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
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Gruenberg warrants that from the date it ships or, if applicable, finishes installing a product and/or providing start-up and/or training services, the product Gruenberg manufactured shall conform to written specifications that Gruenberg approved, and the product shall be free from defects in material and workmanship for twelve (12) months. Gruenberg further warrants that any service it performs shall conform to written specifications that Gruenberg approved and be free from defects in workmanship for twelve (12) months. If a purchaser purchases a TPS turn-key or supervised installation, these limited warranties shall each be extended by twelve (12) months, subject to the exclusions below. If, within that time period, the original purchaser notifies Gruenberg in writing of an alleged non-conformity, and Gruenberg determines, to its reasonable satisfaction, that a product or service is, in fact, non-conforming, then Gruenberg shall, at its option and expense, repair or replace the non-conforming product or correct the non-conforming service, either at the original purchaser’s or Gruenberg’s factory. Click here for additional warranty details


  • 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