MANUFACTURING HEAT TREAT NEWS

Stainless Steel Can Be Heat -Treated to 50 – 53 HRC

International Mold Steel will introduce S-Star-A, a 420 stainless steel in the annealed condition that can be heat-treated to hardness of 50-53 HRC and will be stocked in plate form to 6″ thick. S-Star-PH is a prehardened (30/34 HRC) 420 stainless steel that can also be heated to 50-53 HRC and will be stocked in round bar ranging to 4″ in diameter.

The company also recently added new processing capabilities, including a large plate saw that can cut to 24″ thickness, side milling to 31.5” square and gun drilling to 1 3/4″ in diameter by 84″ long.

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Integrated Heat Treating Used in Making Steinway Pianos

BOTW-50w  Source:  Modern Machine Shop

“The company wanted to develop a more streamlined machining method, including integrating a heat-treat process that was currently being performed on secondary equipment. If this could be achieved, it hoped to bring this machining process back to the United States to its foundry location in Springfield, Ohio. This will reduce shipping costs, streamline production, and speed delivery to customers throughout North America.”

Read More:  How Steinway Machines Its Pianos by Russ Willcutt

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Proper Heat Treating Integral to Producing Quality Stainless Steel Parts

BOTW-50w  Source:  Modern Machine Shop

“DON’T forget that an attack can occur in a passivating bath if parts are improperly heat treated. High-carbon, high-chromium martensitic grades must be hardened to become corrosion-resistant.”

Read More: How to Passivate Stainless Steel Parts by Terry A. DeBold and James W. Martin

 

 

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Direct-Chill Casting

BOTW-50w  Source:  Total Materia

Direct-chill (DC) casting is currently the most common semi-continuous casting practice in non-ferrous metallurgy. The process is characterized by molten metal being fed through a bottomless water cooled mould where it is sufficiently solidified around the outer surface that it takes the shape of the mould and acquires sufficient mechanical strength to contain the molten core at the centre. As the ingot emerges from the mould, water impinges directly from the mould to the ingot surface (direct chill), falls over the cast surface and completes the solidification.

Read More:  Direct-Chill Casting

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Making Metal Wires – No Heating Required

BOTW-50w  Source:  Materials Today

“A team of engineers from North Carolina State University looked to eutectic gallium indium (EGaIn) – a metal with a melting point of ∼15.5 °C – to produce thin wires at room temperature. Conventional electrical wires are fabricated by using large forces to repeatedly pull and elongate a metal rod that had been produced at high temperatures. The approach taken by Prof. Michael Dickey and his team is rather different.”

Read More:  Making Metal Wires – No Heating Required

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New Boride Material Forms Own Protective Coating

BOTW-50w  Source:  Materials Today

“This resistance to oxidation is possible because of the presence of aluminum in layers between molybdenum and boron layers,” Barsoum said. “When heated to high temperatures in air the aluminum atoms selectively diffuse to the surface and react with oxygen – forming a surface aluminum oxide, or alumina, protective layer that slows down further oxidation considerably. So the material forms its own protective coating.”

Read More:  New Boride Material Forms Own Protective Coating

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The FINEX Process

BOTW-50w  Source:  Total Materia

Molten Iron is produced directly using iron ore fines and non-coking coal rather than processing through a sinter plant and coke ovens as traditional blast furnace route. In the Finex process, iron ore fines are charged into a series of fluidized-bed reactors. The fines pass in a downward direction where they are heated and reduced to direct-reduced iron (DRI) by means of a reduction gas – derived from the gasification of the coal – that flows in the counter – current direction to the ore. The DRI fines are then hot-compacted to hot-compacted iron, transferred to a charging bin positioned above a melter gasifier where smelting take place. The tapped product, liquid hot metal, is equivalent in quality to the hot metal produced in a blast furnace ore Corex plant.

Read More:  The Finex Process

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Analysis of Heat Treat on Carburized Ring Gear and Multivariate Regression Model Development

BOTW-50w  Source:  Thermal Processing for Gear Solutions

Like most other heat treatments, the carburizing and hardening process is known to introduce dimensional changes and gear distortion [4]. If these size and shape changes can be anticipated and controlled, it is possible to eliminate post–heat treatment machining by designing ring gears that would allow for the heat treat change. Such gear manufacturing would significantly reduce cost and machining-to-assembly time, both of which are critical in a commercial environment and large-scale production.

Read More:  Analysis of Heat Treat Growth on Carburized Ring Gear and Multivariate Regression Model Development

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Vermont Precision Tools Selects Lucifer Furnaces

Vermont Custom Gage LLC. a subsidiary of Vermont Precision Tools Inc., Swanton VT, selected Lucifer Furnaces to create manufacturing capability with the addition of an air recirculating oven, a salt bath pot furnace and a quench tank. The new equipment will be used in the production of small steel component parts of their measuring (gage) equipment. The oven, a 4000 series, model 48-R36 with working dimensions of 24”Hx24”Wx36”L, heats to 800°F and will be used for Tempering. Insulated with 6.5” multi-layered lightweight firebrick and block insulation with a roof lined with ceramic fiber modules, the oven features a stainless steel liner which isolates the workload from the heating elements and directs airflow in a horizontal pattern. A high CFM fan assembly mounted through the oven rear wall circulates air over heating elements and back through the work chamber. The horizontal swing door is mounted with heavy duty hinges, 6” of insulation and two cam latches for a secure seal. After pre-heating, parts will be loaded into the salt pot furnace, model 2055-1624 and then oil quenched in a Lucifer Quench Tank, QT-2020, complete with air mixer, heater and soak timer. Next, the tools will be loaded into the 4000 series, model 48-R36 oven to be held at a constant temperature over a period of time to stabilize the structure of the steel. Vermont Precision Tools dba Vermont Gage manufactures a wide range of fixed limit gages including both threaded and cylindrical. Vermont Gage manufactures high quality gages with tolerances ranging from .00020” – .00002”.  Vermont Precision Tools Inc. chose Lucifer Furnaces for the equipment based on its robustness and value.

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UPS Launching On-Demand 3D Printing Manufacturing Network

UPS will launch a distributed, on-demand manufacturing network that links its global logistics network with 3D printers at The UPS Store in more than 60 locations around the U.S. and Fast Radius’ On Demand Production Platform and 3D printing factory in Louisville, Kentucky. The integration into one additive manufacturing and logistics solution this summer will make 3D printing accessible to more potential users, enabling them to realize the convenience and cost-savings this technology offers.

Further strengthening UPS’s distributed, on-demand manufacturing offering, SAP today announced an agreement with UPS to create an end-to-end industrial solution. SAP’s extended supply chain solutions will be integrated with UPS’s on-demand manufacturing solution and global logistics network to simplify the industrial manufacturing process from digitization, certification, order-to-manufacturing and delivery.SAP made its announcement at the SAPPHIRE NOW conference.

“UPS is a leader in bringing industrial-strength 3D printing to reality. By building this disruptive technology into our supply chain models, we also bring new value to our manufacturing customers of all sizes,” said Stan Deans, president, UPS Global Distribution & Logistics. “Additive manufacturing technology is still developing rapidly so ‘manufacturing as a service’ is a smart approach for many companies.”

Customers will visit the Fast Radius website (formerly CloudDDM) to place their 3D printing orders, which will be directed to the optimal manufacturing or The UPS Store location based on speed, geography, and the product quality the customer requires. Orders can be shipped as early as same day. While participating The UPS Store locations are all in the U.S., companies globally could utilize the network and place orders.

By integrating SAP’s extended supply chain software with the UPS additive manufacturing solution and logistics network, manufacturing companies of all sizes will be able to access on-demand industrial manufacturing with the touch of a button. SAP customers will be able to digitize and simplify the production part approval process through SAP and their orders can be seamlessly routed to UPS for production and delivery.

The on-demand network created will benefit customers of all sizes:

  • Manufacturers wanting to reduce inventory for slow-moving parts
  • Manufacturers with short production runs where the cost to create the mold or tooling could make these orders too expensive for traditional manufacturing
  • Manufacturers and retailers of custom/semi-custom goods as additive manufacturing allows cost-effective customization of goods
  • Industrial designers and engineers who want high quality rapid prototypes delivered as fast as one day
  • Entrepreneurs, start-ups and manufacturers who don’t currently have access to 3D printers or have limited capital and time and will use 3D printing for rapid prototyping and manufacturing of initial production runs

“Fast Radius plans to continue enhancing its production platform and to globally expand its manufacturing capabilities in 3D printing (plastics and metals), CNC machining and rapid injection molding,”said Rick Smith, co-founder and CEO of Fast Radius.  “With this distributed, on-demand manufacturing network, UPS customers will be able to get their products to market faster and more cost-effectively because parts can be produced exactly in the quantity they need and when they need them. The potential of on-demand manufacturing is here today.”

The UPS Store was the the first nationwide retailer to offer 3D printing services in-store. “Connecting all The UPS Store locations into a larger network provides more opportunity for new customers to access our printers and gives customers added flexibility to match their requirements with the appropriate UPS location,” said Daniel Remba, Small Business Technology Leader for The UPS Store, Inc.

For more information about 3D printing at UPS, please visit www.ups.com/3Dprinting.  UPS is a minority investor in Fast Radius through the UPS Strategic Enterprise Fund (SEF).  The UPS SEF is a corporate venture capital group that focuses on developing critical partnerships and acquiring knowledge returns from its investments in information technology companies and emerging market-spaces.

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