| SYFAN SHRINK FILM PACKAGING TROUBLESHOOTING |
| Supplier of Quality Shrink and Overwrap Films |
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Problems |
Solutions |
| 1. |
Film splitting at centerfold during operation |
W |
| 2. |
Burn holes - 'hot spots' |
G L N R X |
| 3. |
Film splits at hole punch |
H G X |
| 4. |
Film splits at top of package |
H G X K L P R N |
| 5. |
Excessive smoking |
A B C E S U |
| 6. |
Angel hairs |
A B C E F I J S V |
| 7. |
Off-center seal |
Y |
| 8. |
Crows feet |
M N X Q K |
| 9. |
Fish eyes |
K M N O Q |
| 10. |
Dog ears |
M N O Q X |
| 11. |
Erratic shrinking |
K M N Q X |
| 12. |
Severe ballooning |
G X |
| 13. |
Weak or split seals |
A B C D E F I J S T U V |
| 14. |
Seal failure in tunnel |
A B C D E F G I J K N P R V |
| 15. |
Build-up on sealing wire |
A B C E S V Z |
| 16. |
Film cannot be separated |
Call for advise |
| 17. |
Static in film |
Call for advise |
| 18. |
Film collapses the package |
Call for advise |
| 19. |
Adjustments do not work |
Call for advise |
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Solutions key |
| A. |
Check and clean wire and insulating material. |
| B. |
Check condition of sealing pad and teflon tape |
| C. |
Check for even clamp pressure |
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| D. |
Check to make sure that there is no tension on the film during sealing |
| E. |
Make sure seal is made with minimum wire temperature |
| F. |
Make sure that sealing cycle is completed before sealing jaws are released |
| G. |
Check for location of air evacuation hole |
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| H. |
Check hole punch for striker alignment or damaged die |
| I. |
Make sure that magnetic hold-downs are released at the same time |
| J. |
Make sure that L-sealer take away conveyor does not engage before the |
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sealing jaws are released |
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| K. |
Make sure that the tunnel is functioning properly |
| L. |
Speed up tunnel conveyor |
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| M. |
Slow down tunnel conveyor |
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| N. |
Adjust tunnel air flow |
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| O. |
Use less film around product |
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| P. |
Use more film around product |
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| Q. |
Increase tunnel temperature |
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| R. |
Decrease tunnel temperature |
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| S. |
Increase wire temperature |
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| T. |
Decrease wire temperature |
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| U. |
Decrease dwell time |
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| V. |
Take off teflon sleeve |
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| W. |
Check to see if roll has been dropped |
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| X. |
Move air evacuation hole to proper position for the best results in shrinking |
| Y. |
Adjust loading platform |
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| Z. |
Check for polyswitch - turn off |
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