Muaj ib tug ua kom yuam kev rau khiav tsim. Txuas cov khoom siv PET rau hauv pwm xws li nchuav molten chocolate rau hauv pwm, thiab tus khiav yog qhov tseem ceeb straw. Txhawm rau xyuas kom meej thiab tsis thaiv cov khoom siv PET ntws:
Siv kiv cua- zoo li tus los yog trapezoidal khiav, nrog qhov pom zoo dav ntawm 8-12mm.
Lub kaum sab xis zoo tshaj plaws ntawm cov neeg ua haujlwm tseem ceeb thiab cov neeg khiav haujlwm yog 60 degree.
Teem lub inlet thickness rau 50% -70% ntawm cov khoom phab ntsa thickness.
Lub qhov dej txias qhov tob yuav tsum tsis pub tsawg tshaj 1.5 npaug ntawm txoj kab uas hla.
PET yog rhiab heev rau qhov kub thiab txias dua li barista; Kev tswj kub tsis raug tuaj yeem ua rau crystallization thiab pos huab dawb:
Qhov ntsuas kub: 260-280℃nyob rau hauv theem, nozzle kub 5℃qis dua.
Pwm kub: 80-120℃yog qhov zoo tagnrho; Hauv qab 60 degree, cov kab mob khaub thuas yuav tshwm sim.
Rwb thaiv tsev cov lus qhia: Tswj cov pwm kub tswj qhov kub sib txawv hauv ± 2 degree.
Qhov feem ntau - tsis pom qhov tso pa tawm yog qhov ua tau zoo ntawm tus neeg saib xyuas:
Qhov cua groove qhov tob 0.02-0.04mm, dav 5-8mm.
Yam tsawg kawg yog ib qhov cua qhov taw qhia rau 100mm².
Ejector tus pin venting yog 30% ntau npaum li qhov tso pa tawm.
Saib xyuas txoj haujlwm ntawm txoj kab vuam thaum lub sij hawm sim molding thiab kho qhov cua kom haum.
