peev xwm tsav lub hau ntswj thiab kov yeej cov khoom tsis kam; xav txog kev tsim khoom thiab kev siv hluav taws xob. |
Khoom Specifications
Cov khoom specifications ho cuam tshuam rau kev xaiv ntawmib leeg ntsia hlau chim tsim. Cov ntsia hlau ntev, thickness, thiab tag nrho cov tsim yuav tsum ua raws li lub hom phiaj ntawm cov txheej txheem extrusion. Cov yam ntxwv no cuam tshuam ncaj qha rau lub cev ntawm cov khoom pellets. Tsis tas li ntawd, kev teeb tsa ntawm ib leeg-ntsia hlau extruder tso cai rau kev tswj ntawm ntau yam tsis xws li kub, ntsia hlau ceev, thiab chim siab. Tailoring cov kev txwv no kom tau raws li cov kev xav tau tshwj xeeb ua kom pom kev ua tau zoo.
Kev txwv nyiaj txiag
Kev txwv nyiaj txiag ua lub luag haujlwm tseem ceeb hauv kev xaiv cov khoom siv thiab tsim qauv rau ib lub taub hau ntsia hlau. Cov neeg tsim khoom yuav tsum sib npaug tus nqi thiab kev ua haujlwm. Cov nqi siab dua rau cov ntaub ntawv zoo tuaj yeem ua rau kev txuag nyiaj mus ntev vim kev ua haujlwm ntev thiab txo kev txij nkawm. Cov ntaub ntawv pheej yig dua yuav tsis muab tib yam kev ua haujlwm lossis kev ua haujlwm ntev, cuam tshuam rau kev ua haujlwm tag nrho.
- Cov ntaub ntawv ua tau zoo feem ntau muaj cov nqi pib dua tab sis txuag nyiaj dhau sijhawm.
- Cov ntaub ntawv pheej yig yog tsim rau kev hnav me me tab sis tuaj yeem cuam tshuam kev ua haujlwm.
- Cov neeg tsim khoom yuav tsum ntsuas qhov kev xav tau ntawm kev ua haujlwm tiv thaiv kev txwv nyiaj txiag.
Los ntawm ua tib zoo soj ntsuam cov ntim ntau lawm, cov khoom specifications, thiab cov nyiaj txiag txwv, manufacturers muaj peev xwm txiav txim siab thaum xaiv ib tug ntsia hlau chim chim rau extrusion yeeb nkab.
Xaiv Txoj Cai Ib Screw chim rau Extrusion yeeb nkab
Specifications ntawm JT Ib Screw chim
JT Ib Leeg Screw Barrel rau Extrusion Yeeb Nkab nta cov kev qhia tshwj xeeb uas txhim kho nws cov kev ua tau zoo. Cov ntsiab lus tseem ceeb muaj xws li:
| Specification | Paub meej |
|---|---|
| Txoj kab uas hla (φ) | 60-300 hli |
| L/D ratio | 25-55 : kuv |
| Khoom siv | 38 CrMoAl |
| Nitriding hardness | HV ≥900 |
| Hnav tawm tom qab nitriding | 0.20 hli |
| Nto roughness | r 0.4m ua |
Cov kev qhia tshwj xeeb no ua kom ntseeg tau tias lub thoob tuaj yeem siv ntau yam khoom siv tau zoo, muab kev ruaj khov thiab ua haujlwm zoo hauv kev tsim khoom.
Daim ntawv thov hauv kev tsim cov yeeb nkab yas
JT Single Screw chim yogtseem ceeb hauv kev tsim ntau yam yeeb nkab yas. Nws ua tau zoo hauv kev tsim khoom:
- Cov kav dej PVC: Siv rau kev siv dej thiab dej.
- PPR Cov kav dej: Zoo tagnrho rau kev tsim cov dej thiab cua sov.
- ABS Tube: Feem ntau siv rau hauv cov ntawv thov kev lag luam.
Qhov versatility no tso cai rau cov tuam txhab ua kom tau raws li cov qauv kev lag luam sib txawv. Lub thoob tsim kom ntseeg tau tias cov dej ntws zoo ib yam, uas yog qhov tseem ceeb rau kev tswj cov khoom zoo.
Cov txiaj ntsig ntawm Kev Ua Haujlwm Zoo Tshaj Plaws
High-kev ua tau zoo tsim nyob rau hauv ib lub taub hau ntsia hlau muaj ntau yam zoo:
| Kev Ua Tau Zoo | Kev piav qhia |
|---|---|
| Txhim kho kev sib tov thiab yaj zoo | Txhim kho qhov uniformity thiab sib xws ntawm cov khoom ua tiav. |
| Txo kev siv hluav taws xob | Txo cov nqi hluav taws xob cuam tshuam nrog kev ua haujlwm. |
| Extended kev pab cuam lub neej | Ua kom lub neej ntev ntawm cov khoom siv, tshwj xeeb tshaj yog nrog cov ntaub ntawv nyuaj. |
Cov txiaj ntsig no pab txhawb kev txhim kho kev tsim khoom thiab cov khoom sib xws.Cov khoom zoo siab ua los ntawm cov khoom siv ruaj khov tiv taus hnav thiab corrosion, xyuas kom ruaj khov tso zis thiab qis zog noj.
Los ntawm kev xaiv txoj cai ib leeg ntsia hlau chim rau cov yeeb nkab extrusion, manufacturers tuaj yeem txhim kho lawv cov kev ua haujlwm zoo thiab cov khoom zoo.
Xaiv txoj cai ib lub taub hau ntsia hlau muaj ntau qhov kev txiav txim siab tseem ceeb. Manufacturers yuav tsum tsom rau:
| Kev txiav txim siab | Kev piav qhia |
|---|---|
| Kev Tswj Kub Kub | Qhov tseem ceeb rau kev tswj xyuas cov kev ua haujlwm kom zoo thiab tiv thaiv cov khoom degradation. |
| Khoom Compatibility | Xyuas kom meej tias lub taub hau ntsia hlau tuaj yeem tuav cov khoom tshwj xeeb uas tau ua tiav. |
| Hnav Resistance | Ib qho tseem ceeb rau lub neej ntev, tshwj xeeb tshaj yog nrog cov khoom siv abrasive; Cov kab bimetallic tau pom zoo. |
| Cov kev coj ua | Kev saib xyuas tsis tu ncua tuaj yeem txuas ntxiv lub neej ntawm lub taub hau ntsia hlau thiab tswj kev tsim khoom zoo. |
| Kev txiav txim siab nqi | Ntsuas ob qho tib si upfront nqi thiab mus sij hawm ntev durability thiab efficiency. |
Cov neeg tsim khoom yuav tsum ntsuas lawv tus kheej xav tau los txiav txim siab paub. Rau cov kev daws teeb meem tsim nyog thiab cov kws tshaj lij kev taw qhia, kev sab laj nrog cov neeg muag khoom paub tau pom zoo.
FAQ
Dab tsi yog qhov tseem ceeb ntawm L / D piv hauv ib lub taub hau ntsia hlau?
L / D piv cuam tshuam rau kev sib xyaw ua haujlwm thiab cov khoom siv sijhawm ua haujlwm, cuam tshuam tag nrho cov khoom tsim tawm zoo hauv cov txheej txheem extrusion.
Cov khoom siv compatibility cuam tshuam li cas rau kev ua haujlwm ntawm lub thoob?
Material compatibility ua kom pom kev hnav tsis kam thiab lub neej ntev, tiv thaiv cov teeb meem xws li galling thiab txhim kho melting efficiency thaum lub sij hawm tsim khoom.
Cov kev tswj xyuas dab tsi yuav tsum ua raws li cov neeg tsim khoom?
Cov neeg tsim khoom yuav tsum ua cov kev tshuaj xyuas tsis tu ncua thiab ntxuav kom tsis txhob hnav thiab ua kom muaj kev ua tau zoo ntawm ib lub taub hau ntsia hlau.
Lub sij hawm xa tuaj: Sep-10-2025