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Improper processing temperature window selection of cross-linked polyethylene cross-linked polyethylene (Variant: strengthened measures)

Temperature window selection is the basis of processing and needs to be set reasonably according to material characteristics and actual operating experience. Targeted preventive measures need to be taken in different production scenarios.

Processing Machinery processing temperaturetemperature windowplasticizing qualitymaterial degradationtemperature calibration

Random copolymer polypropylene pipe special material pipe pressure resistance test failure

Pressure resistance failure is caused by insufficient wall thickness, material degradation or internal defects, and needs to be systematically solved from process and material quality.

Processing Machinery pressure resistance testpipe wall thicknessmaterial degradationcrystallinityplasticizing quality

Screw design mismatch of random copolymer polypropylene pipe special material extruder

The screw design needs to match the material characteristics and product requirements, and a special screw needs to be customized if necessary.

Processing Machinery screw design compression ratio L/D ratio mixing elements screw matching

Improper selection of the processing temperature window for random copolymer polypropylene pipe special material random copolymer polypropylene pipe special material

The selection of the temperature window is the basis of processing, and needs to be reasonably set according to the material characteristics and actual operating experience.

Processing Machinery processing temperature temperature window plasticization quality material degradation temperature calibration

Uneven cutting end face of random copolymer polypropylene pipe special material pipes (Variant: strengthened measures)

Uneven cutting end face is caused by tool wear or improper cutting parameters, and the tools need to be maintained and the cutting process optimized. In different production scenarios, targeted preventive measures need to be taken.

Processing Machinery cutting end face cutting tool cutting speed pipe cooling cutting machine calibration

Cooling system efficiency decline of random copolymer polypropylene pipe special material extruder (Variant: mass production scenario)

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

Sizing device failure of random copolymer polypropylene pipe special material extruder (Variant: mass production scenario)

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

Unreasonable die head flow channel design of random copolymer polypropylene pipe special material extruder (Variant: mass production scenario)

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

Mechanical properties of random copolymer polypropylene pipe special material extruded products not up to standard (Variant: mass production scenario)

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

Excessive gels/gel particles in random copolymer polypropylene pipe special material extruded products (Variant: mass production scenario)

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

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