Additive manufacturing is spreading quickly all over the globe, but nowhere as much as where it all started, the United States. From 1987 when stereolithography was first introduced by Chuck Hull to the advent of the first metal AM technologies in the 1990, AM has only continued to grow over the years in the USA, a country which consistently tops the lists for largest installed base of 3D printers in the world. However, it can be difficult to know exactly how many companies are actually making 3D printers in the region. In this latest series, 3Dnatives will be taking a look at the AM manufacturers located in the US to give our readers a better idea of the sector. For the first article, we will be focusing on American metal 3D printer manufacturers, listing them in alphabetical order. Stay tuned for the next in the series, part I of polymer 3D printer manufacturers in the country.
3D Systems, the Original 3D Printer Manufacturer
3D Systems was one of, if not the, first 3D printer manufacturers in the world and as you can imagine they also have metal AM solutions. Currently, the company offers the DMP Factory 500 Solution, DMP Flex 350 and DMP Flex 350 Dual, DMP Flex 200 and the entry-level metal printer, DMP Flex 100 all of which use Direct Metal Laser Sintering (DMLS). Though one of the major differences between the printers is of course size, the largest has a build volume of 500 x 500 x 500 mm while the smallest’s is just 100 x 100 x90mm, features also differ between the machines. Notably, in the factory systems, 3D systems offers integrated powder management, high throughput and high repeatability and a consistent low O2 environment for better quality parts. All of the machines uses 3D Systems’ own 3DXpert software which is an all-in-one system that streamlines workflow from design to printing.
Photo Credits: 3D Systems
Desktop Metal
If you have been in the additive manufacturing world for a while, you have almost certainly heard of Desktop Metal. Founded in 2015 with the mission to make metal 3D printing more accessible, the company quickly rose from a start-up to one of the leading companies in the industry, even if in recent years they have faced some struggled. Currently, the manufacturer offers both metal extrusion and binder jetting solutions. The company also works with other materials. For example, its acquisition of EnvisionTEC, the original inventor of DLP 3D printing, which has allowed it to move into the polymer market. DM also made waves when it announced its acquisition of its competitor, ExOne, strengthening its position in the binder jetting market, especially for sand.
The Shop System from Desktop Metal is one of the company’s binder jetting solutions (photo credits: Desktop Metal)
FormAlloy, California-Based DED 3D printers
The next American metal 3D printer manufacturer on our list is California-based FormAlloy which specializes in Directed Energy Deposition (DED) printers. The company has two distinct series of DED printers, the X & L Series. Both feature closed-loop control, variable wavelength lasers and FormAlloy PF and ADF powder feeders for gradient or bi-metallic structures. Each machine also has the FormAlloy AX metal deposition head which enables build volumes with up to 5-axes of motion and has proven high powder efficiency and built in quick-release features. In terms of build volume, various sizes are available including 200x200x200mm, 500x500x500mm, 1x1x1m and custom sizes.
The L-2 (left) and X5 (right) 3D printers (photo credits: FormAlloy)
HP, a Maintstay in American Manufacturing
This next manufacturer is a little different because it is not technically yet available. The manufacturer, HP is most well-known for their patented Multi-Jet Fusion technology, but currently they also have a metal process in the works, HP Metal Jet. Already it is possible to order metal parts from HP and the company claims that their binder jetting process allows users to be up to 50x more productive, producing high volume of parts and large parts thanks to a build size of 430 x 320 x 200 mm (16.9 x 12.6 x 7.9 in) And as is common when speaking about metal binder jetting, it is lower cost while still maintaining high precision. HP announced late last year that the printer will be commercially available in 2022 and it is possible to reserve one already on HP’s website.
Markforged, Metal and Composite 3D Printers
Founded in 2013, Markforged is probably best known for their composite 3D printers, including continuous fiber. But the company also has a metal additive manufacturing solution, the aptly-named Metal X System. The Metal X is a Metal FFF system which uses bound powder filament, compatible materials include 17-4 PH Stainless Steel, Copper, H13 Tool Steel, Inconel 625 and A2 and D2 tool Steel. The choice of using extrusion is no surprise either, the manufacturer prides itself for safe to use, accessible machines and using FFF rather than other metal technologies can severely reduce costs. The Metal X has a build volume of 300 x 220 x 180 mm (11.8 x 8.7 x 7.1 in) and features a closed, heated chamber and a heated, vacuum-sealed print bed with auto-leveling for better conditions for metal materials. Additionally, there are two nozzles allowing for a metal material and a release material.
Photo Credits: Markforged
Optomec, a New Mexican Solutions Provider
Another American metal 3D printer manufacturer is New Mexico-based Optomec. Originally founded in 1997, the company has released products in markets as vast as electronics, energy, life sciences, aerospace and defense and more. Nowadays, they claim that their AM solutions enable high-volume additive manufacturing thanks to their solutions. Optomec’s metal printers’ uses LENS Directed Energy Deposition (DED), a process that uses a high power laser (400W to 3kW) to fuse powdered metals into fully dense parts. According to the company, this process taken place in a hermetically-sealed chamber which is purged with argon so that the oxygen and moisture levels stay below 10 parts per million, prevening oxidation. Precision, speed and less environmental impact are some of the major benefits of the technology and Optomec notes that it is possible to print 10x faster and 5x cheaper using LENS. Currently, a number of metal AM solutions of different sizes are available, the CS 250, CS 600, CS 800, CS 1500, MTS 500, MTS 860 and LPE.
Photo Credits: Optomec
Sciaky, One of the Oldest Metal 3D Printer Manufacturers
Have you already heard of Sciaky? This Chicago-based company is one of the oldest on our list as they were founded in 1939 as a provider of advanced welding systems. In fact, they are so well-established, they were a key supplier of resistance welding systems used to make warplanes for the U.S. military during World War II. And since 2009, they have also offered metal additive manufacturing solutions. Namely, their originally named Electron Beam Direct Manufacturing process was launched in 2009 before becoming the currently named Electron Beam Additive Manufacturing. The company has worked with some of the leaders in defense and aerospace thanks to their metal parts and solutions including the Department of Defense, Lockheed Martin, Defense Advanced Research Projects Agency, Airbus and more.
The company notes that their Electron Beam Additive Manufacturing (EBAM) is a one-of-a-kind metal 3D printing which allows users to produce high-quality, large-scale metal structures with very little material waste. The company offers 5 machines, the EBAM 300, EBAM 200, EBAM 140, EBAM 110 and EBAM 40. And at least with the EBAM 110 Industrial Metal 3D printer, users can create parts of up to 19′ in length faster and cheaper than many traditional metal processes. In terms of the technology used, EBAM is similar to DED in that an electron beam gun deposits metal via wire fedstock in successlayers in the system’s vacuum chamber. Sciaky claims that the process can reduce lead times and material costs by up to 80% and is the fastest metal 3D printing process in the world.
Velo3D, the American Metal 3D Printer Manufacturer Targeting Aerospace and Defense
When Benny Buller founded Velo3D, he sought to address what he saw as a fundamental flaw that was limiting the speed of AM adoption. That was that he noted that before being able to integrate the technology, engineers not only had to learn a new manufacturing process but also an entirely new design process, Design of Additive Manufacturing or more commonly DfAM. Buller decided to instead create a company that “enabled design to inform manufacturing not the other way around.” This was done by hardware (Sapphire®) and software on the front end and back end (Flow™ and Assure™), making it easier to adopt AM while still benefiting from its many advantages.
The American company has three metal 3D printers, Sapphire® Printer (for low volume and & development, 315mm Ø x 400mm z), Sapphire® 1Mz Printer (for large parts, 315mm Ø x 1000mm z) and Sapphire® XC Printer (for large volume and production scale parts, 600mm Ø x 550mm z). All of the printers are equipped with an end-to-end manufacturing solution to allow engineers to build even critical parts. All three machines use the same software, run the same process and use the same materials to ensure repeatable consistency. The printers use a metal powder bed fusion process with a non-contact recoater, per layer mapping and more to ensure powder bed uniformity. Part quality and performance certainly benefit the Intelligent Fusion underlying manufacturing process among other features. The printers have applications in a number of sectors including aerospace, oil & gas and defense, among others.
Photo Credits: Velo3D
Xact Metal
Based in State College, Pennsylvania and operating out of Penn State’s Innovation Park, Xact Metal is determined to offer the benefits of high-quality metal 3D printing at the best possible price. In fact, its even in their motto, “Don’t be held back by traditionally expensive technology.” Though their machines used the powder bed process which is not always known to be the most affordable metal 3D printing technology, the company is committed to combining the essentials of powder bed fusion with innovative new technology to decrease the price and make it accessible to more people. Indeed, on its website the company states, “We’re dedicated to supporting the next generation of innovative manufacturing solutions powered by metal 3D printing” showing their commitment to both metal and innovation. Currently, the manufacturer offers the XM200G Series, XM200C and XM300C. The printers have different applications with the XM200G series designed to meet high-performance use cases in manufacturing and research & development while the XM200C is suited for universities, labs and small-to-medium businesses and the XM300C is for applications that need prototyping, tooling capabilities, or low volume casting alternatives. All three use DMLS and are noted to be able to produce highly complex, high-quality parts.
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*Cover Photo Credits: ExOne
View Comments (1)
Open Additive could be added to this list.