L&L Special Furnace Co

Aero and Turbine Heat Treat Expands for Titanium Steel Castings Manufacturer

/ AEROSPACE HEAT TREAT NEWS, ATMOSPHERE AIR FURNACES NEWS, ENERGY HEAT TREAT, FEATURED NEWS, TITANIUM PROCESSING NEWS

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A front-loading box furnace delivered to a northeastern U.S. supplier of titanium castings will expand the manufacturer’s aerospace and gas turbine castings heat treat abilities. The company supplies to the aerospace and power generation fields and deals with exotic metals that are ideal for superior products using the lost wax process for castings, such as nickel and cobalt-based alloys.

L&L Special Furnace Co., Inc. Box Furnace
Source: L&L Special Furnace Co., Inc.

The L&L Special Furnace Co., Inc. model FB435 has an effective work area of 48” wide by 32” tall by 60” deep and has certifiable temperature uniformity of ±10°F from 500 to 1,850°F. Additionally, the elements are very evenly spaced around the chamber and the furnace is lined with ceramic fiber on the sides and top.

The furnace case is sealed internally for atmosphere control, and an inert blanketing gas such as nitrogen is used to displace oxygen present within the work chamber. This provides a surface finish in which oxidization is less likely to form on the part. The atmosphere is delivered automatically through a flow panel by the furnace control.

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Tool Steel Manufacturer Amps Up With 2 Box Furnaces

/ FEATURED NEWS, MANUFACTURING HEAT TREAT, STRESS RELIEVING NEWS, TEMPERING NEWS

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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Box Furnace Arrives for Valve Manufacturer in the U.S.

/ ATMOSPHERE AIR FURNACES NEWS, FEATURED NEWS, MANUFACTURING HEAT TREAT

HTD Size-PR LogoAn international valve manufacturer located in the southeastern U.S. has received a high-uniformity box furnace.

The L&L Special Furnace Co., Inc. model XLE 244 is a front-loading, refractory-lined box furnace and has an effective work zone of 22” wide by 22” high by 20” deep. There is a horizontal double-pivoted door with a safety power cutoff switch. A ceramic hearth and standoffs are provided as a workspace.

The control system is driven by a Honeywell program control with an overtemperature control to prevent the furnace from overfiring. A digital round single-input chart recorder keeps accurate recordings of the furnace process temperature. The Kanthal Iron Aluminum Chrome coiled elements located on the sides, back, and door are controlled in two zones for balancing of temperature gradients from top to bottom.

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Heat Treating Furnace Dispatched to Military Contractor

/ ATMOSPHERE AIR FURNACES NEWS, FEATURED NEWS, MANUFACTURING HEAT TREAT

HTD Size-PR LogoA large gas-fired normalizing furnace has been sent to a global manufacturer of pipe, tube, and fittings used for various military contracts. Supply chain issues prevented the manufacturer from receiving the furnace on the original delivery date in Q4 2021.

This L&L Special Furnace Co., Inc. car-bottom-style gas-fired normalizing furnace is rated to operate at temperatures from 1,300°F/704°C to 2,200°F/1204°C and heated with six medium-velocity burners. The furnace will be able to maintain uniformity of ±25°F/12.5°C at temperatures above 1,300°F/704°C.

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Soil Lab Workshop Receives Heat Treat Furnace as Part of 2021 Chicago Architecture Biennial

/ ATMOSPHERE AIR FURNACES NEWS, FEATURED NEWS, MANUFACTURING HEAT TREAT

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L&L Special Furnaces Co., Inc.

A high-uniformity box furnace has been delivered to Soil Lab, a community-based workshop based in Chicago, as part of the 2021 Chicago Architecture Biennial. The furnace received a fast-track shipment of four weeks to be part of the biennial workshop program in which local community groups will experiment and gain knowledge of ceramic production and various processes.

The L&L Special Furnace Co., Inc. Model XLE 3636 is a front-loading, refractory-lined box furnace and has an effective work zone of 34” wide by 34" high by 32" deep. There is a horizontal double pivot door with a safety power cutoff switch. A ceramic hearth and standoffs are provided as a workspace for various ceramics and ceramic-based products. Additionally, the furnace has a series of inlets on the side and an outlet on the top. These can be capped off when not in use to preserve heat, and can provide a "candling" effect where various ceramic byproducts can be removed from the furnace. Some of these byproducts can be corrosive and need to be removed from the system.

Pictured in the main image above: Soil Lab team photo, (L to R) Vester, Bruun, Martin, Ni Chathasaigh

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Silica and Quartz Product Manufacturer Receives Box Furnace

/ ATMOSPHERE AIR FURNACES NEWS, FEATURED NEWS, MANUFACTURING HEAT TREAT

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L&L Special Furnace Company ben-mounted box furnace

Worldwide manufacturer of high-purity fused silica and high-end ceramic products is set to receive another bench-mounted box furnace from North American furnace supplier. These materials are used in the semiconductor and photonics industry as well as many other ceramic and composite industries worldwide.

The L&L Special Furnace Co. furnaces are part of the research and development department and are an important component of the testing and quality control department. The Model GS1714 has internal dimensions of 17” wide by 12” high by 14-1/2” deep and the operating voltage of 208, 220, 240 volts single phase, 60 or 50 hertz. It is also equipped for adjustable PID logic and finer temperature control around setpoint.

The furnace is constructed from 3” lightweight IFB firebrick, backed up with 2” of board insulation. The elements are oriented in the furnace to have long life and easy replacement as well as deliver consistent heat distribution with a uniformity gradient of ±7.5°F.

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Aerospace Manufacturer to Receive Box Furnace

/ AEROSPACE HEAT TREAT, ATMOSPHERE AIR FURNACES NEWS, FEATURED NEWS

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Model FB666 for Aerospace Components
Source: L&L Special Furnace Co.

A major aerospace manufacturer will receive a large, fiber-lined box furnace at their new facility located in the southeastern United States. The facility will be opening soon and will be a central part of a new heat-treating center for aerospace and military components.

The Model FB666 is a front-loading box furnace built by L&L Special Furnace Co. with a pneumatic vertical door. Its working dimensions are 60” x 60” x 60”. There are a series of cast-able piers and an alloy grid that supply a stable work platform for various part sizes and configurations.

The furnace has a high-convection, air-cooled fan for air circulation and uniformity at low temperatures. There is also a venturi cooling system to aid in the cooling of the furnace interior along with an external modulating case cooling blower that provides fresh air intake to keep the furnace case temperature low during operation.

The furnace was designed, built, assembled and tested at L&L’s manufacturing facility located just south of Philadelphia.

(photo source: Clay Banks at unsplash.com)

(photo source: Terence Burke at unsplash.com)

 

 

 

 

 

 

 

 

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Aerospace Fastener Manufacturer Receives Three Multipurpose Box Furnaces

/ AEROSPACE HEAT TREAT, ATMOSPHERE AIR FURNACES NEWS, FEATURED NEWS

An aerospace fastener manufacturer, located in Pennsylvania, received three multipurpose bench mounted box furnaces used to test high-temperature aerospace fasteners. 

The new model GS2026, from L&L Special Furnace Co., Inc. includes a spring assist vertical lift door that allows for effortless loading and unloading even at high temperatures. The control is an industrial control system that includes a Eurotherm temperature control, overtemperature protection and a recirculation fan for uniformity.

L&L Special Furnace Model GS2026 bench mounted box furnace
(Photo source: L&L Special Furnace Co. Inc.)

The GS2026 has internal dimensions of 18” wide by 12” high by 24” deep. It has an operating voltage of 208, 220, 240 volts single phase, 60 or 50 hertz. The furnace is constructed from 3” lightweight IFB firebrick, backed up with 2” of board insulation. The elements are supported in hard ceramic element holders. These provide long element life and are easily replaced.

These additions now bring a total of five GS series furnaces at its facility.

(Photo source: spacex at unsplash.com)

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15 Quick Heat Treat News Chatter Items to Keep You Current

/ FEATURED NEWS, HEAT TREAT NEWS INDUSTRIES

Heat Treat Today offers News Chatter, a feature highlighting representative moves, transactions, and kudos from around the industry.

Personnel & Company Chatter

    • Mike Smith has joined Magnetic Specialties, Inc. as their new Business Development Manager.
    • Ipsen USA has announced the completion of its 2019 Corporate Academy class, which is part of an initiative to grow service capacity globally. Seven graduates will step into positions as field service engineers after several months of training and passing their final exam.
    • Tom Gundic recently joined Solar Atmospheres’ facility in Greenville, South Carolina, as their new plant manager.
    • Isostatic Toll Services Bilbao is pleased to announce the official opening of its new plant in Abanto-Zierbena, Spain, on January 29th.

Heating Furnace at Uddeholm AB, which is taking part in the electrical heating project

  • The Swedish Energy Agency has granted a new project that will explore the possibilities of electrifying heating processes. It will evaluate the potential of replacing gas-fired furnaces with electrically heated furnaces for material heating. Kanthal, part of the Sandvik Group, is taking part in the project.
  • Sean Toland has taken on the position of executive Vice President of Operations for Wire Experts Group, the parent company to Pelican Wire and Rubadue Wire, the second of which Toland is already serving as president.
  • NSA Industries, a provider of metal fabrication, machining, powder coating, and assembly operation, has acquired Vitex Extrusion, a provider of aluminum extrusions, machining, and fabrication services for solar and automobile customers.
  • Jon K. Tabor is retiring from the position of Chairman Emeritus of Allied Mineral Products effective March 31, 2020. He will remain on Allied’s Board of Directors.
  • Vincent Esteve has been promoted to Business Development Manager at the ECM USA, Inc. subsidiary in Pleasant Prairie, Wisconsin.

Equipment Chatter

  • Wisconsin Oven has shipped a Natural Gas (Direct) Fired Continuous Duty Conveyor Oven to an American manufacturer to be used for stress relieving steel snap rings used in automotive parts.
  • L&L Special Furnace Co, Inc. has shipped five model GS1714 furnaces to a worldwide leading manufacturer of chemicals and chemical coating products located in the Midwestern US.
  • Tenova LOI Thermprocess recently received an order from Joint Stock Company Pervouralsk Pipe Plant in Russia for a new roller hearth continuous furnace system for bright annealing stainless steel pipes in a 100% H2 atmosphere.
  • Lindberg/MPH announced the shipment of two Electrically Heated Nitrogen Atmosphere Pit Furnaces to the automotive industry for the purpose of heat treating automotive parts.

Kudos Chatter

  • Kittyhawk Products OR LLC has been awarded Nadcap® accreditation for Heat Treating/Hot Isostatic Pressing (HIP). Kittyhawk Inc has held Nadcap® accreditation since 2014.

    From Left to Right: Quality manager, AM/NS Calvert, Bobbie Hesley; GM supplier quality engineer, Mark Wu; AM/NS Calvert CEO, Jorge Oliveira and team members from the AM/NS hot dip galvanizing lines.
  • ArcelorMittal USA was recently honored with the General Motors Supplier Quality Excellence Award for three production facilities: AM/NS Calvert, Calvert, AL; Indiana Harbor; and I/N Tek and I/N Kote, New Carlisle, IN.

 

 

 

 

 

Heat Treat Today is pleased to join in the announcements of growth and achievement throughout the industry by highlighting them here on our News Chatter page. Please send any information you feel may be of interest to manufacturers with in-house heat treat departments especially in the aerospace, automotive, medical, and energy sectors to editor@heattreattoday.com

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CMC: What are They? Why are They Important?

/ AEROSPACE HEAT TREAT, AEROSPACE HEAT TREAT NEWS, FEATURED NEWS, INSULATION TECHNICAL CONTENT

 

 

Source: L&L Special Furnace Co., Inc

 

CMC stands for Ceramic Matrix Composite, and these materials are considered a subgroup of both ceramics and composite materials. CMC components are used in the energy and power, defense, aerospace, electrical, and electronics industries. In this Best of the Web Technical Tuesday feature, L&L Special Furnace Co., Inc. delves into the composition, applications, fabricating process, and uniqueness of CMCs.

An excerpt:

“CMCs are able to retain a relatively high mechanical strength even at very elevated temperatures. They offer excellent stiffness and very good stability, both mechanical, thermal, dimensional, and chemical.”

 

To explore more about ceramic matrix composites, read more: “What Are Ceramic Matrix Composites?”

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