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Yaygın plastik malzeme zorluklarına pratik yanıtlar

Makalelere Göz At →
11636 soru
Q
Insufficient flow length ratio in EAA '2079851475616104452
A
Insufficient flow length ratio is caused by the high viscosity of EAA; high temperature, high pressure and large gate are the key
Injection Molding EAA injection flow length ratio melt viscosity injection temperature flow aid
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Q
Material sticking to the sizing sleeve of EAA extruded pipe
A
Sizing sleeve sticking is caused by the adhesion characteristics of the elastomer; polishing and lubricating water are the key
Molding Process EAA pipe sizing sleeve sticking polishing lubricating water elastomer adhesion
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Q
Rough inner wall of EAA extruded pipe
A
The rough inner wall of the pipe is caused by the mandrel condition and insufficient cooling; polishing the mandrel and internal cooling are the key
Extrusion & Post EAA pipe rough inner wall mandrel polishing internal cooling melt elasticity
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Q
Longitudinal streaks in EAA extruded film
A
Longitudinal streaks are caused by die defects and pressure fluctuations; die maintenance and pressure stability are the key
Extrusion & Post EAA film longitudinal streaks die gap melt pressure lip flatness
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Q
EAA film blocking, difficult to separate layers
Q
Bending deformation of EAA extruded profiles
A
Profile bending is caused by uneven cooling and uneven flow velocity; homogenization and alignment are the keys to solving it
Extrusion & Post EAA extrusion bending deformation uniform cooling uniform flow velocity sizing sleeve
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Q
Severe flash in EAA '2079851475616104452
A
Flash is caused by high-pressure injection and mold gaps; reducing pressure and improving mold fitting are the key
Injection Molding EAA injection flash clamping force parting line injection pressure
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Q
Poor thickness uniformity of EAA extruded film
A
Film thickness uniformity requires coordinated optimization from three aspects: die design, gap adjustment and cooling
Extrusion & Post EAA film thickness uniformity die design extrusion swell air ring cooling
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Q
Excessive thermal shrinkage of EAA film
A
Film thermal shrinkage is caused by orientation freezing; reducing the draw ratio and annealing treatment are the key
Extrusion & Post EAA film thermal shrinkage orientation release annealing treatment biaxial stretching
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Q
Unstable dimensions in EAA extrusion
A
Extrusion dimensional stability depends on feeding accuracy, temperature control and haul-off synchronization
Extrusion & Post EAA extrusion dimensional stability feeding control temperature PID haul-off synchronization
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Tüm Konular 11636 Material Drying 1439 Injection Molding 1506 Molding Process 740 Molds & Tooling 1506 Processing Machinery 2025 Extrusion & Post 2239 Blow Molding 315 Thermoforming 141 Material Analysis 1343 Production & Quality 382
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