Ncab tshuab Molding tshuab cov tshuab Molding

Thaum blowing txheej txheem thaum tsov rog ntiaj teb ob, pib rau zus tau tej cov raj mis polyethylene tsis ntom. Lub caij 50 thiab #39; s, uas muaj tus yug ntawm kev kub ceev polyethylene thiab kev loj hlob ntawm tshuab tshuab molding, tshuab tshuab-moulding muaj tau lug ua ntawv thov. Hollow thawv ntim mus txog phav phav litres ntawm ntau lawm twb tau siv lub computer tswj. Tsim kev tshuab molding ntawm yas polyethylene, PVC, polypropylene, polyester, thiab nyhiab lug los mus muaj ntim kaw.

Raws li txoj kev ntau lawm preform, tshuab moulding extrusion tshuab molding thiab txhaj tshuab moulding tau muab faib ua, tsim tshiab khiv txheej tej tshuab molding thiab tshuab stretch molding.

Extrusion yog uas tom qab tseem cia nrog los ntawm plasticizing cov ntsia hlau nyob hauv extrusion tuag taub hau, coupled nrog cov lus hauv qab no tuaj pwm thiab compressed gas rau lub attainment ntawm molding.

Lub tshuab molding kev extrusion muaj cov kauj ruam 5:

1 yas uas ua los ntawm cov hom yas embryo,

2. tuag ze capture ib feem ntawm cov kab mob no thiab muab txiav tawm ntawm cov phaj nyaj;

3. kab noj hniav uas muaj roj ua embryos txoj kev thiab cua txias;

4 qhib cov pwm, saib seb lub thawv tom qab ntau heev dua,

5. xov tuaj eeb tau qhov khoom lawm.