Kev Taw Qhia
Cov kav dej polyvinyl chloride (PVC) tau dhau los ua ib qho khoom siv niaj hnub no hauv kev tsim kho thiab kev siv dej, vim lawv ruaj khov, pheej yig, thiab siv tau ntau yam. Cov txheej txheem tsim cov kav dej PVC muaj ntau cov kauj ruam nyuaj uas hloov cov khoom siv raw mus rau hauv cov kav dej uas peb vam khom rau ntau yam kev siv.
Cov Khoom Siv Raw: Lub Hauv Paus ntawm PVC Yeeb Nkab Tsim Khoom
Kev tsim cov yeeb nkab PVC pib nrog kev yuav cov khoom siv raw. Cov khoom xyaw tseem ceeb yog polyvinyl chloride resin, ib qho hmoov dawb uas tau los ntawm ethylene thiab chlorine. Cov khoom ntxiv, xws li cov stabilizers, plasticizers, thiab cov roj nplua nyeem, kuj tau koom ua ke los txhim kho cov yam ntxwv ntawm cov khoom kawg.
Kauj Ruam 1: Kev Sib Tov thiab Kev Sib Xyaws
Cov khoom siv raw tau dhau los ntawm kev sib tov thiab sib xyaw ua ke zoo heev. Cov tshuaj PVC, cov khoom ntxiv, thiab cov xim raug sib xyaw ua ke kom zoo hauv cov feem sib xyaw siv cov tshuab sib tov ceev ceev. Cov khoom sib xyaw ua ke no ces raug rho tawm mus rau hauv cov khoom sib xyaw ua ke.
Kauj Ruam 2: Extrusion: Shaping lub Yeeb Nkab
Cov khoom sib xyaw ua ke PVC raug pub rau hauv lub tshuab extruder, lub tshuab uas ua kom sov thiab yuam cov khoom siv los ntawm lub pwm zoo li cas. Lub pwm txiav txim siab qhov profile thiab txoj kab uas hla ntawm cov yeeb nkab uas tsim tawm. Thaum cov khoom sib xyaw PVC yaj hla dhau lub pwm, nws yuav tau txais cov duab xav tau thiab tawm los ua ib lub yeeb nkab txuas ntxiv mus.
Kauj Ruam 3: Txias thiab Calibration
Cov yeeb nkab PVC uas raug nias tawm tseem kub thiab yooj yim khoov thaum nws tawm hauv lub pwm. Txhawm rau kom khov thiab teeb tsa qhov loj ntawm cov yeeb nkab, nws hla dhau lub dab dej txias lossis lub tshuab txau. Cov txheej txheem txias sai no ua kom cov yeeb nkab tseem zoo li qub thiab ruaj khov.
Kauj Ruam 4: Txiav thiab Ua tiav
Cov yeeb nkab PVC uas txias lawm raug txiav ua tej qhov ntev uas tau teem tseg los ntawm kev siv cov tshuab txiav tshwj xeeb. Cov kawg ntawm cov yeeb nkab raug txiav thiab khoov kom du thiab huv si. Cov txheej txheem ua tiav ntxiv, xws li luam ntawv lossis cim, yuav raug siv raws li qhov xav tau.
Kauj Ruam 5: Kev Tswj Xyuas Zoo
Thoob plaws hauv cov txheej txheem tsim khoom, cov kav dej PVC raug kuaj xyuas zoo heev. Qhov tseeb ntawm qhov ntev, qhov tuab ntawm phab ntsa, qhov tiv taus siab, thiab qhov ruaj khov tag nrho raug kuaj xyuas kom meej tias ua raws li cov qauv kev lag luam thiab cov lus qhia ntawm cov neeg siv khoom.
Cov Khoom Kawg: Cov Kav Dej PVC Ntau Yam
Thaum cov kev kuaj xyuas zoo dhau lawm, cov kav dej PVC raug ntim thiab npaj rau kev xa tawm. Cov kav dej no pom muaj kev siv rau ntau yam lag luam, suav nrog kev tsim kho, kev siv dej, kev ywg dej, thiab cov tshuab hluav taws xob. Lawv lub zog ruaj khov, tiv taus xeb thiab tshuaj lom neeg, thiab yooj yim rau kev teeb tsa ua rau lawv yog qhov kev xaiv nrov rau ntau yam haujlwm.
Xaus lus
Cov txheej txheem tsim cov kav dej PVC yog ib qho pov thawj rau cov txheej txheem tsim khoom niaj hnub thiab kev ua tau ntau yam ntawm PVC ua cov khoom siv. Txij li kev xaiv cov khoom siv raw mus rau kev tswj xyuas zoo, txhua kauj ruam ua kom ntseeg tau tias cov khoom kawg ua tau raws li qhov xav tau ntawm ntau yam kev siv. Raws li cov kav dej PVC txuas ntxiv ua lub luag haujlwm tseem ceeb hauv peb cov khoom siv thiab lub neej txhua hnub, kev nkag siab txog cov txheej txheem tsim khoom tom qab lawv muab cov kev nkag siab zoo rau lawv qhov zoo thiab kev ua tau zoo.
Lub sijhawm tshaj tawm: Lub Rau Hli-19-2024