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Tempering Oven Shipped to Flame Treating Company

Wisconsin Oven Corporation has shipped one natural gas fired draw batch oven to Flame Treating Systems Inc. in Durham, NC, to be used for tempering various steel parts. Flame Treating Systems Inc. provides customized flame hardening systems to customers along with in-house flame hardening services. The addition of this tempering oven allows the company to efficiently temper its customers' parts in-house.

The tempering oven has a maximum temperature of 1,250 °F and basket dimensions of 4' W X 3' H X 4' L. Steel parts are loaded into the draw batch oven in the basket on two stainless steel pier rails with the load capacity of 2,000 pounds gross. The recirculation system features a combination airflow arrangement that utilizes a 7,000 CFM at 10 HP plug mounted blower. The combination airflow arrangement provides both horizontal and vertical upward airflow, which maximizes heating rates and temperature uniformity of the product.

"We are so glad to be able to temper parts in our own facility. We are starting to do a significant amount of flame hardening for customers in our shop now, so we needed a better solution than sending parts out for tempering. We installed the oven in the warehouse room adjacent to our 2,000 lb. capacity spin flame hardening machine. Five days later it was in production, tempering batches of 800 lb. sprockets. We are looking forward to continuing to expand our services in the mid-Atlantic region for both localized hardening and tempering, thanks to Wisconsin Oven," said Mark Sirrine, President, Flame Treating Systems Inc.

Features of this tempering batch oven include:

  • 7,000 CFM / 10 HP recirculation system
  • Stainless steel pier rail hearth rated for 2,000 lbs.
  • Industrial air heat burner rated at 450,000 BTU per hour
  • Motorized, modulating gas control valve
  • Flame detector and relay with alarm horn
  • Digital process timer
  • Digital temperature controller and high limit controller.

The tempering oven was fully factory tested and adjusted prior to shipment from the Wisconsin Oven facility. All safety interlocks are checked for proper operation and the equipment is operated at the normal and maximum operating temperatures. An extensive quality assurance checklist was completed to ensure the equipment met all Wisconsin Oven quality standards.

For over 40 years, Flame Treating Systems, Inc. has built custom-designed flame hardening systems per client specifications. It specializes in designing localized hardening solutions. Its machines are installed on four continents across the globe, helping to harden crane wheels, gears, sheaves, rollers and shafts for longer life in a variety of applications. It also provides flame hardening and tempering services for customers in the mid-Atlantic region of the USA, as well as flame head design and repair. For more information on Flame Treating Systems, Inc. go to:

For more information contact:

Wisconsin Oven Corporation

2675 Main Street

East Troy, WI 53120


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