Gruenberg Out of Autoclave Composite Curing Oven

Benefits of the Gruenberg Out of Autoclave Composite Curing Oven:

  • Flexible design can cure composite materials of complex contours, shapes and sizes with little to no void content
  • Cures advanced composite materials such as carbon fibers, ceramics, Kevlar®, Nomex®, thermoset, thermoplastic resins, epoxies, aramids, glass fibers and nano-materials
  • Customizable to unique industry applications, including aerospace, sports & recreation, marine, automobile and wind/energy
  • Economical operation with energy efficient, quick cycle times
  • Excellent temperature uniformity and precisely controlled airflow
  • Standard and custom sizes to fit any workspace and accommodate any application


  • Heavy-duty, fully welded structural steel frame or panelized construction
  • Automated vacuum bagging systems
  • High volume, vertical-up air circulation system
  • Airflow alarm system
  • CHIL construction
  • Structural steel support framework
  • High volume vertical-up airflow system
  • Circulation fans with ports
  • Isolated conditioning plenum above chamber
  • Adjustable dampers
  • Allen-Bradley Compact Logix Programmable Logic Controller
  • High Limit Controller Yokogawa UT150L
  • Ethernet connectivity plus RS-232 and USB
  • Differential air pressure switch
  • Sheathed heaters, Incoloy


Gruenberg ovens are designed with the capability to incorporate many other optional features for safety purposes, enhanced process control, and simplified operator interface. Consult a Gruenberg Applications Engineer or our Service Department for more information or questions.

  • Trucks, transfer carts and trays
  • Pneumatically operated vertical lift doors
  • Installation and start-up assistance
  • Custom ports for instruments, piping, vacuum
  • Custom airflow configurations
  • Custom air changes per minute
  • Custom chambers to prep molds or preheat raw material
  • Chart recorders and data acquisition modules
  • Automated damping system
Innovation Center


  • Yokogawa UT150L High Limit Controller Overtemperature Protection

    Yokogawa UT150L High Limit Controller Overtemperature Protection

    • 1/16 DIN high limit controller
    • Type J thermocouple
    • LCD display
    • Shuts down heat-control system and blower when high-heat limit is detected and activates alarm


  • Chart Recorder

    Chart Recorder

    • Circular or strip type
    • Records temperature versus time
    • Some models include digital display
    • J thermocouple for temperature measurement

  • Allen-Bradley MicroLogix PLC

    Allen-Bradley MicroLogix PLC

    • 10 Digital inputs
    • 6 Digital outputs
    • 2 Analog inputs
    • Ability to add digital, analog, RTD, and thermocouple modules to customize the controller for your application.
    • Supports expansion I/O -- up to four 1762 I/O modules
    • High speed I/O: 20 kHz HSC, 20 kHz 
    • PTO/PWM output
    • 4KB user-program memory
    • 4KB-word, user-data memory
    • Up to 128KB for data logging and 64KB for recipes
    • Built-in 10/100 Mbps EtherNet / IP Port
  • Pneumatically operated lid system

    • Two pneumatic cylinders open lid with actuation through push buttons
    • Reed switches detect piston location
    • Limit switches
  • Vacuum System

    • An array of systems may be employed:
      Rotary vance, scroll, reciprocating, oil-filled pump, oil-less pump.


Out of Autoclave Composite Curing Oven Specifications

Operating Temperature: +350°F (176.5°C)
Maximum Temperature: +450°F (232°C)
Workspace: Custom
Interior and Exterior: 304 Stainless Steel
Insulation: 3” Fiberex
Solvent Venting: 140 CFM through 4” connection
Safety Features: Airflow switches, door switch
Heating System: Seamless tubular Incoloy type
Controls: 7” Allen Bradley and High Limit Controller Yokogawa UT150L or custom
Temperature Uniformity: +/- 5°C