Ntau tus processors xaiv siv PVC board extrusion kab kom txo nqi peev. Txawm li cas los xij, hnav cov ntsia hlau-chim, kev laus tuag, tsis ruaj khov cua sov / cua txias thiab qhov chaw tsis raug cai feem ntau ua rau cov khoom tsis xws luag thiab kev poob qis.
Feem ntau Cov Tsis Zoo & Cov Rooj Teeb Meem rau Siv PVC Board Extrusion Kab
| Tsis muaj. | Cov tsos mob / Teeb meem | Cov laj thawj tseem ceeb (tshwj xeeb tshaj yog rau cov tshuab siv) | Kev daws teeb meem |
|---|---|---|---|
| 1 | Rough nto, txiv kab ntxwv-tev zoo nkauj | 1. Screw & chim hnav, tsis zoo plasticizing muaj peev xwm2. Tuag daim di ncauj kos, carbon tsuj roj 3. Melt kub tsawg dhau los yog tsis ruaj khov zone4. Raw khoom ya raws los yog impurity | 1. Txheeb xyuas qhov kev tshem tawm ntawm lub taub hau; kho lossis hloov cov khoom hnav 2. Ntxuav, polish tuag di ncauj; tshem tawm cov khoom kub hnyiab 3. Recalibrate kub sensors ntawm qub extruder4. Qhuav raw khoom; hloov lim npo pob raws sijhawm |
| 2 | Npuas, voids, nyiaj streaks nyob rau hauv lub rooj tsavxwm | 1. Cov ntaub ntawv noo noo siab dhau 2. Qhov chaw nres nkoj thaiv / lub tshuab nqus tsev vacuum ntawm siv chav tsev 3. Hauv zos overheating ua rau PVC decomposition4. Cov ntsia hlau hnyav hnyav ua rau lub siab tsis ruaj khov | 1. Qhuav PVC compound ua ntej pub mis2. Tshawb xyuas lub tshuab nqus tsev twj tso kua mis, foob lub nplhaib thiab lub qhov cua channel3. Txo hauv zos chim & tuag kub 4. Tshawb xyuas qhov hloov pauv siab; kho cov ntsia hlau sib dhos |
| 3 | Yellow streaks, dub specks / hlawv chaw | 1. Tuag ces kaum sab hauv tuag / adapter, qub carbon deposits2. Kub tawm-ntawm-tswj ntawm aging cua sov bands3. Lub sij hawm ntev cov khoom nyob rau hauv hnav extruder 4. Cov khoom uas tsis huv regrind | 1. Puv ntxuav & disassemble-huv lub taub hau tsis tu ncua2. Hloov faulty thermocouples thiab cua sov ntsiab 3. Kho cov ntsia hlau ceev, tsis txhob over-shearing 4. Tswj regrind ntxiv piv thiab purity |
| 4 | Board warping, curling tom qab txias | 1. Peb-roller calender kub imbalance2. Cov cua txias tsis sib xws los ntawm kev laus txias system3. Internal kev nyuaj siab tshwm sim los ntawm mismatched traction ceev 4. Tsis ruaj tsis khov thickness tawm los ntawm cov khoom siv hnav | 1. Hloov kho peb-cov menyuam kub qhov sib txawv2. Ntxuav cov kav dej txias, xyuas cov chiller kev ua haujlwm 3. Match rub ceev nrog cov zis extrusion tiag4. Stabilize qhov sib txawv tuag thiab yaj siab |
| 5 | Thickness fluctuation, dimension tsis ruaj khov | 1. Hnav ntsia hlau-chim ua rau cov zis viav vias2. Tuag bolt qaug zog, tuag di ncauj kis drifting3. Feeder tsis ruaj khov; qub zaus converter ceev drift4. Traction roller swb | 1. Ntsuas cov zis tiag tiag; overhaul extrusion chav tsev 2. Rov kho qhov tuag bolts, rov kho qhov di ncauj qhov sib txawv 3. Calibrate pub thiab traction ceev 4. Rov ua dua tshiab traction cov menyuam roj hmab nto yog hnav |
| 6 | Tsawg & fluctuating extrusion tso zis | 1. Screw davhlau hnyav hnyav, cov khoom rov qab-flow2. Thaiv qhov cua / lub tshuab nqus tsev tsis zoo 3. Cua sov system aging ua rau tsis zoo plastification4. Hopper bridging, pub mis tsis sib npaug | 1. Kho lossis txhim kho bimetallic ntsia hlau- chim sib dhos2. Ntxuav lub qhov cua, tswj lub tshuab nqus tsev twj 3. Hloov cov cua sov puas thiab kub tswj 4. Optimize feeding system, zam cov khoom siv bridging |
| 7 | Tuag daim di ncauj-tawm / dawb deposit build-up | 1. Lubrication formula imbalance2. Tuag nto ntxhib tom qab kev pabcuam ntev 3. Melt siab tsis ruaj khov vim kev siv tshuab | 1. Rebalance internal & external lubricant ratio2. Polish tuag sab hauv ntws channel3. Stabilize extrusion siab los ntawm kev kho tshuab |
Kev ceeb toom tshwj xeeb rau Siv / Ob txhais tes PVC Board Extrusion Equipment
Piv nrog cov khoom lag luam tshiab PVC board extrusion kab, cov tshuab siv thib ob tau zais cov kev pheej hmoo ntawm kev laus. Ntau qhov teeb meem zoo tsis yog los ntawm cov khoom siv raw khoom xwb, tab sis los ntawm cov khoom siv kho vajtse hnav.
- Kev tshuaj xyuas cov ntsia hlau thiab lub thoob yog qhov tseem ceebHigh-filler PVC cov mis yuav ua kom cov ntsia hlau hnav. Txawm hais tias tsis muaj thiab cov qauv tseem tsis hloov pauv, hnav cov ntsia hlau yuav ua rau cov yas tsis zoo, cov khoom tso tawm thiab ntau yam tsis xws luag. Nws raug nquahu kom kuaj xyuas cov ntsia hlau-thooj tshem tawm tsis tu ncua rau cov kab siv extrusion. Hloov lossis rov tsim dua ib zaug dhau qhov sib txawv.
- Calibrate tag nrho cov kub sensors & cua sov qhov chawCov extruders qub feem ntau muaj cov thermocouples tsis raug, cov cua kub kub kub. Cov zaub kub txawv heev los ntawm qhov kub thiab txias tiag tiag, uas yooj yim ua rau yellowing, hlawv lossis ua npuas dej tsis zoo. Recalibrate kub system ua ntej loj ntau lawm.
- Tshawb xyuas lub tshuab nqus tsev & cua txias kom tiavThaiv qhov cua, xau lub tshuab nqus tsev vacuum, scaling txias dej yeeb nkab yog ntau heev ntawm ob txhais tes PVC board machines. Cov kev ua txhaum zais cia no coj npuas, warping thiab tsis ruaj khov foaming ntom, uas yooj yim rau kev txiav txim tsis raug raws li cov teeb meem ntawm cov qauv.
- Match txheej txheem tsis raws li lub tshuab tiag tiagTsis txhob theej cov kev txwv los ntawm cov kab tshiab ncaj qha. Rau siv PVC board extrusion kab, koj yuav tsum tau fine-tune kub, ntsia hlau ceev, traction ceev raws li qhov tseeb plasticizing.
Kev siv cov PVC board extrusion kab tuaj yeem txuag peev peev, tab sis cov neeg ua haujlwm yuav tsum tau them nyiaj ntau dua rau kev siv tshuab, kev laus cua sov / lub tshuab nqus tsev qhov chaw ntxiv rau kev hloov kho mis. Feem ntau cov teeb meem extrusion tuaj yeem daws tau ib kauj ruam dhau los: xyuas lub tshuab kho vajtse → tshuaj xyuas qhov kub thiab txias & lub tshuab nqus tsev → optimize txheej txheem tsis → fine-tune raw-material formula.
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