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Thermal curing is a critical step in manufacturing quality composite materials. Traditionally, most composite parts required autoclaves for proper curing. Today, low cost out-of-autoclave curing of aerospace-grade composite parts is possible using a vacuum bagging system with a walk-in batch oven. The process is precisely controlled and monitored to ensure void-free composite parts.

Despatch provides complete composite curing systems that include a custom configured oven, integrated multi-port vacuum system, and Focal Point Process Controller. The system meets AMS2750, BAC5621, NADCAP and AS9100 requirements and has been utilized by the world’s leading aerospace manufacturers.

Airflow is a critical factor in achieving uniformly cured composite parts and no one has more experience with the dynamics of thermal airflow than Despatch. Our ovens are known for exceptional temperature uniformity and our proprietary Focal Point Control System has been specifically designed to provide the process control, data acquisition and reporting needed for complex composite curing.

Composite Curing Brochure

Composite Curing Oven Technology

The anchor of the Despatch composite curing system is an oven that delivers exceptional temperature uniformity for perfectly cured parts. Multiple thermocouples are connected through jack panel arrays to fully monitor the part as well as the oven temperature.

  • Flexible and customizable to specific composite curing requirements
  • Tight uniformity, standard at +/-5°C or better
  • Electrically heated or gas fired
  • Custom airflow to optimize heat transfer to unique molds

Integrated multi-port vacuum systems

composite materials

Out-of-autoclave curing requires a vacuum bagging system to apply pressure to the composite to eliminate voids. The Despatch vacuum system includes a vacuum pump and ports that can be added to suit your needs.

  • Vacuum pump and all required components for complete system
  • Vacuum monitoring with data recording throughout cure cycle
  • Stringent vacuum stability tolerances less than 1 Hg loss per hour at 25Hg

Focal Point™ Process Control System

composite materials

Tight process control and monitoring is critical for consistent quality parts. Focal Point™ fully controls the curing process and documents all process information, providing traceability and validation of part quality.

  • PC-based system with Ethernet communication
  • All relevant process data is saved on system PC and can be accessed from plant computer system
  • Standard and customized reporting capability to validate process
  • Vacuum and pressure system can be monitored and controlled from display