Advanced sizing thiab calibration tshuab rau extruded profiles
Kev tsim cov siab -} Zoo extruded profiles yuav tsum tau soptoricated sizing thiab calibration tshuab los hloov cov khoom raug. Thaum cov ntaub ntawv tawm ntawm lub taub hau tuag hauv lub xeev molten, lawv cov duab tsis ruaj khov thiab yuav tsum tau hloov tam sim ntawd thiab nce los ntawm cov khoom siv tshwj xeeb.
Qhov txheej txheem tseem ceeb no txiav txim qhov tseeb ntawm qhov tseeb, cov khoom lag luam nto moo, thiab cov khoom siv mechanies ntawm cov kav dej kav. Cov khoom qab zib niaj hnub sawv cev rau kev sib cav ntawm thermal kev tswj, lub tshuab nqus tsev, thiab cov qauv kev lag luam engical.
Yeeb Nkab Diam Hlau Los Ntawm 16 Hli Rau 1200Mm
Kev thev xim kom nruj li ± 0.1mm
Lub ntiaj teb yas ua yeeb nkab ua lag luam, muaj nuj nqis ntawm $ 72.3, cia li nyob rau cov qauv zoo siab rau cov kav dej zoo siab rau cov kav dej Nrog rau kev loj hlob ib xyoos ntawm 6.8%, cov kev lag luam xav tau nce kev daws teeb meem uas muaj peev xwm siv ntau yam nrog rau PVC, PP, thiab Engineering Thermoplastics. Kev xaiv thiab txhim kho ntawm cov qauv tsim nyog ncaj qha rau cov kab kev ua kom zoo dua qub, nrog kev ruaj khov txoj kab ruaj khov hauv ± 0.5% ntawm nominal qhov tseem ceeb.
Cov ntsiab cai tseem ceeb ntawm cov yeeb nkab sizing
Kev hloov pauv ntawm extruded profiles los ntawm lawv lub xeev Molten mus rau qhov kawg qhov ntev koom nrog cov txheej txheem kho tshuab hluav taws xob.
Polymer tus cwj pwm thaum lub sijhawm extrusion
Thaum polymer yaj tawm ntawm kev tuag ntawm 180 Qib rau ntawm cov khoom siv phom ntev, nws ua pov thawj pom zoo ntawm cov khoom siv ntawm kev tuag.
Qhov kev nthuav dav no yuav tsum tau tswj thiab thim rov qab los ntawm cov kev qhia txog kev ua kom zoo thaum ib lub sijhawm tshem tawm cov qauv ntawm 500-2000 w / m² rau solorify cov qauv khoom.
Core siization ntsiab cai
Cov txheej txheem sizing fundentally ua haujlwm raws peb lub hauv paus ntsiab lus: Geometric Constraint, Kev Tswj thermal, thiab siab edial introl. Geometric Constraination muab cov qauv ntsuas hluav taws xob los ntawm precision {1} - ntu qhov tseeb ntawm cov profiles thoob plaws qib.
Siab plawg tswj, seb los ntawm lub tshuab nqus tsev ua haujlwm lossis kev ua haujlwm sab hauv, tsim cov zog ntawm 0.2-0.8 bar uas ruaj ntseg sib cuag ntawm cov yeeb nkab nto thiab cov khoom siv sizing.
Kev Tswj Cov Thermal
Tswj Kev Tshem Tawm Kev Tshem Tawm
Txias gradients hauv qab 15℃/ hli
Uniform crystallization hauv semi -} crystalline polymers
Kev tiv thaiv ntawm kev ntxhov siab sab hauv
Kev tswj hwm thermal muaj txiaj ntsig yog qhov tseem ceeb rau kev tsim cov siab -}} zoo extruded kav dej thiab lwm yam extruded profiles. Tus txheej txheem txias yuav tsum tau ua tib zoo tswj kom tshem cov cua sov ntawm tus nqi uas txwv tsis pub muaj crystallization ntawm semi- rechstalline polymers. Niaj hnub nimno lub tshuab ua haujlwm tau saib xyuas kub niaj hnub
Kev faib tawm cov qauv sizing
Cov kev nyiam sib txawv ntawm cov qauv zoo rau cov khoom lag luam tshwj xeeb thiab kev tsim khoom ntau
Kev faib tawm thoob ntiaj teb
Txoj kab uas hla sab nraud Qhov kev nyiam ua ke nrog cov qauv kev ua haujlwm thoob ntiaj teb xws li ISO 4065 thiab DINIFIFIFE cov kab uas ua yuam kev ntxiv rau cov txheej txheem extruded thiab cov txheej txheem sib xws.
Lub tshuab nqus tsev sizing
Siv rau cov kav dej ntawm 50-400mm txoj taub (62% ntawm kev teeb tsa)
Nqus Tsev Kawm: 40-66.7 KPA
Siab plawg: 0.4-0.6 bar
Peb Thaj Chaw Ua Haujlwm
Sab hauv siab
Siv rau me me diameters hauv qab no 110mm (28% ntawm kev teeb tsa)
Sab hauv Pressures: 0.3-1.0 bar
Huab Cua Flow: 50-200 L / Min
Ob Chav -} phab ntsa txias tso tes
Cov Txuj Tshwj Tshwj Xeeb
Siv rau loj - txoj kab uas hla uas hla hla tshaj 630 hli (10% ntawm kev teeb tsa)
Kev Cai Ua Haujlwm Ua Haujlwm
Txhim kho cov qauv kev txhawb nqa
Kev Ua Kom Txias Tshuab
Lub Tshuab Nqus Tsev Tshuab
Cov qauv kev ua haujlwm thiab cov qauv tsim qauv
Nqus cov tshuab thev naus laus zis muaj kev sib tw atmospheric siab kom compress mos extruded procision {{0} {} {}} kev ntsuas calibration tsho. Lub system tsim lub tshuab nqus tsev ntawm 40-66.7 KPA (300-500 mmHg), tsim kom muaj kev kub siab ntawm 0.4-0.6 bar uas siv tau unifoll radial yuam ntawm cov tshuab yeeb nkab.
Qhov kev quab yuam no, suav ua f= Δp × Δp × ib qho chaw sawv cev ntawm thaj chaw cov yeeb nkab sab npoo, feem ntau yog nyob ntawm 500-5000 ntawm cov yeeb nkab qhov ntev.
Lub tshuab nqus tsev calibration tank zones
Thawj cheeb tsam cua txias (25-30% ntawm qhov ntev): txo qis qhov chaw nruab nrab ntawm cov qib ua ntej txog 12-40 L / min.
Lub tshuab nqus tsev (40-50% ntawm qhov ntev): Muaj cov nqus tsev nqus tsev nqus (0.5-0.7mm inch) hauv cov qauv helical nrog 15-20mm spacing.
Thaj chaw zaum kawg: muab cua txias ntxiv kom txo cov yeeb nkab kom txo qis cov yeeb nkab kub hauv qab 60 degree, ua kom muaj kev ruaj khov seem.
Kev Ua Haujlwm Zoo
Lub nqus tsev kawm:
40-60 KPA txhim kho kev ncig los ntawm 15% thaum txo cov nplaim hluav taws ntawm 0.2 μm
Dej Txias Dej:
Kev pom zoo nyob rau hauv qhov kub ntawm 15-18℃nrog ΔT tsawg dua lossis sib npaug rau 5℃ntawm inlet thiab qhov hluav taws xob
Kab ceev:
Cov lus hais tsis meej: l {= k × v × d nrog k =8-12 rau cov ntaub ntawv feem ntau
Qhov zoo heev
Tshwj Xeeb Nto Ua tiav (RA <0.8 μm)
Phab Ntsa Thickness Uniformity (± 3%)
Tsis muaj kev ua cov khoom siv sab hauv tshem tawm cov kev pheej hmoo tsis huv
Superior tas ruaj khov (overnal <1.5%)
Tsawg heev ntawm kev nplua nuj kev ntxhov siab
Kev Txwv Kev Tsim Khoom
Less effective for pipes >630mm lub taub
Cov peev nyiaj siab dua ($ 50,000-150,000)
20-30% Ntau dua rub cov rog yuav tsum tau
Ntau cov kev saib xyuas ua tiav
Lub zog siv zog dua li cov kev sim siab
Sab Hauv Toj Siab Sizing
Cheebtsam
Cua Txhaj System
Pid -} tswj cov tshuab pneumatic pneumatic nrog ± 0.02 bar ruaj khov
Lub tes tsho txias
Ob npaug -} Phab ntsa kev siv nrog kauv dej dej ntws
Cua Foob Me System
EPDM lossis Silicone tebchaw nrog ntug dej a 60-70 hardness
Kub sensors
Kos rau ntawm 500mm sib nrug rau kev soj ntsuam kev soj ntsuam thermal
Lub kaw lus configuration thiab txheej txheem tswj
Sab hauv siab Sizing siv cua tshuab hluav taws xob mus txog ntawm kev tuag Mandrel kom nthuav ntawm cov khoom sib tw sab nraud tiv thaiv sab nraud. Lub kaw lus ua haujlwm ntawm kev ntsuas sab hauv ntawm 0.3 {}}}}}}}}}}}}}}}} ± ± 0.02 bar stability los ntawm pneumatic cov tshuab.
Cov pa dej ntws ntau zaus los ntawm 50-200 l / min nyob ntawm cov kab ntsig ntawm cov kab zauv uas xav tau rau extruded profiles tshaj 160 hli lub taub.
Cua txias tes tsho tsim
Ob npaug -} Phab ntsa kev siv nrog kauv dej dej ntws tawm ntawm cov lej kub dhau ntawm cov lej kub tshaj 10,000. Sab hauv saum npoo yuav tsum tau ra qhov tseem ceeb hauv qab no 0.3 μm.
Cov txheej txheem tswj tsis
Siab transducers nrog ± 0.1% ntsuas ntsuas ntawm 100 hz. Infrared pyrometers nrog ± 1℃qhov tseeb kom txias txias hauv qab cov iav hloov kub.
Cov yam ntxwv ua tau zoo
| Chaw ua uas tsis tau haus | Kev qhia tshwj xeeb | Yam uas pab |
|---|---|---|
| Cov Ntaus Ntau Lawm | 8-12 m / min (50-110mm cov taub) | 15-20% nrawm dua li lub tshuab nqus tsev |
| Nto tas | Ra 0.6-1.0 μm | Haum rau feem ntau muaj cov ntawv thov |
| Phab Ntsa Thickness Variation | 3-5% ib ncig ncig ncig | Lees txais rau feem ntau cov qauv |
| Kev Siv Zog | 30-40% tsawg dua li lub tshuab nqus tsev | Txo cov nqi ua haujlwm |
| Cov cuab yeej siv nqi | $30,000-80,000 | Qis peev peev |
Thawb -} los ntawm cov qauv sizing
Kev txiav txim siab cov txheej txheem
Dimensional control presents ongoing challenges with push-through systems for extruded profiles. Yog tsis muaj rub tawm sab nraud rog, muaj kev sib txawv hauv cov khoom siv tawm los yog kub ntxhov rau kev hloov pauv ntawm kev nce qib, cuam tshuam lub sijhawm txias thiab zaum kawg. Kev zam lub peev xwm feem ntau ua tiav ± 2-}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}.
Kev Ua Haujlwm Kev Ua Haujlwm thiab Kev Siv
Laub -}} los ntawm sizing dawb extrusion lossis compression sizing tes rau ntawm extruder siab los ntawm extruder siab yam tsis muaj rub tawm sab nraud rub. Cov txheej txheem tshem tawm haul {{2} Cov khoom siv tawm, txo kev nqis peev txheej thiab peev txheej los ntawm 40% piv rau cov kab sib xyaw.
Txoj kev no pom thawj daim ntawv thov hauv kev tsim cov me me -}}}} thickness piv rau hauv qab 10: 1. Cov khoom lag luam uas muaj cov khoom siv nruj ntawm 16 {{{{{{{{{8} rods li 100mm cov rhawv zeb, thiab cov khoom tshwj xeeb nrog cov kab hla kev sib txawv.
Ntsiab lus tseem ceeb
• Kev ua haujlwm siab: 50-150 bar
• Cov nqi ntau lawm: 0.5-2 m / min
• Qhov seem txias ntev: 3-5 meters
• Lub Tes Tsho Taper: 0.1-0.2 Qib
Cov Kev Txiav Txim Siab
• PVC with K-values >65 nyiam
• Polycolins xav tau cov qauv tshwj xeeb
• Zauv Temp: 5-10℃qis dua cov pa
• Melt viscosity >10hauv s
Tshaj Tawm Cua Txias Technologies
Kev tsim kho tshiab rau cov kev tswj hwm cua sov hauv cov txheej txheem yeeb nkab
Cov Khoom Siv Thaum Tshav Kub Kub Hloov Kho Techniques
Cua hlob heev
Cov ntxig helical thiab cov ntawv dai kom loj ua rau cov coefficients los ntawm 25-35% piv rau txoj kev du.
Txhaj Cua Txias Tshuab
Kev ua kom lub cev ua kom sov tsis dhau 3000 w / m², tshwj xeeb yog siv rau loj- txoj kab txoj kab uas hla ntawm txoj kab uas hla ntawm txoj kab uas hla.
Kev Kho Mob Dej
Kev tswj hwm kev ua haujlwm hauv qab 50 μs / CM tiv thaiv kev tsim ua kom haum, txhawb nqa cov kev ua kom zoo tshaj cua sov.
Kev sib xyaw nrog cov kab sib xyaw
Kev sib koom tes ntawm cov tshuab sizing thiab lwm yam kev sib sau ua ke
- Adjustable Mounting System Ua Haujlwm ± 50mm txoj haujlwm
- Cov riam cua los yog tsim cov hlau taw qhia cov kev sib tw
- Qhov kub thiab txias poob ntawm 20-30℃hauv kev hloov chaw
- Kev tiv thaiv ntawm kev ua tiav ntxov ntxov
Kev ceev ceev piv
Kev nrawm ntau feem ntau los ntawm 1.02: 1 txog 1.08: 1 tus account rau cov thermal meraction. Kev rub tawm ntau dhau ua rau thaj ntsa thinning thiab txoj kab uas hla kev, thaum tsis muaj peev xwm ua tau hauv cov khoom muaj peev xwm.
Extrusion Kab Txheej Txheem Flow
Polymer pellets yog pub rau hauv extruder, melted, thiab homogenized
Molten Polymer yog puab rau hauv qhov xav tau ntawm cov ntaub ntawv uas xav tau tuag
Extrudate yog txias thiab seem ruaj khov los ntawm cov sizing system
Yeeb nkab raug rho tawm ntawm txoj kab ntawm kev tswj cov nrawm nrawm nrawm nrawm
Cov yeeb nkab raug txiav kom ntev thiab npaj rau kev ua ntxiv lossis ntim khoom
Tswjhwm thiab ntsuas kev ntsuas rau cov khoom lag luam extruded
Tshaj thev naus laus zis rau kev ua kom pom tseeb qhov tseeb thiab cov khoom lag luam zoo
Laser scanning tshuab
Kawm sizing sizing tshuab sib xyaw ua ke yooj yim ntsuas thev naus laus zis siv tiag {}}} lub sij hawm cov lus taw qhia thoob plaws ntau lawm.
Operating frequency: >1000 hz
Kev daws teeb meem: Hauv qab 0.01 hli
Txog li 8 Laser taub hau rau 360℃kev pab them nqi
Kev ntsuas ntawm lub taub, ovality, thiab eccentricity
NTSIB Kev Ntsuas Ultrasonic
Ultrasonic phab ntsa thickness ntsuas kev ntsuas ua kom zoo dua saib xyuas cov ntsiab lus ntawm cov ntaub ntawv tseem ceeb rau kev tswj cov txheej txheem.
Multi - channel systems nrog txog 8 transducers
Kev Sib Hloov Ceev: 60-120 RPM
Qhov tseeb: ± 0.02 hli
Them rau qhov kub ntxhov
X - kev ntsuas xoo hluav taws xob
X - duab xoo hluav taws xob sawv cev rau cov thev naus laus zis ntawm cov profiles, muab cov tshuaj ntsuam xyuas kom meej.
Phab Ntsa Thickness Uncertainty: ± 0.015mm
Txoj kab uas hla yog: ± 0.03 hli
Tiag {- lub sij hawm hla -}} ntu kev pom
Tsis siv neeg tsis tuaj yeem cim lub peev xwm
Nto ua tiav zoo cuam tshuam cuam tshuam ntau cov khoom ua tau zoo, tshwj xeeb rau cov ntawv thov siab qhov twg cuam tshuam rau cov yam ntxwv thiab kev sib koom ua ke tau zoo. Cov tshuab tshuaj txuj ci siab ua kom zoo ib yam zoo nyob thoob plaws ntau lawm.
Tshuaj Ntsuam Xyuas Lub Tshuab
High - Cov yees duab daws teeb meem tshwj xeeb nrog cov kab khawb, thiab cov kab mob tsis sib thooj tau 95% rau kev tsis xws luag ntau dua 0.1mm.
Tawg teeb ntsuas
Laser - raws cov txheej txheem teeb pom kev los laij cov qauv hluav taws xob kom suav nrog lub tes tsho zoo nkauj.
Cov tswv yim Spectroscopic
Ze rau - Infrared spectroscopy paub txog kev nqus dej, dej noo}} {{{2} {.
Deg roughness sib piv
Deg nto qhov tseem ceeb (RA) hauv Micrometers rau cov kev sib txawv ntawm cov thev naus laus zis
Cov kev xav txog lub zog txuag hluav taws xob
Kev ua kom zoo siv cov kev siv hluav taws xob hauv cov yeeb nkab sizing thiab calibration tshuab
Muaj feem xyuam cov txheej txheem
Extrusion Sizing Kev Ua Zoo Tshaj
Kev qhia txog kev kho kom zoo tshaj plaws sizing cov qauv rau ntau cov ntaub ntawv polymer hauv cov khoom lag luam uas nthuav tawm thiab cov yeeb nkab loj.
Sizing System Ua Yeeb yaj kiab
Kauj Ruam - {-}}}}}}} cov tshuab nqus tsev thiab teeb meem sizing khoom.
Polymer ua phau ntawv qhia
Hauv - qhov tob qhov ntsuas ntsuas siv cov cwj pwm khoom, extrusion tsis, thiab tswj kev zoo.