Sławomir Tomaszewski Vacuum Melting Team Director SECO/WARWICK Source: LinkedIn
One of the world’s largest producers of jet engines has modernized their casting furnace, which was last updated two decades ago.
This company has two casting units supplied two decades ago by RETECH, a North America-based company belonging to the SECO/WARWICK Group. The modernization project was for the VIM EQ furnace - a system for the production of castings in equiaxed crystallization. It will involve replacing almost all the furnace components except the power supply, melting chambers and mold. The platforms will also remain unchanged. The remaining components will be replaced with more modern, ergonomic, and user-friendly parts and assemblies.
Says Sławomir Tomaszewski, vacuum melting team director at SECO/WARWICK, “This order includes the complete elimination of hydraulic components by replacing them with electrical components such as an elevator drive or crucible rotation drive. In addition, two old feeders: one for loading crucibles, the other for removing disposable crucibles, will be replaced with a modern system that can perform both activities."
He added, "An additional advantage of the operation will be the fact that the furnace operator will not have to come into physical contact with hot used crucibles, because they will be removed automatically without human intervention."
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Richard B. Conway
Founder/Director/ CTO
DELTA H® Technologies, LLC
Source: DELTA H
Three heat treat systems have recently been delivered and commissioned to joint base San Antonio-Randolph for maintaining the T-38 Talon Trainer aircraft.
These systems are a dual chamber model DCAHT®-181248-1200/500-MIL, a DCAHT®-241672-1200/500-MIL, and a large single chamber SCAHT®-303048-1200-MIL.
USAF depot level heat treating requires full compliance to AMS2750G. The heat treating systems provided by DELTA H were for replacing existing systems which were too troublesome or costly to try to qualify and were never designed for modern pyrometry standards. The furnace systems were placed into production service the week following qualifying and training.
JBSA-Randolph – SCAHT®-303048-1200-MIL & DCAHT®-241672-1200/500-MIL Includes Power Driven Quench Tank
Source: DELTA H
Richard Conway, director and CTO of DELTA H, states, "We are grateful and humbled to be recognized among the mission critical technology partners supporting this very important project, and pleased to play a part in extending the service life of the valuable T-38 airframe."
JBSA-Randolph, TX – DCAHT®-181248-1200/500-MIL Heat Treat Computer Work Station
Source: DELTA H
Third party compliance and initial qualifying certification of all 5 chambers were provided by Conrad Kacsik Instrument Systems of Solon, Ohio.
Jake Kacsik, president of Conrad Kacsik Instrument Systems, shares, “The results are always impressive when testing DELTA H furnaces. By far the most reliable and consistent systems for maintaining the strict standards of aerospace pyrometry. Richard and I not only have a career-long professional relationship, but also, we both served in the USAF.”
DELTA H is exclusively represented worldwide by PHILLIPS FEDERAL Division for all military and government sales.
JBSA-Randolph, TX – SCAHT®-303048-1200-MIL & DCAHT®-181248-1200/500-MIL
Source: DELTA H
John Murray, retired SMSgt of USAF and product manager of Phillips Corporation, Federal Division added, “DELTA H compliments our product offerings to Metals Tech facilities. Regardless of traditional machining or additive manufacturing, Phillips Corporation – Federal Division strives to meet the needs of the USAF Fabrication Flight Warfighter, providing the best solutions for their support of US power projection and strategic deterrence. Phillips Corporation – Federal Division stands beside USAF Fabrication Flights around the globe ready to cut, fabricate, manufacture, and metallurgically process any part-anytime-anywhere."
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Sometimes our editors find items that are not exactly “heat treat” but do deal with interesting developments in one of our key markets: aerospace, automotive, medical, energy, or general manufacturing.
To celebrate getting to the “fringe” of the weekend, Heat Treat Today presents today’sHeat Treat Fringe Friday: an exciting development in Additive Manufacturing with Airbus Helicopters using 3D printing.
Helmut Fárber Site Manager Airbus Helicopters in Donauwöth
Airbus Helicopters is to use 3D printing technology to produce components for its helicopter vehicles and the aircraft of parent company Airbus.
Airbus Helicopters will use TRUMPF‘s 3D printing technology to produce components for its electric-powered City Airbus experimental high-speed Racer helicopter, as well as the Airbus A350 and A320 passenger aircraft, with structural components made of titanium and high-strength aluminum believed to be the focus. The company is investing heavily in additive manufacturing technology because of its ability to reduce weight and, in turn, bring down fuel consumption and costs. It is said to be exploring the part consolidation of some systems, again to save weight, and values the capacity to reuse powder.
“With innovative manufacturing processes, we are working on the helicopters of the future in Donauwörth,” commented Helmut Fárber, site manager at Airbus Helicopters in Donauwöth. “Among other things, 3D printing helps reduce the weight of components.”
Said Richard Bannmueller, CEO of TRUMPF Laser and System Technology, “Additive manufacturing saves expensive raw material and can lower production costs in the aviation industry. 3D printers only use the material that designers actually need for their components and that ends up taking off in the aircraft.”
Airbus, like many other aerospace manufacturers, has had a keen interest in additive manufacturing technology for several years, with the company recently signing a 3.8 million EUR contract with Oerlikon for the additive manufacture of satellite antenna clusters.
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GKN Aerospace has expanded its capabilities with additive manufacturing (AM) machines, accelerating its industrialization of sustainable aero engine solutions. This new technology will offer more reliable and sustainable alternatives to traditional castings and forgings.
The supplier of these machines is Nikon SLM Solutions, whose NXG XII 600's printing area and 12 lasers align with GKN Aerospace's vision to produce large parts with high productivity. Two systems have been ordered, one to be used with In718 and another for Ti64.
In the words of Martin Thordén, VP of Permanova, the newly formed business unit for material solutions within GKN Aerospace, "Partnering with Nikon SLM Solutions is a key milestone in our journey to create better, more sustainable aerospace products. . . . This collaboration provides us access to cutting-edge additive manufacturing capabilities necessary to propel us towards our net zero ambition."
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Sometimes our editors find items that are not exactly "heat treat" but do deal with interesting developments in one of our key markets: aerospace, automotive, medical, energy, or general manufacturing.
To celebrate getting to the “fringe” of the weekend, Heat Treat Today presents today’s Heat Treat Fringe Friday: a negotiation established between major airline players to expand maintenance capabilities.
Anne Brachet
EVP
Air France-KLM Engineering & Maintenance
Source: LinkedIn
Airbus is negotiating establishment of a new joint venture with Air France SA to provide component maintenance services (maintenance, repair, overhaul, or MRO) for the global A350 fleet. Looking at a 2024 start, the long-term maintenance needs of A350 operators will be addressed.
The Airbus A350 is a twin-engine wide-body aircraft in service on long-range routes with more than three dozen carriers and leasing agencies. According to Airbus, there are more than 550 A350 jets currently in service and more than 1,000 on order.
“This project aims to bring customers the best expertise of our two companies on a product as high-tech as the A350,” stated Anne Brachet, EVP at Air France-KLM Engineering & Maintenance.
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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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The Korea Institute of Materials Science (KIMS), a government-funded research institute under the Ministry of Science and ICT, has invested in a new vacuum furnace from a manufacturer headquartered in North America.
Nikola Dzepina Nitrex Regional Manager – Asia Source: NITREX
KIMS conducts a wide range of technological R&D activities, including process improvements, application development, material enhancement, testing, and evaluation. The new Nitrex vacuum furnace will support domestic companies -- including Hanwha Aerospace, Doosan Enerbility, Sung-il Turbine, and Samjeong Turbine -- in a development project that aims to improve the cycle efficiency of industrial land-based gas turbines.
The furnace is a horizontal type 2-Bar external quench equipped with a curved molybdenum wide band heating element arranged in a circular configuration around the main hot zone. Its work area measures 15″ in width by 15″ in height by 24″ in length (381 x 381 x 610 mm).
“The Nitrex system can support a wider range of R&D projects and metals,” said Nikola Dzepina, regional manager in Asia at Nitrex. “With the ability to achieve higher vacuum levels with 10-6 Torr ultimate range, the furnace can heat treat parts at temperatures up to 1,371°C (2,500°F).”
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Sometimes our editors find items that are not exactly "heat treat" but do deal with interesting developments in one of our key markets: aerospace, automotive, medical, energy, or general manufacturing. To celebrate getting to the “fringe” of the weekend, Heat TreatToday presents today’s Heat Treat Fringe Friday press release: a look at the future of heat treating and 3D printing in aerospace engines and energy turbines.
Find out more about the possibilities of bringing additive manufacturing and heat treating turbine and engine components; and read on to see what's happening at MIT.
A new MIT-developed heat treatment transforms the microscopic structure of 3D-printed metals, making the materials stronger and more resilient in extreme thermal environments. The technique could make it possible to 3D print high-performance blades and vanes for power-generating gas turbines and jet engines, which would enable new designs with improved fuel consumption and energy efficiency.
There is growing interest in manufacturing turbine blades through 3D-printing, but efforts to 3D-print turbine blades have yet to clear a big hurdle: creep. While researchers have explored printing turbine blades, they have found that the printing process produces fine grains on the order of tens to hundreds of microns in size — a microstructure that is especially vulnerable to creep.
Zachary Cordero
Boeing Career Development Professor in Aeronautics and Astronautics
MIT
Zachary Cordero and his colleagues found a way to improve the structure of 3D-printed alloys by adding an additional heat-treating step, which transforms the as-printed material’s fine grains into much larger “columnar” grains. The team’s new method is a form of directional recrystallization — a heat treatment that passes a material through a hot zone at a precisely controlled speed to meld a material’s many microscopic grains into larger, sturdier, and more uniform crystals.
“In the near future, we envision gas turbine manufacturers will print their blades and vanes at large-scale additive manufacturing plants, then post-process them using our heat treatment,” Cordero says. “3D-printing will enable new cooling architectures that can improve the thermal efficiency of a turbine, so that it produces the same amount of power while burning less fuel and ultimately emits less carbon dioxide.”
Materials Science student
Oxford University
MIT
“We’ve completely transformed the structure,” says lead author Dominic Peachey. “We show we can increase the grain size by orders of magnitude, to massive columnar grains, which theoretically should lead to dramatic improvements in creep properties.”
Cordero plans to test the heat treatment on 3D-printed geometries that more closely resemble turbine blades. The team is also exploring ways to speed up the draw rate, as well as test a heat-treated structure’s resistance to creep. Then, they envision that the heat treatment could enable the practical application of 3D-printing to produce industrial-grade turbine blades, with more complex shapes and patterns.
“New blade and vane geometries will enable more energy-efficient land-based gas turbines, as well as, eventually, aeroengines,” Cordero notes. “This could from a baseline perspective lead to lower carbon dioxide emissions, just through improved efficiency of these devices.”
Cordero’s co-authors on the study are lead author Dominic Peachey, Christopher Carter, and Andres Garcia-Jimenez at MIT, Anugrahaprada Mukundan and Marie-Agathe Charpagne of the University of Illinois at Urbana-Champaign, and Donovan Leonard of Oak Ridge National Laboratory.
This research was supported, in part, by the U.S. Office of Naval Research.
Watch this video from Thomas to see a visual of some of the heat treating advances.
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Trevor Jones President Solar Manufacturing, Inc. Source: Solar Manufacturing, Inc.
A vacuum furnace manufacturer in North America has acquired purchase orders for ten vacuum furnaces this 3rd quarter. The furnaces will be shipped to companies in the following market sectors: aerospace, commercial heat treating, and additive manufacturing.
Solar Manufacturing Inc. is based out of Pennsylvania, and the new systems will be sent to locations throughout North America. The various types of new furnace orders ranged in size from the compact Mentor® and Mentor® Pro series to a large production furnace with a work zone of up to 72” in length.
“[S]trong quotation activity levels seem to indicate customers are optimistic to expand after the pandemic ramifications continue to ease," commented Trevor Jones, President of Solar Manufacturing.
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A heat treat furnace has been delivered to a Midwest manufacturer of ceramic matrix parts. This system will be used for aerospace and military purposes.
Atmosphere-Controlled Retort-Burn Off Furnace Source: L&L Special Furnace Company, Inc.
Ceramic matrix parts materialize when nanofibers of silicon carbide or other ceramic nano threads are wound together, forming various sheets and 3D-printed shapes. The nano threads in the process are coated with proprietary resins that must be completely removed from the substructure using heat. The resulting finished product is lighter and stronger than titanium.
L&L Special Furnace Company, Inc.'s Model XLC3672 has a work zone of 32” wide by 32” high by 66” deep. It has a single zone of control with a temperature gradient of ±20°F at 1,100°F using four zones of temperature control with biasing to balance any temperature gradients. The Model XLC3672 is controlled by a Eurotherm Nanodac Mini 8 program mechanism with overtemperature protection.
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