Troubleshooting
Part dimensions too small
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| Possible Cause |
Possible Solution |
| Mold is under-packed. |
Verify injection fill time.
Increase overall injection speed.
Increase hold pressure and hold time.
Reduce cushion in cylinder
Increase the back pressure.
Decease mold temperature.
Increase melt temperature.
Increase cavity venting.
Increase the cooling time. |
| Mold design is incorrect. |
Verify mold shrinkage factor used
adjust mold design if necessary.
Add additional gates. |
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