المشاكل والحلول

Q

Die head pressure fluctuation of random copolymer polypropylene pipe special material extruder (Variant: mass production scenario)

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

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

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

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

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

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

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

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

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

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

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