STRESS RELIEVING NEWS

Vacu-Braze Receives New Quenching Furnace for Specialty Aerospace Materials

Vacu-Braze recently installed a new water quenching furnace in their Quakertown, PA, facility. This acquisition will allow for the expansion of capabilities to include rapid quenching of specialty aerospace materials such as steels or titanium.

The new furnace from Lucifer Furnaces, measuring 45.5”x29.5”x28,” contains argon and nitrogen atmosphere capabilities which allow for processing in a protective atmosphere even at high temperatures while maintaining AMS 2750 compliant uniformity. The pyrometry team at Vacu-Braze was able to achieve Class 2 pyrometry, opening up more available processes such as annealing, austenitizing, normalizing, stress relieving, solution treating, and tempering.

"Lucifer Furnaces was selected for the order," commented Jerry Novak, process engineer at Vacu-Braze, "[as their furnaces] are locally made and could be custom designed for the application. They are built in Eastern Pennsylvania to our desired specifications. Vacu-Braze is always happy to partner with companies that manufacture quality equipment and products in the USA."

The heat treat company also noted that this piece of equipment expands their services to existing clients while providing processes for new clients.


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Tool Steel Manufacturer Amps Up With 2 Box Furnaces

HTD Size-PR LogoA manufacturer of saw blades and tool steels will amp up its heat treating capabilities with two floor-standing box furnaces. The new furnaces will be used for stress relieving and tempering large steel castings.

L&L Special Furnace Co., Inc. will deliver the model XLE3648 furnace with an electric vertical door, an alloy hearth, and a complete control system. This model has an effective work zone of 34" x 34" x 44" and will be used for heat treating various tool steels for saw blades. The model FB336, with an effective work zone of 36" x 36" x 72", is fiber-lined and will be used to temper and stress relieve steel castings.


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Grand Blanc Processing to Integrate New Furnace

HTD Size-PR LogoA roller-hearth furnace will soon be processing wire products at Grand Blanc Processing's high quality processed wire production facility in Holly, MI. The furnace will be used to spherodize anneal and stress relieve wire products.

Tenova, a developer and provider of sustainable solutions in the metals industry, has been contracted through Tenova Inc. for this turnkey supply of an STC® (Short Time Cycle) furnace. This project will mark the third furnace installation of its kind at Grand Blanc Processing’s facility, and the new furnace will be integrated with the existing furnaces in operation. Furnace start-up is expected to take place at the end of 2022.

The furnace will include advanced nitrogen control technology that will reduce nitrogen consumption by up to 30% per cycle and reduce fuel consumption by 2% per cycle. Tenova Inc. will also design and supply three product cooling tables as well as the complete control and automation package.


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Large Car Bottom Furnace for US Heat Treater

HTD Size-PR LogoFrom the southeastern U.S., a leading manufacturer of specialty alloys, pipes, tubes and fittings has placed an order for a large gas fired, car bottom furnace that is scheduled for delivery in Q4 2021.

The furnace from L&L Special Furnace Company will be used for normalizing various steels and specialty alloys at temperatures up to 2,200°F (1,200°C). It will also be used to preheat, stress relieve and temper various steels and large pipe fittings.

The L&L model FCG4410 has working dimensions of 48” wide by 48” tall by 120” deep. Uniformity of ±25°F ( 12.5°C) or better is expected throughout the work zone. Complete factory testing and on-site commissioning is included.

The gas fired furnace uses six medium velocity burners that fire over and under the load. The furnace car moves in and out of the unit on supplied railroad type rails. The door is mounted to the car and is motorized with all required stops and clearances. The side seals are pneumatic and seal to the car bottom once the car is inside the furnace. Castable piers provide good support for up to a 10,000 pound load. The furnace is completely insulated with ceramic fiber modules.

The control is a floor-standing NEMA12 panel with fused disconnect at the source. All fusing and interconnections are included. The furnace is controlled by a Eurotherm Nanodac program control with two slave units. Three-zone control is provided to promote uniformity. Overtemperature protection is provided along with a six-input paperless chart recorder and jack panel.

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Global Metal Equipment Producer Acquires Two Heat Treatment Furnaces

A global producer of highly engineered metal earth moving, construction, and mining wear equipment recently commissioned two large capacity heat treatment furnaces. As part of this turn-key contract, Can-Eng Furnaces International Ltd. designed and commissioned individual tempering and stress relieving furnaces. Both heat treatment systems were assembled and tested at Can-Eng’s Niagara Falls facility prior to shipment and commissioning at the customer’s facility.

The furnace systems were part of a major expansion by the customer to satisfy increased demand for large steel castings and weldments used as part of their equipment designs. Both furnaces are equipped with high efficiency, natural gas-fired heating and recirculation systems that have demonstrated to exceed the requirements of AMS-2750 temperature uniformity. Both systems integrated the company’s preferred PLC hardware, which was upgraded to include a more flexible safety rated PLC over conventional hardwired safety circuits.

(source: CAN-ENG)

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SDB Furnaces Shipped to Metal Treating Facility

Mark Schahczinski, Sales Engineer, Wisconsin Oven Corporation

A metal treating company based in Raleigh, North Carolina, recently purchased five electrically heated standard draw batch (SDB) series furnaces to be used for stress relieving at its facility.

East Carolina Metal Treating received shipment of the equipment, which have maximum operating temperatures of 1250°F, from Wisconsin Oven Corporation, a Thermal Products Solutions company. Guaranteed temperature uniformity of ± 10°F at set points 300°F, 750°F, and 1250°F was documented with a 9-point temperature uniformity survey in empty oven chambers under static operating conditions.

“East Carolina Metal Treating has been incredible to work with,” said Mark Schahczinski, Sales Engineer, “and we look forward to working with them for many years to come. ECMT even filmed the installation process for these five batch ovens, and the time lapse video is available to watch on both the WOC and ECMT Facebook pages.”

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