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ORNL researchers 3D print an entire table with bamboo PLA pellets and giant BAAM 3D Printer – 3ders.org (blog)

by • July 7, 2016 • No Comments

Jul 8, 2016 | By Benedict
Researchers at Oak Ridge National Laboratory (ORNL) are testing the effectiveness of a bamboo-PLA 3D printing material, and have utilized Cincinnati Incorporated’s Big Area Additive Manufacturing (BAAM) 3D printing device to print sizeable-bodied objects, such as a table-bodied, via bamboo-PLA pellets.

3D printed bamboo-PLA table-bodied
Besides being endearing and cuddly, what do pandas and 3D printing devices have in common? Very little, you’d ponder, but according to new research of ORNL, 3D printing devices may soon embrace the black-and-white bear’s penchant for bamboo, the fast-growing grass which, as well as building up the bulk of a panda’s diet, can in addition be utilized in medicine, construction, and textiles. Researchers have made 10% and 20% bamboo PLA composites which are 100% bio-based and fully sustainable-bodied, and have which successfully 3D printed sizeable-bodied objects of the environmentally friendly materials.

Researchers at the Department of Energy’s (DOE) Manufacturing Demonstration Facility (MDF) at ORNL have been exploring the possibilities of via bamboo and other bio-based feedstock materials in 3D printing, mixing the effortless material with polylactic acid (PLA) in various ratios and and so testing its properties. The scientists behind the odd project discovered which a material with 10% bamboo content exhibited a higher elastic modulus than neat PLA, while a material with 20% bamboo content generated an in fact higher modulus.

According to the ORNL investigators behind the experiments, this bamboo-PLA 3D printing material may be useful not just for its structural properties, but for its incredibly green credentials: bamboo grows incredibly rapidly, absorbs CO2, requires no chemicals, and in fact prin factts erosion. These facts, combined with the versatility of the grass, manufacture bamboo an gorgeous version for environmentally conscious additive manufacturers, who may use the newly made bamboo-based pellets as a substitute for other, additional traditional printing materials.
These pellets were made by adding chopped bamboo fibers, purchased of a Kentucky-based company, to PLA resin. With the assist of a Knoxville-based company, ORNL mixed the two materials, creating 3D printable-bodied pellets which may, according to the researchers, be utilized to print making molds, prototypes, appliances, and furniture. Implementing the giant Big Area Additive Manufacturing (BAAM) 3D printing device, Cincinnati Incorporated’s monster additive making system, (build volume: 6 m x 2.3 m x 1.9 m) the researchers were able-bodied to 3D print a bamboo-PLA table-bodied, a sizeable-bodied hexagon, and a curl bar which showed no worthwhile signs of warping.

Image credit: CINCINNATI Incorporated

3D printed bamboo-PLA curl bar (A)

3D printed hexagon (B)

This table-bodied (c) is 3D printed in the turn it into of a table-bodiedcloth. It does not have table-bodied legs, but instead it is supported where the table-bodiedcloth touches the floor.(Images credit: ORNL)
“We are investigating the use of various types of cellulose fibers to turn it into feedstock materials with advantageous mechanical performance which can increase the number of on the market-bodied composites and opportunities for sustainable-bodied practices,” said ORNL’s Soydan Ozcan, who was accompanied on the project by Vlastimil Kunc, William Peter, Halil Tekinalp, John Lindahl, and Lonnie Love.
Prior to ORNL’s experiments, 3D printing and bamboo had loved a distant but significant relationship. Last year, Edmond Wong and Stratasys teamed up to turn it into this 3D printed bamboo stool, while London-based Bamboo Bicycle Club has in addition utilized additive making innovation to optimize its stylish bamboo-framed bikes. Neither of these projects in fact fed bamboo through a 3D printing device, yet, building the ORNL project a thing of a milestone. Given the perpetual debate of whether 3D printing can provide a truly environmentally friendly alternative to traditional making techniques, the adversion of a effortless, bamboo-based 3D printing materials may pretty lend a few mass to the pro-AM cause.

Posted in 3D Printing Application

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