PVC vaj kav yog ntau heev nyob rau hauv peb lub neej txhua hnub. Yuav ua li cas yog PVC vaj kav kav? Lub hose muaj ntau cov plasticizers thiab stabilizers thiab lwm yam khoom xyaw, yog li ua tib zoo saib xyuas cov kauj ruam hauv qab no thaum tsim khoom.
Ua ntej tshaj plaws, npaj tag nrho cov ntaub ntawv los ua cov yeeb nkab PVC vaj, txiav txim siab qhov tsim nyog tus nqi raws li daim ntawv qhia, thiab ncuav cov khoom npaj rau hauv lub tov khoom ib zaug hauv ib qho kev txiav txim. Qhov kev txiav txim kom raug yog PVC resin, plasticizer, stabilizer, lubricant thiab tshem tawm. Feem ntau, cov khoom yog kneaded rau 45 mus rau 50 feeb, thiab cov khoom raug tshem tawm thaum qhov kub ntawm 100 txog 110 degrees Celsius.
PVC Garden Yeeb Nkab
Tom qab ntawd cov granulation tom ntej tuaj yeem ua tiav. Ua tib zoo saib xyuas qhov ntsuas kub thaum lub sij hawm granulation ntawm PVC vaj raj. Lub ntsiab lus siab heev ntawm cov khoom siv kub yuav tsum tau khaws cia hauv qab lub raj extrusion ua qhov kub thiab txias, tsis qis dua qhov melting degree ntawm cov khoom. Qhov thib ob yog molding. Lub pob tshab ntawm lub hose yog ze ze rau lub molding kub. Yog li ntawd, mastering pwm kub yog qhov tseem ceeb. Qhov kub yog me ntsis siab dua, thiab cov pob tshab ntawm cov tsim PVC vaj yeeb nkab yog qhov siab.
Cov kauj ruam tom ntej yog traction. Qhov ceev ntawm traction thiab txias yuav cuam tshuam rau lub pob tshab ntawm lub hose. Qhov siab dua qhov rub nrawm thiab nrawm dua qhov txias, qhov siab dua qhov pom ntawm lub hose. Tom qab lub traction tiav, nws yog crimped thiab ntim. Tom qab ntawd, ntev npaum li qhov kev soj ntsuam zoo dhau lawm, cov yeeb nkab PVC ua tiav tiav thiab tuaj yeem muab tso rau hauv lub khw muag khoom.
Cov ntsiab lus saum toj no yog cov txheej txheem tsim khoom ntawm PVC vaj kav sib koom niaj hnub no. Yog tias koj nkag siab yuav ua li cas PVC vaj kav yog tsim, koj tuaj yeem muaj kev nkag siab qee yam ntawm nws cov khoom zoo, thiab koj tuaj yeem nkag siab ntau dua thiab paub qhov txawv qhov zoo thiab qhov tsis zoo thaum yuav khoom.
