Problema e solução

Respostas práticas para os desafios comuns dos materiais plásticos

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Q

PPS Weld Line Strength

A

The difficulty of PPS weld line treatment lies in the 0.0127mm venting precision; temperature and speed optimization combined with position transfer are used together; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Molds & Tooling PPS; weld line; vent groove; 0.0127mm; gate

Q

PPS pinpoint gate reduces orientation

A

Gate form is a structural means of PPS orientation management; pinpoint gate radial flow is the classic solution for low warpage; After confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence

Molds & Tooling PPS; pinpoint gate; fiber orientation; flatness; film gate

Q

PPS high mold temperature side effects

A

There is no free lunch with PPS mold temperature; the rigidity gained from crystallinity comes at the cost of toughness, position according to use; After confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence

Molds & Tooling PPS; high mold temperature; crystallization; impact strength; brittle

Q

PPS mold temperature 130-150℃

A

Mold temperature is the switch of PPS crystallinity; 130-150℃ ensures sufficient crystallization, glossy surface and dimensional stability; After confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence

Molds & Tooling PPS; mold temperature; 130-150℃; crystallinity; gloss

Q

PPSU runner system

A

PPSU runner is the filling foundation; short, thick and balanced is the principle; optimization ensures efficiency and quality.; After confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence

Molds & Tooling PPSU; runner; short and thick; balance; pressure; efficiency

Q

PPSU gate design

A

PPSU gate is key to flow and appearance; design and simulation are equally important; verification ensures quality.; After confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence

Molds & Tooling PPSU; gate; design; viscosity; flow; appearance

Q

PPSU demolding mold sticking

A

PPSU demolding is a high-temperature challenge; system and surface treatment are equally important; monitoring prevents defects.; After confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence

Molds & Tooling PPSU; demolding; mold sticking; ejection; surface; monitoring

Q

PPSU cooling time

A

PPSU cooling is necessary for high-temperature process; balance is the optimization goal; verification ensures quality and efficiency.; After confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence

Molds & Tooling PPSU; cooling; time; demolding; deformation; cycle

Q

PPSU holding pressure management

A

PPSU holding pressure is a balance of quality and stress; optimization is based on testing; standardization ensures consistency.; After confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence

Molds & Tooling PPSU; holding pressure; sink mark; wall thickness; stress; weight

Q

PPSU mold design

A

PPSU mold high temperature is a process requirement; system design assurance; actual measurement prevents deviation.; After confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence

Molds & Tooling PPSU; mold; heating; insulation; uniform; actual measurement

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