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How to Address Uneven Thickness in Food Tray Production: Application of Multi-Station Thermoforming Machines

How to Address Uneven Thickness in Food Tray Production: Application of Multi-Station Thermoforming Machines

2026-04-03
How to Address Uneven Thickness in Food Tray Production: Application of Multi-Station Thermoforming Machines
Common Issues in Food Packaging Production

In the Turkish food packaging sector, increasing demand for PET and PP trays highlights a recurring issue: uneven thickness distribution, especially at edges and bottom areas.

Key Factors Affecting Thickness Consistency

This issue is often related to:

  • Non-uniform heating across sheet zones
  • Unstable sheet feeding during forming
  • Insufficient coordination between vacuum and pressure
  • Mold design and cooling mismatch
Technical Approach with Multi-Station Thermoforming

Multi-station thermoforming machines separate forming, punching, and cutting processes, allowing better control:

  • Multi-zone heating improves sheet uniformity
  • Positive and negative pressure enhances forming detail
  • Servo-driven feeding improves positioning accuracy
Equipment Selection Considerations for Turkey

For export-oriented manufacturers:

  • Multi-zone heating capability
  • Positive & negative pressure forming
  • Stability under continuous operation