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문제 및 해결책

일반적인 플라스틱 재료 문제에 대한 실질적인 답변

2239 질문
Q
EMA Extrusion Pelletizing Connected Pellets
A
Connected pellets are caused by elastic recovery and low-temperature pelletizing; high-temperature water cutting and fast cutting are key
Extrusion & Post EMA pelletizing connected pellets pelletizing water temperature cutter speed elastic recovery
Q
EMA Extrusion Melt Fracture
Q
EEA Internal Delamination Cracking
A
Internal delamination is caused by poor interface and shrinkage differences; compatibilizer and uniform cooling are key
Extrusion & Post EEA internal delamination interfacial bonding compatibilizer uniform cooling
Q
EEA Surface Snakeskin Pattern
A
Snakeskin pattern is caused by low-temperature extrusion and elastic recovery; raising temperature and reducing speed are key
Extrusion & Post EEA snakeskin pattern extrusion temperature elastic recovery die temperature control
Q
EEA Screw Slipping
A
Screw slipping is caused by premature melting; cooling the feeding section is key
Extrusion & Post EEA screw slipping feeding section temperature premature melting flight deepening
Q
EEA Large Dimensional Change with Temperature
A
Dimensional temperature sensitivity is caused by the large thermal expansion coefficient; adding filler and annealing are key
Extrusion & Post EEA dimensional temperature sensitivity thermal expansion coefficient rigid filler annealing treatment
Q
EEA Vacuum Section Material Overflow
A
Overflow is caused by low melt viscosity; lowering temperature and adding a baffle are key
Extrusion & Post EEA vacuum section overflow melt viscosity temperature reduction vent baffle
Q
EEA Dense Surface Pits
A
Pits are caused by raw material impurities and mold damage; pure raw material and mold maintenance are key
Extrusion & Post EEA surface pits impurity particles mold repair pure raw material
Q
EEA extruded pipe ovality out of tolerance
A
Ovality is caused by uneven cooling and clamping; annular cooling and uniform haul-off are the key
Extrusion & Post EEA pipeovalityannular coolingvacuum sizinguniform haul-off
Q
Large current fluctuation of EEA extruder
A
Current fluctuation is caused by unstable feeding, poor temperature control and unsuitable screw; system optimization is the key
Extrusion & Post EEA extrusioncurrent fluctuationtemperature control accuracyscrew designfeeding stability
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