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Practical answers to common plastic material challenges

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Q

PC/ABS low-temperature toughness

A

Low-temperature applications verify first; structural design cooperates.; 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 PC/ABS；low temperature；brittle cracking；toughness；notch；structure

Q

PC/ABS heat resistance deformation

A

Heat resistance management relies on material selection and stress 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 PC/ABS；heat resistance；deformation；heat deflection temperature；internal stress；material selection

Q

PC/ABS chemical resistance

A

Chemical-resistant applications need verification; material selection and stress are both important.; 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 simila...

Processing Machinery PC/ABS；chemical resistance；cracking；media；compatibility；test

Q

PC/ABS plating quality

A

Plating applications require special material selection; internal stress management affects coating quality.; 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 fo...

Processing Machinery PC/ABS；electroplating；bonding force；grade；internal stress；roughening

Q

PC/ABS stress cracking

A

For stress cracking, check stress and media; the PC component is sensitive to solvents.; 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 PC/ABS；stress cracking；internal stress；solvent；annealing；verification

Q

PC/ABS silver streak (air entrapment type)

A

Air-type silver streaks have a scattered form; back pressure and nozzle seal are the troubleshooting points.; 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 fo...

Processing Machinery PC/ABS；silver streak；air；back pressure；nozzle；suck-back

Q

PC/ABS shrinkage rate management

A

Low and predictable shrinkage rate is the precision advantage of PC/ABS; only a stable process can deliver it.; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Processing Machinery PC/ABS；shrinkage rate；dimension；precision；compensation；SPC

Q

PC/ABS melt temperature too high degradation

A

PC/ABS requires strict thermal management; 240~280℃ is the industry standard window, exceeding temperature means degradation.; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Processing Machinery PC/ABS；melt temperature；degradation；yellowing；window；calibration

Q

Accelerated screw wear of glass fiber reinforced PC

A

GF material 'must be equipped with a wear-resistant plasticizing system': glass fiber is an abrasive, ordinary screws cannot withstand it; hardware upgrade is more economical than repairing quality afterwards, and the plasticizing time trend is an early warning of wear.

Processing Machinery PC；glass fiber；screw wear；metering；bimetallic

Q

PC Product Drop Fracture

A

For PC drop failure, 'first draw the fracture path map': check where it breaks; weld lines, sharp corners, and internal stress are the three high-incidence areas, and path analysis locates the fastest; after confirming effectiveness, solidify the parameters and practices into the work instruction...

Processing Machinery PC; drop; fracture; weld line; stress concentration

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