Stratasys Reveals Latest Multi-Materials 3D Printers
Engineering Materials 9/18/2014 1 comment At IMTS last week, Stratasys introduced two new multi-materials PolyJet 3D printers, plus a new UV-resistant material for its FDM production 3D printers. They can be used in making jigs and fixtures, as well as prototypes and small runs of production parts.
GE Aviation Steps Up 3D-Printed Engine Parts
Engineering Materials 9/16/2014 5 comments GE Aviation not only plans to use 3D printing to mass-produce metal parts for its LEAP jet engine, but it's also developing a separate technology for 3D-printing metal parts used in its other engines.
20 Top Employers for Engineers
Blog 9/15/2014 10 comments We searched far and wide for the top employers for engineers. These companies were ranked by engineering professionals, engineering students, and engineering instructors and professors. Does your employer make the grade?
How to Harpoon a Comet
Guest Blogs 9/12/2014 9 comments In November, a European space probe will try to land on the surface of a comet moving at about 84,000 mph and rotating with a period of 12.7 hours. Many factors make positioning the probe for the landing an engineering challenge.
NinjaFlex 3D Printing Filament Gets Colorful
Product News 9/12/2014 11 comments NinjaFlex flexible 3D printing filament made from thermoplastic elastomers is available in a growing assortment of colors, most recently gold and silver. It's flexible and harder than you'd expect: around 85A (Shore A).
GE Redesigns Carbon Composite Blades for GE9X Engine
News 9/11/2014 4 comments Carbon fiber composites aren't a new thing in jet engine fan blades. Every so often, though, they have to be redesigned to take advantage of advances in carbon composite technology. This year, GE Aviation is designing new blades for the upcoming GE9X engine that will be thinner, lighter, and at least as strong as the composite blades on its existing engines.
NASA Invents Multi-Metals 3D Printing
Engineering Materials 9/3/2014 20 comments NASA's JPL and Caltech have achieved the mind-boggling feat of 3D printing multiple metals in a single end-part, grading from one alloy to another. They've also developed a method for combining metals with carbon fiber composites in end-production parts.
Video: Autonomous Military Robots Complete Mission
Engineering Materials 9/2/2014 3 comments More and more robots are becoming more autonomous all the time. Now Lockheed Martin has completed a demo mission with two completely autonomous robotic vehicles performing resupply, reconnaissance, surveillance, and target acquisition.
ASTM Proposes New Standards for Metal 3D Printing
Engineering Materials 8/29/2014 6 comments Producing high-quality end-production metal parts with additive manufacturing for applications like aerospace and medical requires very tightly controlled processes and materials. New standards and guidelines for machines and processes, materials, and printed parts are underway from bodies such as ASTM International.
Video: 1,000 Swarming Robots Self-Assemble
Engineering Materials 8/28/2014 13 comments The biggest robot swarm to date is made of 1,000 Kilobots, which can follow simple rules to autonomously assemble into predetermined shapes. Hardware and software are open-source.
Update: Converting Plastics to Energy Could Boost US Reserves
Engineering Materials 8/27/2014 23 comments Although plastics make up only about 11% of all US municipal solid waste, many are actually more energy-dense than coal. Converting these non-recycled plastics into energy with existing technologies could reduce US coal consumption, as well as boost domestic energy reserves, says a new study.
Report: Metamaterials Will Partly Depend on Additive Manufacturing
Engineering Materials 8/20/2014 8 comments Artificially created metamaterials are already appearing in niche applications like electronics, communications, and defense, says a new report from Lux Research. How quickly they become mainstream depends on cost-effective manufacturing methods, which will include additive manufacturing.
SpaceX Reveals 3D-Printed Rocket Engine Parts
Engineering Materials 8/19/2014 9 comments SpaceX has 3D printed and successfully hot-fired a SuperDraco engine chamber made of Inconel, a high-performance superalloy, using direct metal laser sintering (DMLS). The company's first 3D-printed rocket engine part, a main oxidizer valve body for the Falcon 9 rocket, launched in January and is now qualified on all Falcon 9 flights.
How to Machine Aerospace-Grade Composites
News 8/18/2014 21 comments UK researchers have come up with a method for machining aerospace-grade, carbon fiber-reinforced composites, along with high-strength aerospace alloys, using an ultrasonically assisted machining device. It also works on high-strength aerospace alloys.
Can Plastic Bearings Outperform Metal Ones?
Blog 8/6/2014 7 comments Plastic bearings are replacing metal in some pretty tough jobs. Sometimes they're equally effective and reliable, and sometimes they actually outperform those parts. We'll tell you all about how this is possible in an upcoming Design News Focus on Fundamentals course.
Update: Intelligent Composites for Structural Monitoring
Engineering Materials 8/5/2014 5 comments Smart composites that let the material's structural health be monitored automatically and continuously are getting closer to reality. R&D partners in an EU-sponsored project have demonstrated what they say is the first complete, miniaturized, fiber-optic sensor system entirely embedded inside a fiber-reinforced composite.
Video: Sciaky to Sell Its Huge Metals 3D Printers
News 7/31/2014 6 comments Sciaky, provider of electron-beam additive manufacturing (EBAM) services, will start selling these machines commercially in September. The company has used its EBAM 3D printing technology for making very large, high-value, metal prototypes and production parts for aerospace and defense OEMs.
3D-Printed Rocket Engine Fires Up
Engineering Materials 7/14/2014 19 comments Aerojet Rocketdyne has built and successfully hot-fire tested an entire 3D-printed rocket engine. In other news, NASA's 3D-printed rocket engine injectors survived tests generating a record 20,000 pounds of thrust. Some performed equally well or better than welded parts.
Video: Wear Your Own Pair of Robot Arms
Engineering Materials 7/10/2014 53 comments Researchers at MIT's d'Arbeloff Laboratory are developing shoulder- and hip-mounted robotic arms to help workers in aircraft manufacturing perform difficult or complex assembly tasks that would normally require two people.
Video: Power Line Perching UAV Doubles Down on Drone Delivery
Blog 7/8/2014 21 comments Last December Amazon.com unveiled a plan for a delivery system of drones that can deliver packages to people living within 10 miles of a distribution center. One of the reasons for that mileage limit is that the unmanned aerial vehicles the company plans to use only have enough battery life to cover that distance without recharging. MIT is out to change that.
10 Engineering-Friendly Foods
Blog 7/3/2014 38 comments Normally it’s chefs who find inspiration in food. But a number of clever engineers and inventors are doing the same these days, developing new materials, biofuels, ways to harvest energy, and other inventions by using common foods and food waste to create the foundation or impetus for their designs.
3D-Printed Steel Building Structures
Engineering Materials 7/2/2014 22 comments Structural engineers have developed a design method for 3D printing structural steel elements to be used in construction projects. Complex, individually designed pieces can be created far more efficiently, and costs and waste will be reduced.
15 Engineering Disciplines by Salary & Job Prospects
Blog 6/30/2014 33 comments Here’s a snapshot of the salaries and job prospects for engineering careers by discipline. These numbers from the Bureau of Labor Statistics show that some professions such as biomedical engineering will see growth as high as 62% through 2020. Other disciplines do not look as promising.
Consumer-Grade 3D-Printable Metal Casting Resin
Engineering Materials 6/26/2014 12 comments MadeSolid is offering a 3D-printable casting resin for making small metal parts for things like jewelry. It costs a lot less than previous alternatives and can be used with multiple consumer-grade printers -- an industry first.
SABIC & Kringlan Develop Carbon Composite Wheel
Engineering Materials 6/25/2014 11 comments SABIC and Kringlan Composites are developing a thermoplastic carbon composite wheel with a matrix based on SABIC's ULTEM resin. Kringlan says its process is geared toward high volumes, short cycle times, and in-house recycling of production waste and end-of-life materials.
Slideshow: igus's 3D-Printable Bearings Material
Engineering Materials 6/20/2014 5 comments igus is offering its tribological, integrated lubricant polymer in a filament for 3D-printing custom bearings, bushings, and prototypes. The Tribo-Filament is compatible with any filament fusion printer that has a heated nozzle and print bed, and uses ABS filaments.
10 Uses for Drones That Could Change Your Opinion of Them
Blog 6/12/2014 52 comments Drones, or unmanned aerial vehicles (UAVs), are still largely tied in public image to their use to deliver deadly missiles during military engagements. This has tarnished their reputation for many people, but that is currently changing as drones move beyond their military use and more and more into the commercial sector.
10 Robots You Don't Want to Mess With
Engineering Materials 6/10/2014 76 comments Our current crop of military robots includes small, tank-like unmanned ground vehicles (UGVs), more specialized types like large autonomous vehicles, and both large and small winged robots, one carrying its own fuel cell.
3D Print Plastic & Electronics in One Pass
Engineering Materials 6/5/2014 4 comments Stanford University grad students have developed open-source technology that 3D prints conductive traces and plastic in one pass. Their startup is selling a liquid syringe extruder that plugs into a filament fusion printer, a plug-in replacement dual extruder, and a dual-extrusion 3D printer.
Slideshow: Tiny Parrot Drone Takes Full HD Videos
News 5/29/2014 48 comments Parrot's new hand-launchable Bebop Drone quadricopter is either super-cool or downright scary. It's stuffed with tech that lets it take 180-degree aerial videos with a 14 megapixel Full HD camera, plus a ton of other abilities.
Slideshow: Airbus Launches All-Composite, All-Electric Plane
Engineering Materials 5/27/2014 79 comments Airbus Group's all-electric, all-composite training aircraft took its first public flight last month during the company's E-Aircraft Day in Bordeaux, France. The experimental aircraft was designed and built as a technology demonstrator for small planes used to train pilots.
Top 10 Influential Female Engineers
Blog 5/20/2014 50 comments Engineering is often criticized for being a male-dominated field, but that is definitely changing. There are many enormously successful female engineers that currently have leadership roles in business and research, making decisions that have a broad impact on global markets and people’s lives. Here are 10 of them.
Altair has released an update of its HyperWorks computer-aided engineering simulation suite that includes new features focusing on four key areas of product design: performance optimization, lightweight design, lead-time reduction, and new technologies.
At IMTS last week, Stratasys introduced two new multi-materials PolyJet 3D printers, plus a new UV-resistant material for its FDM production 3D printers. They can be used in making jigs and fixtures, as well as prototypes and small runs of production parts.
In a line of ultra-futuristic projects, DARPA is developing a brain microchip that will help heal the bodies and minds of soldiers. A final product is far off, but preliminary chips are already being tested.
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