Sorun ve Çözüm

Q

Haul-off speed mismatch of random copolymer polypropylene pipe special material extruded products (Variant: mass production scenario)

A

Haul-off speed mismatch needs to be solved by accurately adjusting the haul-off parameters and ensuring stable haul-off. In different production scenarios, targeted preventive measures need to be taken.

Extrusion & Post haul-off speed speed matching haul-off slipping clamping force haul-off control

3 görüntüleme

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Q

Pressure test failure of random copolymer polypropylene pipe special material pipes (Variant: strengthened measures)

A

Pressure test failure is caused by insufficient wall thickness, material degradation, or internal defects, and needs to be systematically solved from process and material quality. In different production scenarios, targeted preventive measures need to be taken.

Processing Machinery pressure test pipe wall thickness material degradation crystallinity plasticization quality

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Q

Process connection problems when switching production between different processing methods of random copolymer polypropylene pipe special material random copolymer polypropylene pipe special material (Variant: strengthened measures)

A

The changeover connection needs to be planned in advance and fully prepared, and the key is to clarify the differentiated requirements of different processing methods for materials. In different production scenarios, targeted preventive measures need to be taken.

Extrusion & Post production changeover processing method process parameters material grade trial production verification

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Q

Excessive shrinkage rate of random copolymer polypropylene pipe special material extruded products (Variant: mass production scenario)

A

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

Extrusion & Post shrinkage rate crystallinity melt temperature cooling rate haul-off speed

3 görüntüleme

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Q

Frequent screen change/short filter screen life of random copolymer polypropylene pipe special material extruder (Variant: mass production scenario)

A

Frequent filter screen blockage is caused by raw material impurities or improper process, and needs to be solved from raw material management and temperature control. In different production scenarios, targeted preventive measures need to be taken.

Processing Machinery filter screen impurities carbonized material barrel temperature screen change frequency

9 görüntüleme

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Q

Die head pressure fluctuation of random copolymer polypropylene pipe special material extruder (Variant: strengthened measures)

A

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

Extrusion & Post pressure fluctuation filter screen die head temperature breaker plate uniform output

3 görüntüleme

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Q

Rough inner and outer walls of random copolymer polypropylene pipe special material pipes (Variant: strengthened measures)

A

Rough pipe wall is caused by low mold temperature or poor surface condition, and needs to be solved from temperature control and mold maintenance. In different production scenarios, targeted preventive measures need to be taken.

Material Drying rough pipe wall die temperature mandrel temperature mold polishing sizing sleeve

3 görüntüleme

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Q

Haul-off speed mismatch of random copolymer polypropylene pipe special material extruded products (Variant: strengthened measures)

A

Haul-off speed mismatch needs to be solved by accurately adjusting the haul-off parameters and ensuring stable haul-off. In different production scenarios, targeted preventive measures need to be taken.

Extrusion & Post haul-off speed speed matching haul-off slipping clamping force haul-off control

3 görüntüleme

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Q

Wide temperature window of random copolymer polypropylene pipe special material PE raw material causing difficulty in process parameter optimization (Variant: strengthened measures)

A

PE temperature window optimization needs to be promoted from two aspects: systematic experiments and experience accumulation. In different production scenarios, targeted preventive measures need to be taken.

Processing Machinery temperature optimization PE grade DOE process parameters temperature database

9 görüntüleme

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Q

Unstable output/surging in random copolymer polypropylene pipe special material extrusion process (Variant: mass production scenario)

A

Unstable output is caused by unstable solids conveying, and the barrel temperature and feeding system need to be optimized. In different production scenarios, targeted preventive measures need to be taken.

Extrusion & Post unstable output surging solids conveying hopper bridging screw speed

3 görüntüleme

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