Txhaj Moulding Technical Information (Kev npaj ua ntej txhaj tshuaj molding)
Tso lus
13. Kev npaj ua ntej txhaj tshuaj molding
Kev npaj ua ntej molding yuav suav nrog ntau yam. Piv txwv li, kev tshuaj xyuas cov khoom siv ua haujlwm (kev txiav txim siab ntawm cov yas fluidity, cov ntsiab lus noo noo, thiab lwm yam); Dyeing thiab granulation ua ntej raw khoom ua; Preheating thiab ziab ntawm cov ntaub ntawv granular; Ntxuav thiab preheating ntawm inserts; Pwm kuaj thiab chim tu, thiab lwm yam.
14. Pretreatment ntawm raw khoom
Raws li cov yam ntxwv thiab cov khoom siv ntawm cov yas, cov tsos thiab kev ua haujlwm ntawm cov khoom siv raw yuav tsum tau sim ua ntej molding.
Yog hais tias cov yas siv yog hmoov, xws li polyvinyl chloride, batching thiab qhuav mix yuav tsum tau nqa tawm; Yog tias cov khoom muaj cov xim uas yuav tsum tau muaj, cov xim tsim nyog lossis xim masterbatch tuaj yeem ntxiv; Cov khoom siv granular muab ntau yam sib txawv ntawm cov dej noo, flux, thiab lwm yam tsis muaj zog molecular, tshwj xeeb tshaj yog qee cov yas uas muaj hygroscopic nyiam, nws cov dej noo ib txwm dhau qhov kev txwv rau kev ua.
Yog li ntawd, nws yog ib qho tsim nyog los ua kom qhuav kev kho mob thiab txiav txim siab cov ntsiab lus dej ua ntej ua. Cov dej noo ntawm cov dej rhiab heev polycarbonates ntawm qhov kub thiab txias yuav tsum tau qis dua {{0}}}.2 feem pua , lossis txawm tias 0.03 feem pua rau 0.05 feem pua , yog li lub tshuab nqus tsev kom qhuav yog feem ntau siv rau ziab. Cov yas qhuav yuav tsum tau muab kaw kom zoo thiab khaws cia kom tsis txhob muaj cov yas los ntawm reabsorbing noo noo los ntawm huab cua thiab poob nws cov nyhuv ziab. Yog li ntawd, kev siv lub tshuab ziab khaub ncaws tuaj yeem muab cov khoom kub kub tsis tu ncua rau lub tshuab txhaj tshuaj molding, uas yog qhov zoo rau kev ua haujlwm yooj yim, tswj kev huv, kev txhim kho zoo, thiab nce kev txhaj tshuaj. Lub peev xwm thauj khoom ntawm lub tshuab ziab khaub ncaws yog feem ntau 2.5 npaug ntawm kev noj ib teev ntawm lub tshuab txhaj tshuaj molding.
