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PET Preform Short Shot Material Shortage

Preform short shots are directly scrapped, and need to be quickly located from the three aspects of pressure, temperature and gate; multi-cavity molds should monitor the weight cavity by cavity to ensure filling consistency of each cavity.; after confirming effectiveness, solidify the parameters ...

Injection Molding PET; preform; short shot; material shortage; injection pressure; gate

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PET Preform White Haze Crystallization (Slow Cooling)

White haze crystallization is an irreversible defect and must be prevented at the preform injection stage; controlling melt temperature and cooling rate is the core, and preforms with white haze should be directly scrapped.

Injection Molding PET; preform; white haze; crystallization; cooling; transparency

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PET Preform Mold Eccentric Wear

Cavity number traceability locates the eccentricity source.

Injection Molding PET; preform; mold wear; concentricity; cavity number

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PET Preform Injection Mold Sticking

Mold sticking = holding pressure and cooling.

Injection Molding PET; preform; mold sticking; holding pressure; cooling

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PET Preform Injection Short Shot

Preform short shot = pressure and venting.

Injection Molding PET; preform; short shot; injection pressure; venting

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PET Injection Preform Gate Crystallization (Whitening)

Gate whitening = local crystallization, a hidden danger at the bottom.

Injection Molding PET; preform; gate crystallization; shear heat; cooling

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PET Injection Preform Black Specks

Preform black specks = dead-corner carbonization.

Injection Molding PET; preform; black speck; carbonization; hot runner

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PESU Two-Color '2079851475616104452

PESU two-color is a complex process; compatibility and matching are the foundation; testing ensures quality.; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence

Injection Molding PESU; two-color; overmolding; interface; compatibility; temperature

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PESU Insert Molding

PESU insert is a composite structure; thermal management is the key; testing ensures reliability.; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence

Injection Molding PESU; insert; thermal expansion; preheating; bonding; testing

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PESU Venting Design

PESU venting is the guarantee of high-speed process; design and maintenance are equally important; monitoring prevents defects.; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence

Injection Molding PESU; venting; air entrapment; vent groove; position; cleaning

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Tüm Konular 11636 Material Drying 1439 Injection Molding 1506 Molding Process 740 Molds & Tooling 1506 Processing Machinery 2025 Extrusion & Post 2239 Blow Molding 315 Thermoforming 141 Material Analysis 1343 Production & Quality 382

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