Cov Hom Yas Siv Los Ua Rooj Tog Hauv Tsev Neeg Thiab Lawv Ua Li Cas
Yas yog ib qho ntawm cov khoom siv feem ntau siv rau hauv cov rooj tog hauv tsev. Cov laj thawj yooj yim: nws tsis hnyav, pheej yig, yooj yim pwm rau ntau yam qauv, tsis muaj dej, thiab yooj yim rau kev saib xyuas. Txij li cov rooj zaum thiab cov rooj tais tau mus rau cov thoob, cov tais diav, cov thoob khib nyiab, cov txee cia khoom, thiab cov thawv ntau lub hom phiaj - ntau yam yog ua los ntawm ntau hom yas, txhua tus muaj nws lub zog tshwj xeeb, tiv taus cua sov, thiab yooj ywm. Tsab xov xwm no tham txog cov hom yas uas feem ntau siv rau hauv cov rooj tog hauv tsev thiab lawv ua li cas, los ntawm kev xaiv cov khoom siv mus rau cov txheej txheem pwm.
1. Polypropylene (PP) - Ruaj, Sib dua, thiab Siv Tau Ntau Yam Tshaj Plaws
Polypropylene (PP) yog ib qho ntawm cov yas nrov tshaj plaws rau cov rooj tog hauv tsev. PP paub txog nws lub zog, lub teeb yuag, thiab tiv taus tshuaj lom neeg. Ntau yam khoom, xws li cov rooj zaum yas, thoob, cov thawv cia khoom, cov dab dej, cov txee, thiab cov thawv cuab yeej hauv tsev, siv PP. Nws cov txiaj ntsig suav nrog kev tiv taus kev cuam tshuam thiab kev qaug zog, ua rau nws tsis yooj yim tawg thaum khoov lossis siv ntau zaus.
Yuav ua li cas ua rooj tog los ntawm PP:
Feem ntau PP raug ua tiav hauv daim ntawv pellet (granule). Cov pellets raug cua sov kom txog thaum yaj hauv lub tshuab extruder lossis tshuab txhaj tshuaj molding, tom qab ntawd txhaj rau hauv pwm raws li cov khoom tsim. Thaum txias lawm, cov khoom raug tshem tawm, txiav (txiav cov rooj vag / khiav ntau dhau), thiab tom qab ntawd ua tiav nrog cov qauv matte / glossy lossis luam tawm nrog lub logo.
2. Polyethylene (PE) - Yooj Yim thiab Tsis Muaj Dej
Polyethylene muaj ntau hom, feem ntau yog HDPE (High Density Polyethylene) thiab LDPE (Low Density Polyethylene). HDPE feem ntau siv rau cov rooj tog hauv tsev vim nws tawv dua thiab muaj zog dua LDPE. HDPE feem ntau pom muaj nyob rau hauv cov thoob dej loj, cov thoob dej me me, cov laug txiav yas, qee lub rooj zaum sib dua, thiab qee hom txee thiab cov thawv loj. PE zoo heev hauv kev tiv thaiv dej noo, tsis yooj yim nqus dej, thiab tiv taus cov tshuaj ntxuav.
Yuav ua li cas ua rooj tog los ntawm PE:
HDPE feem ntau yog siv cov txheej txheem txhaj tshuaj molding rau cov khoom khov kho (piv txwv li, lub hau, thawv, tes tuav) thiab tshuab molding rau cov khoom khoob xws li lub raj mis lossis cov kaus poom jerry. Hauv kev tshuab molding, cov yas raug yaj thiab ua rau hauv ib lub raj (parison), tom qab ntawd tshuab nrog cua compressed kom lo rau ntawm phab ntsa pwm thiab tsim cov qhov raws li tsim.
3. Polyvinyl Chloride (PVC) - Muaj zog thiab haum rau cov khoom siv hauv kev tsim kho
PVC yog ib yam khoom siv uas siv los ua cov kav dej, tiam sis nws tseem siv tau rau hauv qee cov rooj tog hauv tsev, tshwj xeeb tshaj yog cov uas xav tau kev ruaj khov lossis kev tiv thaiv dej. Piv txwv li, xws li cov txee, cov vaj huam sib luag, lossis cov txheej txheej (xws li cov rooj saum toj). PVC muaj ob hom uas ruaj khov thiab yooj ywm, uas tau kho nrog cov tshuaj yas.
Yuav ua li cas ua rooj tog los ntawm PVC:
PVC tuaj yeem ua tiav los ntawm kev rho tawm kom tsim cov qauv ntev xws li cov pas nrig, cov kav dej, lossis cov vaj huam sib luag. Hauv cov txheej txheem rho tawm, cov khoom siv raug cua sov hauv lub thoob, thawb los ntawm lub hau ntswj, thiab tom qab ntawd tawm los ntawm lub pwm tshwj xeeb. Tom qab tawm, PVC raug txias (feem ntau nrog dej lossis cua) kom ruaj khov nws cov duab. Rau qee yam khoom, PVC kuj tseem tuaj yeem pwm siv kev txhaj tshuaj molding.
4. Polystyrene (PS) - Zoo nkauj thiab tawv, tab sis yooj yim tawg
Polystyrene (PS) muaj tus cwj pwm tawv thiab qhov chaw du. Hauv cov rooj tog hauv tsev, PS feem ntau siv rau cov khoom uas tsis ris lub nra hnyav, xws li cov thawv cia khoom sib dua, cov khoom teeb tsa, cov khoom dai kom zoo nkauj, lossis cov khoom siv hauv tsev. Qhov tsis zoo: PS feem ntau yuav tawg yooj yim thaum raug kev cuam tshuam loj.
Yuav ua li cas ua rooj tog los ntawm PS:
PS zoo rau kev txhaj tshuaj pwm vim nws ntws zoo thiab yooj yim sau cov ntsiab lus me me ntawm pwm. Tom qab pwm, cov khoom feem ntau yuav tsum tau txiav thiab tshuaj xyuas seb puas muaj qhov tsis zoo (cov kab tawg, cov cim dej, lossis warping). Rau qee qhov kev siv, PS kuj siv rau hauv thermoforming (kev ua kom sov ntawm cov ntawv yas).
5. Acrylonitrile Butadiene Styrene (ABS) - Muaj zog thiab tiv taus kev cuam tshuam
ABS paub txog nws lub zog, tiv taus kev cuam tshuam, thiab tiv taus cua sov piv rau PP/PE. Hauv tsev, ABS feem ntau siv rau cov rooj tog uas xav tau qhov zoo nkauj dua thiab cov qauv ruaj khov, xws li cov khoom siv hauv tsev, qee qhov chaw zaum, cov khoom siv nqus tsev, cov tes tuav, lossis cov vaj huam sib luag kho kom zoo nkauj uas xav tau qhov chaw du.
Yuav ua li cas ua rooj tog los ntawm ABS:
Feem ntau ABS yog ua los ntawm kev txhaj tshuaj molding. Vim tias ABS rhiab heev rau cov dej noo, cov khoom siv feem ntau yuav qhuav ua ntej kom tiv thaiv cov npuas lossis qhov tsis zoo ntawm qhov chaw thaum lub sijhawm molding. Tom qab molding, ABS yooj yim ua tiav: nws tuaj yeem pleev xim, coated, lossis texturized rau ntawm pwm kom tsim cov tawv/kab txaij.
6. Polycarbonate (PC) - Pob tshab thiab Ruaj Khoov Heev
Polycarbonate (PC) paub txog nws lub zog tshwj xeeb thiab kev tiv taus kev cuam tshuam, txawm tias siab dua li ntau cov yas ib txwm muaj. PC feem ntau siv rau hauv cov khoom siv hauv tsev uas xav tau kev pom tseeb thiab kev ruaj khov, xws li qee cov dispenser, cov thawv zoo meej, cov thawv tiv thaiv, lossis cov khoom rooj tog uas xav tau kev muaj zog ntxiv. Txawm li cas los xij, PC kim dua.
Yuav ua li cas los ua rooj tog los ntawm PC:
PC feem ntau yog tsim los ntawm kev txhaj tshuaj molding. Cov txheej txheem no xav tau kev tswj qhov kub kom meej vim tias PC raug ua tiav ntawm qhov kub siab dua. Ib yam li ABS, PC kuj yuav tsum tau ziab ua ntej ua tiav kom ntseeg tau tias muaj qhov tiav meej thiab tsis muaj qhov tsis zoo. Tom qab molding, cov khoom tuaj yeem dhau los ntawm cov txheej txheem polishing pwm (rau qhov pom tseeb tshaj plaws) lossis cov txheej txheem tiv thaiv khawb.
7. PET thiab PETG - Ntshiab thiab Haum rau Cov Thawv lossis Cov Vaj Huam Sib Luag
PET (Polyethylene Terephthalate) yog lub npe zoo tshaj plaws ua cov khoom siv rau lub raj mis haus dej, tab sis qee cov qauv thiab kev hloov kho, xws li PETG, kuj tseem siv rau cov thawv ntshiab, cov vaj huam sib luag tiv thaiv, lossis cov rooj tog uas xav tau qhov meej thiab tiv taus qhov tawg zoo. PETG yooj yim dua li tus qauv PET, tshwj xeeb tshaj yog rau thermoforming.
Yuav ua li cas ua rooj tog los ntawm PET / PETG:
Rau qee lub vaj huam sib luag lossis cov thawv, cov ntawv PETG raug cua sov kom txog thaum mos thiab tom qab ntawd siv lub tshuab nqus tsev los tsim. Thaum txias lawm, cov khoom raug txiav kom zoo li daim duab. Txoj kev no yog qhov tsim nyog rau kev tsim khoom sai thiab cov nqi pwm qis dua li kev txhaj tshuaj rau cov duab loj.
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Cov Theem Dav Dav ntawm Kev Ua Rooj Tog Yas
Txawm hais tias txhua hom yas muaj cov yam ntxwv sib txawv, cov txheej txheem tsim khoom rau cov rooj tog yas feem ntau mus dhau cov theem hauv qab no:
1. Tsim khoom thiab ua pwm
Tus qauv tsim yog tsim los ntawm kev siv CAD software, suav nrog qhov tuab ntawm phab ntsa, lub zog, cov ntsiab lus sib txuas, thiab cov yas ntws. Tom qab ntawd, pwm (feem ntau yog ua los ntawm hlau lossis txhuas) raug tsim raws li txoj kev tsim khoom.
2. Kev xaiv cov ntaub ntawv thiab cov khoom ntxiv
Cov chaw tsim khoom xaiv hom resin (PP, HDPE, ABS, thiab lwm yam), tom qab ntawd ntxiv cov khoom ntxiv xws li cov xim (masterbatch), tiv thaiv UV, cov khoom txhawb nqa (talc lossis fiber), lossis cov yas (rau PVC yooj ywm).
3. Cov txheej txheem tsim
Cov txheej txheem tuaj yeem yog:
- Kev txhaj tshuaj molding: feem ntau yog rau cov duab nyuaj thiab ntxaws ntxaws.
- Tshuab pwm: rau cov khoom hollow.
- Extrusion: rau cov profile ntev.
- Thermoforming: rau cov ntawv ua los ntawm cua sov.
4. Txias thiab tso tawm ntawm pwm
Kev txias ua rau cov duab ruaj khov. Kev txias tsis sib npaug tuaj yeem ua rau nkhaus.
5. Kev ua tiav thiab kev tswj xyuas zoo
Xws li kev txiav cov khoom seem ntau dhau, kev sib dhos cov khoom (yog tias muaj ntau yam khoom), kev kuaj xyuas qhov tsis zoo, kev kuaj xyuas qhov hnyav rau cov rooj zaum/rooj, thiab kev kuaj xyuas xim thiab qhov loj.
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Kev kaw
Cov rooj tog hauv tsev yas yog ua los ntawm ntau hom resins, txhua tus muaj nws tus kheej qhov zoo: PP thiab HDPE zoo tshaj plaws rau cov khoom siv tau ntau yam thiab ruaj khov, ABS thiab PC rau qhov zoo dua thiab tiv taus kev cuam tshuam, thaum PVC yog qhov tsim nyog rau cov khoom siv profile thiab PS rau cov khoom sib dua thiab du. Cov txheej txheem tsim khoom kuj sib txawv - los ntawm kev txhaj tshuaj molding mus rau extrusion thiab thermoforming - xaiv raws li cov duab khoom, qhov ntau lawm, thiab tus nqi. Los ntawm kev nkag siab txog cov hom yas thiab lawv cov txheej txheem tsim khoom, peb tuaj yeem xaiv cov rooj tog uas ua tau raws li peb cov kev xav tau: muaj zog, muaj kev nyab xeeb, ruaj khov, thiab ua haujlwm tau zoo hauv tsev.
