Sorun ve Çözüm

Q

Die head pressure fluctuation of heat-resistant polyethylene extruder (Variant: mass production scenario)

A

Die head pressure fluctuation is caused by unstable output or filtration system problems, and extrusion parameters need to be stabilized and the filtration system maintained. Targeted preventive measures need to be taken in different production scenarios.

Extrusion & Post pressure fluctuationscreen packdie head temperaturebreaker plateuniform output

9 görüntüleme

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Q

Large barrel temperature fluctuation in heat-resistant polyethylene heat-resistant polyethylene processing (Variant: strengthened measures)

A

Barrel temperature fluctuation is caused by heating or temperature control system failure, and heating rings, thermocouples and temperature control instruments need to be regularly inspected and maintained. Targeted preventive measures need to be taken in different production scenarios.

Processing Machinery temperature fluctuationheating ringthermocoupletemperature control instrumentPID parameters

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Q

Haul-off speed mismatch of heat-resistant polyethylene extruded products (Variant: mass production scenario)

A

Haul-off speed mismatch needs to be solved by precisely adjusting haul-off parameters and ensuring haul-off stability. Targeted preventive measures need to be taken in different production scenarios.

Extrusion & Post haul-off speedspeed matchinghaul-off slippageclamping forcehaul-off control

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Q

Heat-resistant polyethylene heat-resistant polyethylene process linkage problem when switching production between different processing methods (Variant: strengthened measures)

A

Production changeover linkage needs advance planning and full preparation; the key is to clarify the differentiated requirements of different processing methods for materials. Targeted preventive measures need to be taken in different production scenarios.

Extrusion & Post production changeoverprocessing methodprocess parametersmaterial gradetrial production verification

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Q

Heat-resistant polyethylene pipe longitudinal reversion rate exceeding standard (Variant: mass production scenario)

A

Excessive reversion rate is caused by large internal stress or excessive orientation, and needs to be solved from temperature control, cooling rate and haul-off speed. Targeted preventive measures need to be taken in different production scenarios.

Extrusion & Post longitudinal reversion rateinternal stresscooling ratehaul-off speedmolecular orientation

9 görüntüleme

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Q

Excessive shrinkage of heat-resistant polyethylene extruded products (Variant: strengthened measures)

A

Excessive shrinkage is caused by high crystallinity or high temperature, and needs to be solved by controlling temperature and cooling rate. Targeted preventive measures need to be taken in different production scenarios.

Extrusion & Post shrinkage ratecrystallinitymelt temperaturecooling ratehaul-off speed

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Q

Frequent screen change/short screen pack life of heat-resistant polyethylene extruder (Variant: mass production scenario)

A

Frequent screen pack clogging is caused by raw material impurities or improper process, and needs to be solved from raw material management and temperature control. Targeted preventive measures need to be taken in different production scenarios.

Processing Machinery screen packimpuritiescarbonized matterbarrel temperaturescreen change frequency

9 görüntüleme

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Q

Die head pressure fluctuation of heat-resistant polyethylene extruder (Variant: strengthened measures)

A

Die head pressure fluctuation is caused by unstable output or filtration system problems, and extrusion parameters need to be stabilized and the filtration system maintained. Targeted preventive measures need to be taken in different production scenarios.

Extrusion & Post pressure fluctuationscreen packdie head temperaturebreaker plateuniform output

9 görüntüleme

Tam Yanıtı Oku →

Q

Rough inner and outer walls of heat-resistant polyethylene pipes (Variant: strengthened measures)

A

Pipe wall roughness is caused by low mold temperature or poor surface condition, and needs to be solved from temperature control and mold maintenance. Targeted preventive measures need to be taken in different production scenarios.

Material Drying pipe wall roughnessdie temperaturemandrel temperaturemold polishingsizing sleeve

9 görüntüleme

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Q

Haul-off speed mismatch of heat-resistant polyethylene extruded products (Variant: strengthened measures)

A

Haul-off speed mismatch needs to be solved by precisely adjusting haul-off parameters and ensuring haul-off stability. Targeted preventive measures need to be taken in different production scenarios.

Extrusion & Post haul-off speedspeed matchinghaul-off slippageclamping forcehaul-off control

9 görüntüleme

Tam Yanıtı Oku →

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