Dab tsi yog daim ntawv thov ntawm daim ntawv pwm? Paper pwm yog hom ntawv pwm. Nws txoj haujlwm muaj zog heev, thiab nws tuaj yeem tiv thaiv lub nra ntawm ya raws thiab poob siab. Daim ntawv thov teb ntawm daim ntawv pwm yog dav heev. Tom ntej no, cia peb tham txog daim ntawv pwm. Dab tsi yog thaj chaw thov.
Daim ntawv pwm yog peb -papermaking tshuab. Nws siv cov ntawv pov tseg raws li cov khoom siv raw, thiab cov pwm tshwj xeeb yog siv los pwm ib yam khoom ntawm daim ntawv ntawm lub tshuab molding. Nws muaj plaub qhov zoo: Cov khoom siv raw yog cov ntawv pov tseg, suav nrog cov ntawv pov thawj, cov ntawv pov tseg, cov ntawv pov tseg dawb ntug, thiab lwm yam, nrog rau ntau qhov chaw; nws cov txheej txheem ntau lawm yog ua tiav los ntawm pulping, adsorption molding, ziab thiab shaping, thiab lwm yam., uas tsis muaj teeb meem rau ib puag ncig; Nws tuaj yeem siv tau thiab rov siv dua; lub ntim yog me dua li ntawm cov yas foamed, nws tuaj yeem sib tshooj, thiab kev thauj mus los yooj yim. Daim ntawv pwm, ntxiv rau cov thawv noj su thiab cov tais diav, kuj tseem siv rau kev ntim khoom cushioning, thiab tam sim no lawv tab tom tsim sai heev.
Xws li lub thawv qe, qe tais, txiv hmab txiv ntoo tais, paj lauj kaub, pov tseg bedpans, thiab lwm yam. Nws siv cov ntaub ntawv pov tseg raws li raw khoom, ntxiv ib co noo noo -proofing agent (aluminium sulfate) los yog dej-proofing agent, thiab tom qab ntawd ua ntau yam duab ntawm cov qauv khoom raws li kev siv sib txawv, uas yog siv los ua qe, txiv hmab txiv ntoo, precision khoom, thiab iav fragile. , Ceramic khoom, handicrafts, thiab lwm yam ntim liner, nrog zoo cushioning thiab kev tiv thaiv kev ua tau zoo. Kev tsim cov ntawv pwm thev naus laus zis thiab khoom siv tau tsim kho sai. Cov txheej txheem yooj yim yog slurry npaj, molding, ziab, thiab shaping. Cov khoom siv hauv tsev feem ntau yog ib nrab- cov khoom siv tsis siv neeg, thaum lub teb chaws txawv teb chaws feem ntau tsis siv neeg siab siab - zog- siv cov kab sib dhos;
Cov khoom lag luam tsim los ntawm cov ntawv pwm pwm
Daim ntawv molded cov khoom yog ib hom tshiab ntawm cov khoom ntim uas tau ceev ceev nyob rau hauv xyoo tas los no thiab ib qho zoo heev hloov rau ntoo. Cov ntawv molded khoom siv cov txheej txheem tsim khoom ntawm raw khoom beating-cov khoom xyaw-compression molding- ziab-shaping. Txij li thaum muaj cov dej noo ntau (txog 55-60%) sab laug ntawm lub workpiece tom qab compression molding, cov dej noo ntawm cov khoom yog 12-14%, yog li thaum lub sij hawm ziab ntawm lub workpiece, cov dej noo uas suav nrog qhov hnyav ntawm lub workpiece yuav tsum tau muab tshem tawm. Cov dej no yog tag nrho tshem tawm los ntawm kev nqus cua sov thiab tig mus rau hauv dej vapor. Vim yog lub sijhawm hloov pauv hauv cov txheej txheem ziab, lub zog noj yog qhov loj heev, thiab cov ntawv molded cov khoom tau ua tiav rau hauv cov khoom siv hluav taws xob siab. Vim li no, nws yog ib qho tseem ceeb heev uas yuav tsum tau ua ib qho kev ntsuas thermal ntawm lub zog hloov pauv ntawm nws qhov ziab. Vim hais tias, los ntawm kev tsom xam, kev tsim thiab ua cov khoom siv ziab tuaj yeem txhim kho, thiab kev siv hluav taws xob tuaj yeem txhim kho, uas muaj kev taw qhia tseem ceeb heev rau kev txo cov nqi tsim khoom ntawm cov ntawv molded khoom lag luam.
Cov ntawv molded cov khoom yog cov khoom ntim khoom siv los ntim thiab txwv cov ntsiab lus kom ntim, thiab ua haujlwm rau kev ncig, khaws cia, thiab kev thauj mus los ntawm cov khoom, uas yog, lawv tsuas yog siv hauv kev thauj mus los thiab ntim khoom.
Kev ua haujlwm ntawm cov ntawv molded khoom yog kom muaj thiab tiv thaiv cov khoom ntim, uas yog yooj yim thiab siv tau.
Txhawm rau kom muaj thiab tiv thaiv cov khoom ntim khoom yog lub luag haujlwm tseem ceeb ntawm cov ntawv molded cov khoom. Cov ntawv molded cov khoom yuav tsum muaj peev xwm ntseeg tau cov khoom ntim tau teev tseg los ntawm lub pob, kom cov khoom ntim tsis puas thaum thauj, thauj khoom, tshem tawm, thiab siv, thiab nws yuav tsum ua kom tau raws li qhov yuav tsum tau muaj zog, nruj thiab ruaj khov. Cov ntaub ntawv siv hauv cov ntawv molded cov khoom kuj muaj kev nyab xeeb rau cov khoom ntim, thiab ob qho tib si tsis cuam tshuam. Cov qauv ntawm cov ntawv molded cov khoom uas yooj yim siv yuav tsum tau qab ntxiag. Cov qauv thiab cov duab ntawm cov ntawv molded cov khoom yuav tsum tsis txhob ua phem rau tib neeg lub cev, thiab hloov mus rau kev ua haujlwm thiab tuav ntawm tib neeg lub cev thaum siv.
Tsis tas li ntawd, daim ntawv molded cov khoom siv nws cov qauv tshwj xeeb rau deform thaum thauj khoom kom ntev lub sij hawm sib xws thiab nqus lub zog sab nraud, yog li txo qhov cuam tshuam thiab kev co ntawm cov khoom ntim. Nws txawv ntawm lub cushioning mechanism ntawm foam yas ntim khoom, vim hais tias cov khoom ua npuas ncauj muaj ib tug loj tus naj npawb ntawm compressible hlwb faib nyob rau hauv cov khoom, tsis hais seb cov khoom zoo li cas, nws muaj zoo cushioning kev ua tau zoo, yog hais tias daim ntawv pulp yas zaj duab xis cov ntaub ntawv thiab Foam plastics yog tsim rau hauv lub dav hlau loj. Obviously, tus qub tuaj yeem cushioned, thaum lub tom kawg tsis tuaj yeem cushioned. Yog li ntawd, rau pulp- cov khoom siv yas zaj duab xis, kev tsim qauv zoo yog ua kom tiav kev tiv thaiv cov ntsiab lus thiab txhim kho nws thaum thauj thiab tuav. Qhov yooj yim guarantee ntawm kev poob siab absorbing peev. Cov qauv tsim kev ua tau zoo yuav cuam tshuam ncaj qha rau lub zog, rigidity, stability thiab practicability ntawm lub pob, uas yog, cov qauv ntawm cov ntawv molded khoom ncaj qha cuam tshuam rau lub realization ntawm nws lub ntim muaj nuj nqi.
Peb cov kws ua haujlwm pwm ua cov txheej txheem yuav muab cov kev pabcuam rau koj los xyuas kom meej qhov zoo ntawm kev tsim kho. Nyob rau hauv txoj kev loj hlob sai tam sim no, kev tsim kho thev naus laus zis thiab kev siv nyiaj txiag muaj zog yog lub hauv paus rau kev ua kom zoo ntawm cov ntawv pwm ua. Daim ntawv pwm uas tuaj yeem muab cov neeg siv txaus siab thiab kev thaj yeeb ntawm lub siab yog Nrhiav lub hauv paus ntawm kev loj hlob ntev -.
