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Contents contributed and discussions participated by Alex Hundt

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Alex Hundt

Texas company makes metal gun with 3-D printer - CNN.com - 1 views

www.cnn.com/...3d-printed-metal-gun

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      Alex Hundt on 18 Feb 14
       
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  • A Texas company says it has made the first metal gun using a 3-D printer, taking the debate over people's emerging ability to create their own firearms to a new level.
  • fired more than 50 rounds from the handgun, even hitting a few bull's-eyes at more than 30 yards.
Alex Hundt

3D printing with metal: The final frontier of additive manufacturing | ExtremeTech - 1 views

www.extremetech.com/...tier-of-additive-manufacturing

3D printing with metal

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  • 3D printing with metal: The final frontier of additive manufacturingBy John Hewitt on December 27, 2012 at 9:21 amCommentShare This article The holidays are a great time to sit back, relax, and watch the world happen around you. Few areas of technology have seen as much development in one year as that of 3D printing. Undoubtedly, the most dramatic and challenging has been printing with metal. For your enjoyment, we have assembled a few incredible videos that showcase the power and flexibility of 3D printing with metal — to not be amazed is to be numb to the technology of our day.
Alex Hundt

3D Printing: Life in 3D - CKGSB Knowledge - 0 views

knowledge.ckgsb.edu.cn/...3d-printing-life-in-3d

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  • In China, 3D printing has carved out a niche in the advanced and high value-added manufacturing sector that involves complex parts and exotic materials.
  • Additive manufacturing cuts out the long lead times and design techniques like metal cutting or molding.
  • Today’s prosthetics and implants for use inside the human body already come in a variety of sizes and designs, but 3D printing can improve them by tailoring devices to each patient’s biology or injury. Bespoke implants mean better compatibility and fewer trips to the hospital, which could potentially ease the strain on China’s already stretched social security system, and it is where Materialise hopes to leverage its expertise in 3D printing in China. The Belgian company is looking to work with doctors to design devices like jaw implants from scans of patients’ mouths, says Francois. The digital models would then be printed in medical-grade titanium.
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  • The long-term impact on supply chains could be profound. As companies start using 3D printers to produce parts on demand, on site and only as needed, a plethora of players—from storage to shipping—would lose out in a shorter, simpler supply chain, while consumers would benefit through localized production and leaner inventories.
  • same component could be ready in hours
  • Chief among them is that it can take anywhere from hours to days to print an object. While that may be an improvement for applications like rapid prototyping, it is impractical for larger-scale production. An assembly line in Shenzhen can churn out a product in the hundreds of thousands or even millions in the same amount of time it takes to print a component. “It’s an order of magnitude slower than what it’d need to be,” says Vicari.
  • The compounds used to print objects are expensive and only a handful can be used due to the required performance standards.
  • Titanium is popular for printing industry-grade parts because the metal is lighter and stronger than steel
  • At-home printing will not become widespread until printers become more reliable and the tools for using them more intuitive.
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