Problem & Solution

Practical answers to common plastic material challenges

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Q

PCABS Mold Sticking and Scratching

A

For PC/ABS mold sticking, first reduce holding pressure, then draft angle and polishing; 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 in...

Molds & Tooling mold stickingholding pressuredraft angleejection

Q

PCABS Black Specks and Mixed Spots

A

For PC/ABS black specks, check dead corners and regrind; cleaning must be thorough; 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 in the ...

Molds & Tooling black speckcarbonizationdead cornerregrind

Q

PCABS Uneven Gloss

A

For poor PC/ABS gloss, check mold temperature stability, assisted by consistent polishing; 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 ...

Molds & Tooling uneven glossmold temperaturepolishingreplication

Q

PCABS Short Shot Material Shortage

A

For PC/ABS short shot, troubleshoot in the order of temperature, venting, and gate; 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 in the ...

Molds & Tooling short shotventinggateflow length

Q

PCABS Venting Silver Streaks

A

For venting silver streaks, watch the ends and ribs, with venting grooves of 0.03-0.05mm; 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 i...

Molds & Tooling venting silver streakstrapped gasventing grooveend

Q

PCABS Surface Gloss

A

Mold temperature and polishing are the foundation of PCABS surface gloss; process and standards are equally important; inspection ensures consistency.; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Molds & Tooling PCABS;surface gloss;mold temperature;polishing;process;inspection

Q

PCABS Weld Line Strength

A

PC/ABS weld line strength is discounted to 60%, with temperature and relocation as dual countermeasures; 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 sim...

Molds & Tooling weld lineconfluencestrengthoverflow well

Q

PCABS Burnt Marks

A

For PC/ABS burning, first improve venting and then reduce end-stage speed; 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 in the future

Molds & Tooling burnttrapped gasventingend-stage speed

Q

PCABS Warpage Cooling

A

Cooling uniformity is the core of PCABS warpage; independent temperature control and compensation; monitoring ensures the effect.; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Molds & Tooling PCABS;warpage;cooling;mold temperature;cycle;compensation

Q

PCABS Shrinkage Voids and Dents

A

Systematic adjustment of PCABS shrinkage voids is the standard path; temperature, holding pressure, and gate are equally important; runner heating is a refined means.; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Molds & Tooling PCABS;shrinkage voids;dents;mold filling;holding pressure;gate

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