Problema e solução

Respostas práticas para os desafios comuns dos materiais plásticos

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Q

PVC Cooling and Calibration

A

Profile deformation controlled by calibration cooling uniformity; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a troubleshooting reference for similar problems later

Processing Machinery PVC calibration profile bending

Q

PVC Material Change Cleaning

A

PVC material change cleaning must be thorough and corrosion checked; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a troubleshooting reference for similar problems later

Processing Machinery PVC material change cleaning corrosion

Q

PVC Thermocouple Calibration

A

PVC temperature control metering managed at ±2℃ precision; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a troubleshooting reference for similar problems later

Processing Machinery PVC thermocouple calibration precision

Q

PVC Melt Actual Measurement

A

PVC must be based on actual measured melt temperature; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a troubleshooting reference for similar problems later

Processing Machinery PVC melt actual measurement calibration deviation

Q

PVC Startup Procedure

A

PVC startup first discharges residual material, first piece must be inspected; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a troubleshooting reference for similar problems later

Processing Machinery PVC startup cleaning first piece

Q

PVC Nozzle Temperature

A

PVC nozzle should be straight-through large bore plus temperature lower limit; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a troubleshooting reference for similar problems later

Processing Machinery PVC nozzle yellow spot straight-through

Q

PVC Barrel Temperature Zoning

A

PVC temperature gradient must be gentle, strictly prevent front zone overheating; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a troubleshooting reference for similar problems later

Processing Machinery PVC barrel temperature gradient plasticization

Q

PVC Screw Temperature

A

Screw condition is part of PVC residence control; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a troubleshooting reference for similar problems later

Processing Machinery PVC screw wear residence

Q

PVC De-HCl Autocatalysis

A

PVC degradation is an autocatalytic process, must be handled at first time; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a troubleshooting reference for similar problems later

Processing Machinery PVC de-HCl autocatalysis degradation

Q

PVC Narrow Processing Window

A

PVC adjustment must be small steps and fast pace, temperature window only 35℃; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a troubleshooting reference for similar problems later

Processing Machinery PVC processing window temperature control precision

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