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문제 및 해결책

일반적인 플라스틱 재료 문제에 대한 실질적인 답변

2239 질문
Q
EEA extruded film has gel particles
A
Gel particles are caused by insufficient melting; increasing temperature and mixing is the key
Extrusion & Post EEA filmgel particlesmelting temperaturemixing sectionhigh molecular weight components
Q
EEA extruded film has transverse ripples
A
Transverse ripples are caused by haul-off vibration and roller eccentricity; equipment overhaul and stable control are the key
Extrusion & Post EEA filmtransverse rippleshaul-off vibrationcooling roller eccentricitypressure stabilizing device
Q
Frequent screen clogging in EEA extrusion
A
Screen clogging is caused by impurities and improper configuration; raw material control and stepped screens are the key
Extrusion & Post EEA extrusionscreen clogginggel particlesstepped screensautomatic screen change
Q
EEA extruded film winding wrinkles
A
Film wrinkling is caused by tension fluctuation and thickness unevenness; automatic tension control and homogenization are the key
Extrusion & Post EEA filmwinding wrinklestension controlthickness uniformityguide roller parallelism
Q
Unstable EEA extrusion feeding
A
Unstable feeding is caused by granule characteristics; gravimetric feeding and anti-bridging are the core
Extrusion & Post EEA feedingbridginggravimetric feedergranulationfeeding screw
Q
Poor printing adhesion of EEA film
A
Poor printing adhesion is caused by insufficient surface polarity; corona treatment and special ink are the key
Extrusion & Post EEA filmprinting adhesioncorona treatmentspecial inksurface tension
Q
Rough EEA extrusion surface
Q
Severe EEA extruder screw wear
A
Screw wear is caused by filler friction and adhesion; wear-resistant screw and temperature control are the key
Extrusion & Post EEA extrusionscrew wearnitrided screwfiller frictionbimetallic screw
Q
Rough inner wall of EEA extruded pipe
A
Rough pipe inner wall is caused by mandrel condition and insufficient cooling; polishing the mandrel and internal cooling are the key
Extrusion & Post EEA piperough inner wallmandrel polishinginternal coolingmelt elasticity
Q
EEA extrusion film longitudinal streaks
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