Address: Mould City,Huangyan CN 318020
Phone: +86 159 6865 2523
Email: sales@plasticmoulds.net

TOPWORKS PLASTIC MOLD

injection molding company

plastic mold

Injection Molding Touble Shooting

Byplastic mold
OnJanuary 28, 2013
Inplastic mold

Injection Molding Touble Shooting

Problems

Water Mark

Streak

Flash

Weld Line

Poor Surface

Unfilled

Burn

Color Problem

Deform

Thick

Crack

Possible Reason

Low Barrel Temp

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High Barrel Temp

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High Injection Pressure

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Low Injection Pressure

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Short Packing Time

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Long Packing Time

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High Injection Speed

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Low Injection Speed

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Poor Cooling

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Poor Mold Temp Control

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Long Cycle

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Short Cycle

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Big Runner Or Sprue

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Small Runner Or Sprue

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Poor Gate Position

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Low Clamping Force

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Poor Venting

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Insufficient Feeding

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Improperdrying Time And Temp

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Foreign Material

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Poor Clean

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Improper Releasing Agent

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Slow Flowing

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Quick Flowing

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water mark	unfilled	flash

silver streak	weld line	burn

plastic mold