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GMP PROTOPIC AUTO-540 HS - Troubleshooting Guide; Lamination Results: Wrinkles, Curling, Shrinkage, and Speed Issues

GMP PROTOPIC AUTO-540 HS
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TROUBLESHOOTING
Symptoms Cause of Trouble & Troubleshooting
Wrinkles are on the laminated 1. Nip Roller is contaminated by film / substrate that is stuck on it. -> Clean the roller with cleaner.
results 2. Nip Roller is defective. (trouble in production, damaged surface, etc.)
-> Replace the roller. Contact to a supplier.
3. Laminating roller surface is contaminated by adhesive on films. -> Clean the roller with cleaner.
4. Left/Right pressure on Nip Roller is not same each other.
-> Adjust left/right pressures. Contact to a supplier.
5. Lamination for less than 120gsm substrate.
-> The thinner substrates are not recommended for lamination.
6. Laminating Roller Setting Temp. is high. -> Reduce laminating roller setting temp.
7. Substrate has high humidity. -> Place substrates in dried area.
Curling on laminated results 1. Wrong setting for Decurler.
-> Make a proper angle for the best decurling results with decurler knob.
Curling Way for Right Direction Rotating of Handle
Curling Way for Left Direction Rotating of Handle
2. Film tension is too high. -> Reduce its tension with Film Tension Adjustment Knob.
Film Shrinkage is too high
1. Film tension is too high. -> Reduce tension with film tension adjustment knob.
2. Laminating Roller temp. is too high. -> Reduce its setting temp.
Laminating Speed is not regular.
1. Chain tension is loosen. -> Need to adjust its tension. Contact to a supplier.
2. Several sheets are fed by feeding error.
Substrates are folded 1. Applied film has short width and margins on substrate is wider.
-> Recommend to use film that has shorter width than substrate by 5~10mm.
2. Under lapped area between the sheets is wide.
3. Angle for decurler is too high.
Rewinder is not rotated 1. Tension on rewinder is loosen.
-> Increase its tension with Rewinder Tension Adjustment Knob.
2. Chain is defective / damaged. -> Contact to a supplier.

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