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일반적인 플라스틱 재료 문제에 대한 실질적인 답변

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Q

PESU Shrinkage and Precision Thin-Wall

A

PESU's 0.6% shrinkage with high precision is the preferred choice for precision thin-walled parts; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a reference for troubleshooting similar p...

Injection Molding PESU shrinkageprecision partsthin-wallcompensation

Q

PESU Barrel Temperature and Melt Temperature

A

PESU melt temperature 360℃ is the baseline, barrel 340-380℃, mold temperature 140-180℃; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Injection Molding PESU temperaturemelt temperaturemold temperatureplasticization

Q

PSU Injection Pressure and Filling Time

A

PSU needs high-pressure fast filling; 58MPa-level pressure paired with 1.5-second rhythm; After confirming effectiveness, solidify the parameters and practices into the work instructions to prevent recurrence

Injection Molding injection pressure filling time short shot flash

Q

PSU Melt Fracture and Filling Speed

A

PSU speed increase has a melt fracture ceiling; filling relies on temperature, not brute-force speed increase; After confirming effectiveness, solidify the parameters and practices into the work instructions to prevent recurrence

Injection Molding melt fracture injection speed shear upper limit filling

Q

PSU Screw Configuration and Rotation Speed

A

PSU screws need low compression ratio L/D 14-20 paired with 15-45rpm low-speed plasticization; After confirming effectiveness, solidify the parameters and practices into the work instructions to prevent recurrence

Injection Molding screw configuration low compression ratio rotation speed plasticization

Q

PSU Barrel Temperature 400°C-level Control

A

PSU barrels require 400°C-level stable temperature control, which ordinary machines cannot manage; After confirming effectiveness, solidify the parameters and practices into the work instructions to prevent recurrence; Include this case in the defect archive as a reference for troubleshooting sim...

Injection Molding barrel temperature 400°C temperature control accuracy machine selection

Q

PSU Insert Molding

A

PSU insert parts require management of thermal expansion mismatch; preheating and interlocking are standard means; cyclic verification exposes long-term risks.; After confirming effectiveness, solidify the parameters and practices into the work instructions to prevent recurrence

Injection Molding PSU; insert; interface; preheating; interlock; thermal cycling

Q

PSU Multi-stage Injection Air Entrapment

A

PSU high-speed process must be paired with multi-stage control; air entrapment treatment emphasizes both venting and profile; junctions are the key areas of concern.; After confirming effectiveness, solidify the parameters and practices into the work instructions to prevent recurrence

Injection Molding PSU; air entrapment; multi-stage injection; high speed and high pressure; venting; burning

Q

Insufficient PSU Injection Pressure

A

The 80% injection pressure for PSU is clear process guidance; high speed and high pressure is the standard method; mold strength calculation ensures safety.; After confirming effectiveness, solidify the parameters and practices into the work instructions to prevent recurrence

Injection Molding PSU; injection pressure; 80%; high speed and high pressure; short shot; multi-stage

Q

PSU Dents and Sink Marks

A

Treating PSU dents requires balancing the contradiction between temperature and stress; holding time is the main adjustment means; thinning thick-wall design is the root.; After confirming effectiveness, solidify the parameters and practices into the work instructions to prevent recurrence

Injection Molding PSU; dents; sink marks; holding pressure; mold temperature; thick wall

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