TECHNOLOGY

ADDITIVE  (3D) MANUFACTURING

INTRODUCTION

Additive Manufacturing (often referred to as 3D-Printing) is the technology that builds 3D objects by adding layer-upon-layer of material (which may be plastic, metal, concrete, or human tissue), under the control of 3D modeling software. Various applications include rapid prototyping, direct digital manufacturing, layered manufacturing, and additive fabrication. Besides learning to work with different materials and layering techniques, current research includes varying the location of the x-y axis to change the physical properties of the product. The technology was initially invented in Japan in 1981. Get more details

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People will be living in 3D-printed homes in 2019 (Additive Manufacturing - 2018-12 - Architectural Digest)

The world’s first 3D-concrete-printed homes, fully outfitted with multiple rooms, will be built in 2019 in Eindhoven, Holland. The homes will first come in single-story units, with multi-level homes to be built shortly thereafter. A special concrete composition, which does not need steel reinforcements, was developed for the printers.

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The most amazing 3D-printing projects of 2018 (Additive Manufacturing - 2018-12 - MIT Technology Review)

The 6 3D-printing projects are: A steel pedestrian bridge (for Amsterdam); Concrete homes; BMW’s millionth component since 2010 (a window guide rail for the BMW i8 Roadster); The Refabricator (turning old plastic items into filament for printers); Self-tracking plastic objects (transmitting usage information); and Weddings (including a bouquet).

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Building a Moon Base using 3D manufacturing and moon resources (Additive Manufacturing - 2018-11 - Technology.org)

The European Space Agency is leading a project to come up with ways to make a Moon Base more feasible. Potentially, everything from building materials to solar panels, equipment and tools to clothes, and even nutrients and food ingredients, could be 3D-printed on the Moon.

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Fashion designers using 3D software to create prototypes, and halve time from design to store shelf (Additive Manufacturing - 2018-10 - Wtop)

Clothes and shoe designers are sketching on high-resolution tablets, and emailing 3-D renderings straight to factories. The goal is to reduce the time it takes to get to store shelves from a year to six months or less.

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3D-printing cells to produce human tissue (Additive Manufacturing - 2018-10 - Technology.org)

University of Utah biomedical engineers have developed a method to 3-D-print cells to produce human tissue such as ligaments and tendons, a process that will greatly improve a patient’s recovery.

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3D bioprinting technique could create artificial blood vessels and organ tissue (Additive Manufacturing - 2018-10 - Technology.org)

City University of Boulder engineers have developed a 3D-printing technique that allows for localized control of an object’s firmness, opening up new biomedical avenues that could one day include artificial arteries and organ tissue. The layer-by-layer printing method features fine-grain, programmable control over rigidity, allowing researchers to mimic the complex geometry of blood vessels that are highly structured and yet must remain pliable.

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Apple patent shows new way to create 3D printed models (Additive Manufacturing - 2018-10 - TechCrunch)

A patent filed by Apple amd approved in October 2018 shows a new method to print 3D models using triangular tessellation. The method breaks smooth surfaces into little triangles that approximate the shape of the original model.

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The first 3D-printed steel bridge has been completed (Additive Manufacturing - 2018-10 - MIT Technology Review)

MX3D is 3D-printing a fully-functional stainless steel bridge to cross a canal in Amsterdam.

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Robots used for pre and post processing of 3D-printing (Additive Manufacturing - 2018-10 - Metal AM)

Swedish start-up Digital Metal is launching a fully-automated production system, using 3D-printing with robots performing pre and post production functions.

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Hybrid additive manufacturing machines integrate 3D-printing with CNC processing for metal products (Additive Manufacturing - 2018-10 - Technology.org)

Hybrid additive manufacturing machines integrate layer-by-layer building with traditional CNC (Computerized Numerical Control) processing and laser cladding for metal products.

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3D-printed bones are helping doctors prepare for surgeries (Additive Manufacturing - 2018-10 - Technology.org)

Orthopaedic surgeons are using scans of actual patient anatomy to 3D-print model bones on which to plan and practice procedures.

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HP launches Metal Jet 3D printing (Additive Manufacturing - 2018 - 09 - TechRepublic)

Hewlett Packard launched its HP Metal Jet 3D printing technology, designed to deliver mechanically functional parts faster than current systems with the aim of revamping factory production for auto, industrial and healthcare companies. Initial metal focus will be stainless steel.

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US Marine Corps Systems Command used a 3D printer to construct a concrete barracks measuring 500 sq ft in 40 hours (Additive Manufacturing - 2018 - 09 - New Atlas)

The US Marine Corps Systems Command constructed a 500 sq ft prototype concrete barracks in 40 hours with one of the world’s largest 3D printer. (If soldiers receive a safe barracks in a shorter time, it could potentially save lives.) It normally takes 10 Marines five days to construct a similar hut out of wood.

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Volkswagen is becoming the first manufacturer to use 3D printing for series production parts (Additive Manufacturing - 2018 - 09 - Technology.org)

A Volkswagen car has 6,000-8,000 manufactured parts. Volkswagen became the first automotive manufacturer to use the HP Metal Jet 3D-printing technology suitable for mass production.

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3D-printed bionic eye prototype could one day restore sight (Additive Manufacturing - 2018-08 - ZDNet)

Researchers from the University of Minnesota have used 3D-printing technologies to create light receptors on a hemispherical surface, a “significant step” towards the creation of synthetic eyes which could either restore sight for the blind or improve levels of sight for the visually impaired.

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Netherlands building world's first habitable 3D printed houses and cycle bridges (Additive Manufacturing - 2018-08 - The Guardian)

Offered because of a shortage of skilled bricklayers, the Dutch city Eindhoven is building concrete, habitable homes made by a 3D printer. Designs can be customized to whatever shape a purchaser wants. Foundations are conventional. Five houses will be rented in 2019. A 3D-printed cycle bridge was built in 2017.

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Bugatti, HP, Frito-Lay, and Chanel use 3D-printing for prototyping (Additive Manufacturing - 2018-08 - MIT Technology Review)

3D-printing is now part of the entire product life cycle. Frito-Lay uses the lowest-cost printers to print prototype potato chip geometries; Bugatti and Chanel 3-D-print their final products. MIT’s lab has made substantial progress in improving printing speed.

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3D-Printing to disrupt medical implants industry (Additive Manufacturing - 2018 - 07 - Technology.org)

Advances in 3D printers, materials and other technology have enabled manufacturers to design and deliver custom-made, high-resolution 3D-printed implants on patient demand.

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4D-printed products programmed to change shapes (Additive Manufacturing - 2018 - 07 - Fast Company)

MIT’s Self-Assembly Lab has perfected the use of super-stretchy, 100% silicone rubber, 4D-printing it into air chambers that can be programmed to inflate and deflate at certain times,

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Multi-dimensional printing allows bicycles to be manufactured at your local bike shop (Additive Manufacturing - 2018- 07 - Fast Company)

The Silicon Valley start-up, Arevo, is 3D-printing samples of its first generation of bikes. A custom robot prints the company’s carbon fiber-embedded material using a multi-dimensional, environmentally-friendly process that makes them strong. The bikes will be in mass production in 2019.

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Netherlands building world's first habitable 3D printed houses and cycle bridges (Additive Manufacturing - 2018-06 - The Guardian)

Offered because of a shortage of skilled bricklayers, the Dutch city Eindhoven is building concrete, habitable homes made by a 3D printer. Designs can be customized to whatever shape a purchaser wants. Foundations are conventional. Five houses will be rented in 2019. A 3D-printed cycle bridge was built in 2017.

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Bugatti, HP, Frito-Lay, and Chanel use 3D-printing for prototyping (Additive Manufacturing - 2018-06 - MIT Technology Review)

3D-printing is now part of the entire product life cycle. Frito-Lay uses the lowest-cost printers to print prototype potato chip geometries; Bugatti and Chanel 3-D-print their final products. MIT’s lab has made substantial progress in improving printing speed.

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Researchers design 3-D-printed, driverless boats that can self-assemble into other floating structures (Additive Manufacturing/Autonomous Vehicles - 2018-05 - MIT News)

MIT researchers have designed a fleet of autonomous boats that offer high maneuverability and precise control. The boats can also be rapidly 3-D printed using a low-cost printer. The boats — rectangular 4-by-2-meter hulls equipped with sensors, microcontrollers, GPS modules, and other hardware — could be programmed to self-assemble into floating bridges or concert stages in a matter of hours.

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The 3 industries kickstarting the 3D-printing revolution (Additive Manufacturing - 2018-05 - TechRepublic)

Over $13 billion was spent on 3D-printing from 2014-17, with $280 billion estimated in the next 10 years. The three industries kickstarting the revolution: Aviation/aerospace, Healthcare, and Energy.

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Researchers 3D-print electronics and cells directly on skin (Additive Manufacturing - 2018-05 - Technology.org)

University of Minnesota researchers used a customized, low-cost 3D printer to print electronics on a real hand for the first time – Useful e.g. to print temporary sensors to detect chemical or biological agents or solar cells to charge essential electronics. They also printed biological cells on the skin wound of a mouse, leading to new medical treatments for wound healing and skin grafting.

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Self-assembling materials that can be printed inexpensively and shipped flat (Additive Manufacturing - 2018-04 - ZDNet)

Researchers at Carnegie Mellon University have created a process that allows plastic printed with a cheap 3D-printer to fold itself into predetermined shapes with the application of heat. The material may one day be used to produce flat-pack products that can be assembled quickly with a heat gun.

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New 4D printer could reshape the world we live in (Additive Manufacturing - 2018-04 - Technology.org)

In 2017, scientists at Georgia Institute of Technology and the Singapore University of Technology and Design used a composite made from an acrylic and an epoxy along with a commercial printer and a heat source to create 4-D objects, such as a flower that can close its petals. They have now developed a powerful printer that could streamline the creation of self-assembling structures that can change shape after being exposed to heat and other stimuli, accelerating the use of 4-D printing in aerospace, medicine, and other industries. The printer can use different materials to create hard and soft components at the same time, incorporating conductive wiring directly into shape-changing structures.

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This House Can Be 3D-Printed For $4,000 (Additive Manufacturing - 2018-03 - Fastcompany.com)

New Story, a Silicon Valley-based nonprofit, which builds housing in the developing world, has invented a truck-mounted, massive 3D-printer that will extrude a 4-room, 6-800 sq.ft., single-story house in less than a day, using local materials, for less than US$4,000.

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3D-printed customized racing sleds for each US Olympic luge athlete (Entertainment - Olympics, 2018-02. TechRepublic

The US Olympic luge team is going for gold with the help of 3D printing at the 2018 Winter Olympics in Pyeongchang, South Korea. Athletes are using customized 3D-printed racing sleds from Stratasys, tailored to their individual bodies.

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