Sorun ve Çözüm

Q

Dimensional fluctuation of random copolymer polypropylene pipe special material extruded products (Variant: mass production scenario)

A

Dimensional fluctuation is caused by unstable extrusion or haul-off, and each process parameter needs to be systematically stabilized. In different production scenarios, targeted preventive measures need to be taken.

Extrusion & Post dimensional fluctuation screw speed haul-off speed temperature stability uniform feeding

3 görüntüleme

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Q

Longitudinal reversion rate of random copolymer polypropylene pipe special material pipes exceeding the standard (Variant: mass production scenario)

A

Reversion rate exceeding the standard is caused by large internal stress or excessive orientation, and needs to be solved from temperature control, cooling rate, and haul-off speed. In different production scenarios, targeted preventive measures need to be taken.

Extrusion & Post longitudinal reversion rate internal stress cooling rate haul-off speed molecular orientation

3 görüntüleme

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Q

Excessive shrinkage rate of random copolymer polypropylene pipe special material extruded products (Variant: strengthened measures)

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: strengthened measures)

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

Glossless surface of random copolymer polypropylene pipe special material extruded products (Variant: mass production scenario)

A

Glossless surface is caused by low die temperature or too fast cooling, and the die temperature needs to be increased and the cooling slowed down. In different production scenarios, targeted preventive measures need to be taken.

Processing Machinery glossless die temperature cooling rate die polishing melt temperature

9 görüntüleme

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Q

Unstable output/surging in random copolymer polypropylene pipe special material extrusion process (Variant: strengthened measures)

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

2 görüntüleme

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Q

Dimensional fluctuation of random copolymer polypropylene pipe special material extruded products (Variant: strengthened measures)

A

Dimensional fluctuation is caused by unstable extrusion or haul-off, and each process parameter needs to be systematically stabilized. In different production scenarios, targeted preventive measures need to be taken.

Extrusion & Post dimensional fluctuation screw speed haul-off speed temperature stability uniform feeding

2 görüntüleme

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Q

Rough inner wall of random copolymer polypropylene pipe special material extruded products (Variant: mass production scenario)

A

Rough inner wall is caused by low mandrel 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.

Processing Machinery rough inner wall mandrel temperature mandrel polishing melt temperature plasticization quality

9 görüntüleme

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Q

Longitudinal reversion rate of random copolymer polypropylene pipe special material pipes exceeding the standard (Variant: strengthened measures)

A

Reversion rate exceeding the standard is caused by large internal stress or excessive orientation, and needs to be solved from temperature control, cooling rate, and haul-off speed. In different production scenarios, targeted preventive measures need to be taken.

Extrusion & Post longitudinal reversion rate internal stress cooling rate haul-off speed molecular orientation

2 görüntüleme

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Q

Degradation discoloration of random copolymer polypropylene pipe special material extruded products (Variant: mass production scenario)

A

Degradation discoloration is caused by overheating or excessive shear, and needs to be prevented from three aspects: temperature control, speed, and material selection. In different production scenarios, targeted preventive measures need to be taken.

Processing Machinery degradation discoloration thermal degradation screw speed residence time antioxidant

9 görüntüleme

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