Qhov Tseem Ceeb Uas Ua Npuas Ncauj
Cov dej noo hauv cov khoom siv rawPP pellets nqus dej me me los ntawm ib puag ncig. Cov ntaub ntawv ntub dej vaporize nyob rau hauv siab extrusion kub, ua npuas npuas nyob rau hauv daim ntawv.
Tsis tsim nyog extrusion kub qhov chawQhov kub siab dhau lawm yuav ua rau cov khoom PP melts ntau dhau thiab ua rau cov pa tsis haum. Qhov kub thiab txias dhau ua rau tsis tiav plasticization, nqa cua mus rau hauv cov yaj.
Screw & feeding system teeb meemTsis ruaj tsis khov ceev ceev, ntsia hlau hnav lossis tsis zoo rov qab-siab tsis tuaj yeem tso pa tawm hauv PP molten, thiab huab cua yuav muab qhwv rau hauv daim ntawv hollow.
Pwm thiab calibration teeb meemThaiv pwm vents, qias neeg tuag nto los yog tsis raug calibration nqus tsev vacuum yuav qhia huab cua thaum daim ntawv.
Cov tswv yim daws kom tshem tawm npuas
✅ Qhuav raw cov ntaub ntawv ua ntej ntau lawmQhuav PP granules kom tshem tawm cov dej noo. Khaws kom qhuav qhov kub thiab sijhawm raws li cov khoom siv qib. Tsis txhob siv cov khoom siv damp siv ncaj qha.
✅ Optimize extrusion kub profileKho lub thoob thiab tuag kub. Tsis txhob cua kub ntau dhau. Xyuas kom tag nrho tab sis tsis dhau plasticization rau PP yaj.
✅ Kho cov ntsia hlau rov qab siab thiab pub tus nqiTeem kom haum rov qab siab los txhim kho yaj homogeneity. Ua kom nrawm nrawm nrawm kom tsis txhob nqus cua. Tshawb xyuas cov ntsia hlau tsis tu ncua.
✅ Tshawb xyuas cov vents thiab lub tshuab nqus tsev calibrationNtxuav extrusion tuag ntau zaus, ua kom lub qhov cua tsis muaj kev cuam tshuam. Stabilize lub tshuab nqus tsev rau daim ntawv calibration kom tsis txhob muaj cua nkag.
✅ Tswj cov khoom siv rov ua dua tshiabCov ntsiab lus siab regrind tuaj yeem nqa roj thiab impurities. Sib tov cov khoom siv rov ua dua tshiab nrog nkauj xwb PP hauv qhov sib piv tsim nyog.
Quick On-site Check List
- Cov ntaub ntawv nyoos puas ntub?
- Puas yog chim kub siab dhau lawm?
- Puas yog ntsia hlau rov qab-siab txaus?
- Cov vents puas huv si thiab qhib?
- Lub tshuab nqus tsev calibration puas ua haujlwm ib txwm?
Cov ntsiab lusNpuas faults ntawm PP hollow nplooj ntawv feem ntau yog los ntawm ya raws, volatile gas thiab entrapped cua. Pib tshawb xyuas los ntawm cov khoom siv raw kom qhuav, qhov ntsuas kub tsis zoo, ntsia hlau mob thiab tuag lub tshuab nqus tsev. Kev daws teeb meem ib ntus tuaj yeem tshem tawm cov npuas tsis xws luag thiab txhim kho cov khoom tiav tiav.
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