Wrinkles on the surface of corrugated board can lead to printing defects and structural weaknesses, impacting the final quality of corrugated boxes. What causes this issue, and how can we fix it? Here are the key factors:
🛑 Common Causes:
✅ Poor paper quality
✅ Uneven moisture content
✅ Excessive tension on the edges
✅ Misalignment of guide rollers
✅ Incorrect paper feeding position
✅ uneven glue application.
Solutions:
✔️ Use high-quality raw paper
✔️ Increase preheating wrap angle or apply moisture spray
✔️ Adjust tension and preheating settings
✔️ Align the guide rollers properly
✔️ Fine-tune the feeding section
Wrinkle-free corrugated board ensures better printing quality and structural integrity, improving overall production efficiency. How does your factory handle this issue? Let’s discuss! 👇
