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11636
سؤال
Q
Insufficient surface gloss
A
This problem is a typical manifestation of insufficient surface gloss in extrusion molding. The core of the solution lies in eliminating the root cause of the defect through systematic optimization of process parameters (temperature, speed, pressure) and precision correction of the die/sizing sys...
Extrusion & Post
coating gloss
matting agent dispersion
curing degree
substrate roughness
leveling time
Q
Profile dimensional fluctuation
A
This problem is a typical manifestation of profile dimensional fluctuation in extrusion molding. The core of the solution lies in eliminating the root cause of the defect through systematic optimization of process parameters (temperature, speed, pressure) and precision correction of the die/sizin...
Material Drying
profile dimensional fluctuation
uniform feeding
sizing mold wear
cooling water temperature
melt temperature
Q
Longitudinal corrugation of pipes
A
This problem is a typical manifestation of longitudinal corrugation of pipes in extrusion molding. The core of the solution lies in eliminating the root cause of the defect through systematic optimization of process parameters (temperature, speed, pressure) and precision correction of the die/siz...
Extrusion & Post
vacuum sizing
pipe ovality
vacuum degree
sizing sleeve design
cooling water temperature
Q
Excessive internal stress
A
This problem is a typical manifestation of excessive internal stress in extrusion molding. The core of the solution lies in eliminating the root cause of the defect through systematic optimization of process parameters (temperature, speed, pressure) and precision correction of the die/sizing syst...
Extrusion & Post
internal stress
cooling rate
draw ratio
annealing treatment
molecular orientation
Q
Static electricity problem
A
This problem is a typical manifestation of static electricity problem in extrusion molding. The core of the solution lies in eliminating the root cause of the defect through systematic optimization of process parameters (temperature, speed, pressure) and precision correction of the die/sizing sys...
Extrusion & Post
haul-off slipping
haul-off roller wear
clamping pressure
transmission system
dimensional fluctuation
Q
Improper winding tension
A
This problem is a typical manifestation of improper winding tension in extrusion molding. The core of the solution lies in eliminating the root cause of the defect through systematic optimization of process parameters (temperature, speed, pressure) and precision correction of the die/sizing syste...
Extrusion & Post
haul-off slipping
haul-off roller wear
clamping pressure
transmission system
dimensional fluctuation
Q
Haul-off slipping
A
This problem is a typical manifestation of haul-off slipping in extrusion molding. The core of the solution lies in eliminating the root cause of the defect through systematic optimization of process parameters (temperature, speed, pressure) and precision correction of the die/sizing system. It i...
Extrusion & Post
haul-off slipping
haul-off roller wear
clamping pressure
transmission system
dimensional fluctuation
Q
Melt temperature too low
A
This problem is a typical manifestation of melt temperature too low in extrusion molding. The core of the solution lies in eliminating the root cause of the defect through systematic optimization of process parameters (temperature, speed, pressure) and precision correction of the die/sizing syste...
Extrusion & Post
melt temperature too low
temperature
Q
Melt temperature too high
A
This problem is a typical manifestation of melt temperature too high in extrusion molding. The core of the solution lies in eliminating the root cause of the defect through systematic optimization of process parameters (temperature, speed, pressure) and precision correction of the die/sizing syst...
Extrusion & Post
screen clogging
raw material cleanliness
filtration mesh count
gel particles
automatic screen changer
Q
PVC degradation (HCl release)
A
The essence of degradation yellowing is chain scission and chemical changes of polymer molecular chains under high temperature and high shear conditions. The core of the solution is "three controls": control processing temperature within the material recommended range, control residence time to a...
Processing Machinery
degradation yellowing
processing temperature
residence time
heat stabilizer
PVC dehydrochlorination
السابق
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1164
التالي
الفئات
جميع المواضيع
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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