12.5.12 Parts Sticking to Cavity
The finished product does not properly release from the mold (female side).
Probable Cause:
1. Molding Machine
• High injection pressure
• High injection speed
• Long holding time
• High material feed
2. Mold
• Hot cavity
• Cold mold
• Defective mold surface
3. Material
• Melt too hot
Solution (in sequence):
1.
Confirm cycle time for cooling
2. Reduce injection pressure
3. Reduce injection hold time
4. Reduce injection speed
5. Reduce injection time
6. Adjust feed
7.
Inspect mold finish
8. Increase mold opening cycle
9. Lower mold temperature
10.
Adjust differential temperatures
11. Inspect for appropriate mold release
12-16
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TROUBLESHOOTING
FSG2 User Manual
Summary of Contents for Fusion G2
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