Dab tsi yog kev koom tes hauv cov khoom siv thiab tshuab molding hollow khoom?
Cov yas txhaj tshuaj yas molding ntau lawm nrog cov khoom siv raw cov khoom siv hauv cov yas txhaj tshuaj molding tshuab fwj , thiab tom qab ntawd dhia hlua rau pem hauv ntej sai sai, ua ntej tus ciav hlau yas pleev xim rau cov kua tom qab lub pleev plawg moulding thiab txhaj tshuaj molding tshuab molding khoom nrog parison; Dua tus parison tso ncaj qha rau hauv tshuab molding khoom nrog pwm [yog muaj ib txoj kev los tshuab molding Cov khoom siv: kev txhaj tshuaj los yog extrusion moulding ntawm parison tom qab txias kom tiav qhov tsim hauv tuag mus rau lwm lub tshuab molding khoom (los yog) nyob rau hauv ntau qhov chaw hauv lub tshuab molding khoom. Kev tsim cov tshuab molding, ua li no yuav tsum tau noj ua ntej ua rau cov cua txias thiab lub voj voos loj tshaj yuav tsum tau], lub cua nyob hauv lub voj voog kom tawg mus rau ntawm qhov chaw ntaws molding pwm khov ua phaj, hollow molding khoom zoo lawm, tom qab txias tiav qhov tsim, demoulding xav tau cov khoom yas yas.