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Highly-Efficient Automated Heat Treatment System Uses FANUC Robot for Flame Treating, Quenching


O'Brien & Gere developed this integrated DentonTSI™ Thermal Solution - an automated heat treat and quenching system utilizing robotic automation with the FANUC R-2000iB/210F Robot. Because of its slim design and best-in-class motion area and payload, the FANUC R-2000iB is a great fit for a variety of manufacturing applications that require a reliable and versatile robot for work in compact areas.


The process starts when an operator loads a recipe from the console and initiates the batch cycle. At the cycle start, an infeed conveyor moves the part into the cell. Once the part reaches the correct position, the robot is signaled for pick-up, and moves into position. The robot engages its servo-driven gripper to pick up the part. Meanwhile, a servo controlled rotary hearth inside the furnace moves into position. With the robot in position, the flame curtain ignites in order to burn off any combustible atmospheric gases in the furnace, and oxygen, prior to the robot entering the furnace.

When the DentonTSI™ furnace door opens, the robot places the part on the hearth inside the furnace. The door closes and seals, and the flame curtain gas valve also closes. If additional space is available inside the furnace, the robot will move back to the infeed table to load the next part. Once the part has reached the allotted time and temperature set points based on the loaded recipe, the servo-driven hearth positions the part for extraction in front of the door. The FANUC R-2000iB Robot retrieves the hot part and places it in the quench press. The part is quenched for the proper time and with the proper clamping pressure based on the recipe set points to maintain part uniformity.

Once the part is cooled, the robot retrieves it and places it on the part washer conveyor. Quenching fluid is rinsed from the part, and the part is conveyed out of the cell for operator retrieval. A record for all critical process parameters is finalized and used for future reports. 

O'Brien & Gere provides comprehensive thermal solutions through the design, fabrication, installation, and commissioning of high-quality DentonTSI™ systems for the heat treat, forging, and thermal industry. O'Brien & Gere creates custom applications and expanded integrated thermal process systems, from pilot to full-scale production.

Interested in a Robot for your Flame Treating Process? Talk to us today!

Follow the link to speak with a FANUC representative today, or learn more about our full line of Foundry Robots.


Key Technology Demonstrated


FANUC R-2000iB Robot

  • The slim arm of the R-2000iB and compact footprint allows for increased robot density, increasing throughput.
  • Compact size and ability to flip over and work behind itself maximizes flexibility for work cell design, and saves valuable floor space.
  • Large allowable wrist moments and inertias meet a variety of heavy handling challenges.
  • Non-rotating forearm simplifies hose and cable dressout increasing service life.
  • Proven, reliable FANUC servo drives provide highest uptime and productivity.
  • High-performance motion yields fast cycle times and high throughput.
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