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Corrugation collapse-ie, flattening los yog poob ntawm flute profile nyob rau hauv corrugated board-tseem ceeb cuam tshuam lub board lub compressive lub zog thiab, yog li ntawd, lub structural kev ncaj ncees thiab load- bearing muaj peev xwm ntawm tiav corrugated thawv. Qhov degradation no tshwm sim los ntawm ntau yam txheej txheem sib cuam tshuam thiab cov khoom siv. Cov kev soj ntsuam hauv qab no qhia txog cuaj qhov laj thawj tseem ceeb thiab qhia txog cov pov thawj-raws li kev ntsuas kev txo qis.
I. Keeb Kwm
1. Kev ua tsis zoo ntawm corrugating rollers (ua rau skewed flutes);
2. Txo cov flute qhov siab vim hnav los yog tsis raug calibrated corrugating rollers;
3. Tshaj tawm - tsim compression ntawm flutes thaum thauj lossis tuav;
4. Ntau dhau unwinding nro thov rau nruab nrab (core) ntawv yob;
5. Tshaj-saturation ntawm daim ntawv nruab nrab nrog chav, ua rau fiber ntau softening thiab poob ntawm rigidity;
6. Localized flattening ntawm daim ntawv thov cov ntsiab lus vim yog siab dhau los yog qhov chaw tsis zoo nyob rau hauv ib qho -facer lossis ob npaug - backer kua nplaum units;
7. Tsis sib npaug ntawm cov hlua khi sab sauv thiab sab hauv ntawm ob sab -backer, inducing lateral distortion thiab flute inclination;
8. Inherently low flute qhov siab los yog lub cev qhuav dej ua ntej yuav tshwm sim los ntawm cov ntawv nruab nrab tsis txaus los yog qhov ua tau zoo tshaj plaws;
9. Tsis txaus compressive zog (xws li, nplhaib crush test nqi) ntawm daim ntawv nruab nrab nws tus kheej.
II. Pom zoo ntsuas ntsuas
1. Precisely realign corrugating rollers siv laser alignment cov cuab yeej los xyuas kom meej parallelism nyob rau hauv ± 0.05 mm nyob rau hauv cov menyuam ntev;
2. Hloov lossis regrind hnav corrugating rollers; txheeb xyuas cov flute profile geometry ntawm micrometer ntsuas tiv thaiv qhov tshwj xeeb;
3. Ua ib txoj kab kev soj ntsuam tag nrho ntawm cov ntsiab lus hauv qab dej -xws li choj conveyors, preheat rolls, siab rolls, cua sov phaj siab tshuab, thiab hla - txiav feed rollers - txhawm rau txheeb xyuas thiab tshem tawm qhov chaw ntawm qhov tsis xav tau compression (piv txwv li, misaligned rollers, ntau qhov teeb meem nip siab), los yog siv txoj hlua khi.
4. Optimize braking torque ntawm nruab nrab daim ntawv unwind sawv; txheeb xyuas thiab rov kho dua ua ntej- kev tswj nruj nruj thiab qhia yob qhov chaw;
5. Calibrate steam nozzles thiab txo cov pa ntws los tswj cov ntawv nruab nrab cov dej noo nyob rau hauv qhov kev pom zoo (feem ntau 7-9% w / w), paub tseeb ntawm inline noo noo sensors;
6. Kho cov nplaum daim ntawv thov qhov sib txawv thiab siab nyob rau hauv ib qho -facer thiab ob npaug -backer units kom txo qis compression thaum ua kom muaj cov nplaum hloov pauv; validate tej chaw siv kua nplaum kab soj ntsuam thiab daim ntawv cog lus shear xeem;
7. Synchronize thiab sib npaug nro nyob rau sab sauv thiab qis conveyor siv ntawm ob -backer siv kaw- voj nro tswj tshuab; ua raws li txoj siv sia tsis tu ncua thiab kev ntsuas nruj nruj;
8. Tshawb xyuas ob qho tib si (piv txwv li, cov menyuam hnav, thermal gradients, lub sijhawm nyob) thiab cov khoom siv -txog (xws li, nruab nrab daim ntawv hnyav, fiber ntau, noo noo rhiab heev) contributors rau post- ua kom tawg thiab flute inclination; siv lub hauv paus- ua kom raug ua raws li;
9. Hloov cov ntawv nruab nrab ntawm cov ntawv yob nrog lub nplhaib sib tsoo ntau dua (RCT) qhov tseem ceeb; koom tes nrog cov neeg muag khoom los tshuaj xyuas cov khoom siv pulp, refining degree, thiab sizing specifications los txhim kho compressive kev ua tau zoo.
