Problem & Lösung

Q

Cooling system efficiency decline of random copolymer polypropylene pipe special material extruder (Variant: strengthened measures)

A

The decline in cooling efficiency is caused by insufficient water volume or high water temperature, and the cooling system needs to be improved and the water temperature controlled. In different production scenarios, targeted preventive measures need to be taken.

Processing Machinery cooling efficiency cooling water flow cooling water temperature water channel scaling cooling water tank

Q

Sizing device failure of random copolymer polypropylene pipe special material extruder (Variant: strengthened measures)

A

Sizing device failure needs to be solved from three aspects: vacuum system, cooling system, and mold accuracy. In different production scenarios, targeted preventive measures need to be taken.

Processing Machinery sizing device vacuum degree sizing sleeve wear cooling water mold concentricity

Q

Unreasonable die head flow channel design of random copolymer polypropylene pipe special material extruder (Variant: strengthened measures)

A

The die head flow channel design needs to ensure uniform melt distribution and no stagnation, and the die head needs to be redesigned if necessary. In different production scenarios, targeted preventive measures need to be taken.

Processing Machinery die head flow channel uniform flow speed land section flow channel dead corner uniform temperature

Q

Mechanical properties of random copolymer polypropylene pipe special material extruded products not up to standard (Variant: strengthened measures)

A

Mechanical properties not up to standard are caused by material degradation or poor processing quality, and need to be solved from temperature control and plasticization quality. In different production scenarios, targeted preventive measures need to be taken.

Processing Machinery mechanical properties material degradation plasticization quality crystallinity regrind ratio

Q

Excessive gels/gel particles in random copolymer polypropylene pipe special material extruded products (Variant: strengthened measures)

A

Gels are caused by insufficient plasticization or raw material quality problems, and need to be solved from temperature control, screw design, and raw material selection. In different production scenarios, targeted preventive measures need to be taken.

Processing Machinery gel gel particle plasticizing temperature screw mixing filter screen mesh

Q

Large current fluctuation of the random copolymer polypropylene pipe special material extruder (Variant: mass production scenario)

A

Current fluctuation is caused by large plasticizing resistance or equipment problems, and needs to be solved from temperature control, raw material purity, and equipment maintenance. In different production scenarios, targeted preventive measures need to be taken.

Processing Machinery current fluctuation screw torque plasticizing temperature raw material impurities filter screen blockage

Q

Screw wear of the random copolymer polypropylene pipe special material extruder causing poor plasticization (Variant: mass production scenario)

A

Screw wear leads to a decrease in plasticizing efficiency, and needs to be solved by selecting wear-resistant materials and regular maintenance. In different production scenarios, targeted preventive measures need to be taken.

Processing Machinery screw wear poor plasticization wear-resistant material screw clearance screw speed

Q

Large current fluctuation of the random copolymer polypropylene pipe special material extruder (Variant: strengthened measures)

A

Current fluctuation is caused by large plasticizing resistance or equipment problems, and needs to be solved from temperature control, raw material purity, and equipment maintenance. In different production scenarios, targeted preventive measures need to be taken.

Processing Machinery current fluctuation screw torque plasticizing temperature raw material impurities filter screen blockage

Q

Screw wear of the random copolymer polypropylene pipe special material extruder causing poor plasticization (Variant: strengthened measures)

A

Screw wear leads to a decrease in plasticizing efficiency, and needs to be solved by selecting wear-resistant materials and regular maintenance. In different production scenarios, targeted preventive measures need to be taken.

Processing Machinery screw wear poor plasticization wear-resistant material screw clearance screw speed

Q

Large barrel temperature fluctuation during processing of random copolymer polypropylene pipe special material random copolymer polypropylene pipe special material (Variant: strengthened measures)

A

Barrel temperature fluctuation is caused by heating or temperature control system faults, and the heater bands, thermocouples, and temperature controllers need to be regularly checked and maintained. In different production scenarios, targeted preventive measures need to be taken.

Processing Machinery temperature fluctuation heater band thermocouple temperature controller PID parameters

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