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Q

COC Internal Stress Causing Stress Cracking

A

The concept of COC stress management is prevention first; low-stress process combination needs to be verified and fixed at the mold trial stage; end-use medium contact test cannot be omitted.; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent re...

Injection Molding COC; stress cracking; internal stress; holding pressure; segmented injection; verification

Q

ASA Glass Fiber Exposure Floating Fiber

A

ASA floating fibers suppressed by temperature and injection speed, mold polishing assists; 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 subsequent simila...

Injection Molding floating fiber glass fiber coating injection speed

Q

ASA Flow Mark Ripples

A

ASA flow marks are the front condensation signal, raising temperature and speed improves; 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 subsequent similar...

Injection Molding flow mark front condensation mold temperature injection speed

Q

ASA Flash Overflow

A

ASA flash first reduce pressure then check clamping, parting line wear must be repaired; 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 subsequent similar ...

Injection Molding flash clamping force parting line pressure

Q

ASA Surface Defect Formation Mechanism

A

The flow instability of ASA surface defects is the academic mechanism; three-element control is the treatment direction; process optimization is based on the mechanism.; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Injection Molding ASA; surface defect; herringbone; flow instability; shear; friction

Q

ASA Weld Line Dark Color

A

Temperature and speed are the main countermeasures for ASA dark weld lines; gate design shifts position; standards manage acceptance.; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Injection Molding ASA; weld line; dark color; temperature; speed; gate

Q

ASA Venting High-Speed Matching

A

ASA vent design is the prerequisite for high-speed process; equal emphasis on position and depth; maintenance ensures long-term effectiveness.; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Injection Molding ASA; venting; high speed; air trap; burnt; cleaning

Q

ASA injection pressure baseline

A

ASA injection pressure 70-140MPa, as low as possible to preserve internal stress; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence

Injection Molding injection pressureshort shotflashinternal stress

Q

ASA injection speed and shear

A

ASA injection medium-high speed is appropriate, long runner 200mm/s level with venting; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence

Injection Molding injection speedshearshort shotstaging

Q

ASA injection pressure 72MPa

A

ASA 72MPa injection pressure is a statistical reference; range management ensures safety; solidification ensures stability.; After confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence

Injection Molding ASA；injection pressure；72MPa；medium-high pressure；stress；mold

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