Spraying trace
Description
Injection molded parts of the surface trace of plastics in injection molding process.
Preview
Causes
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Possible causes
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Recommendations to resolve
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Injection molding machine
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1.Filling speed is too fast.
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1.Reduce the injection speed.
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2.Increase the plastic melting temperature.
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3.Increase the mold temperature.
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4.Increase the back pressure.
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2.Plastic injection molding machines's plasticize capacity is insufficient.
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Better Plasticize capacity injection molding machine.
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Mold
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The runner and gate is too small.
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1.To increase the runner diameter and gate width if needed.
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2.Change the gate location or increase the barrier before the gate.
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