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문제 및 해결책

일반적인 플라스틱 재료 문제에 대한 실질적인 답변

2239 질문
Q
Process transition problems when switching between different processing methods of low density polyethylene low density polyethylene
A
Production transition needs advance planning and full preparation; the key is to clarify the differentiated material requirements of different processing methods.
Extrusion & Post production transitionprocessing methodprocess parametersmaterial gradetrial production verification
Q
Excessive shrinkage rate of low density polyethylene extruded products
Q
Die head pressure fluctuation of low density polyethylene extruder
Q
Haul-off speed mismatch of low density polyethylene extruded products
A
Haul-off speed mismatch needs to be solved by precisely adjusting haul-off parameters and ensuring haul-off stability.
Extrusion & Post haul-off speedspeed matchinghaul-off slippingclamping forcehaul-off control
Q
Poor printability of low density polyethylene film
Q
Longitudinal reversion of low density polyethylene pipes exceeding standard
Q
Unstable output/surging in low density polyethylene extrusion process
A
Unstable output is caused by unstable solids conveying; barrel temperature and feeding system need to be optimized.
Extrusion & Post unstable outputsurgingsolids conveyinghopper bridgingscrew rotation speed
Q
Dimensional fluctuation of low density polyethylene extruded products
A
Dimensional fluctuation is caused by unstable extrusion or haul-off; all process parameters need to be systematically stabilized.
Extrusion & Post dimensional fluctuationscrew rotation speedhaul-off speedtemperature stabilityuniform feeding
Q
Cyclic pressure fatigue failure of low density polyethylene PPR pipes
Q
Thermal aging performance of low density polyethylene PPR pipes not up to standard
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