The difference between: 3D printing and CNC machining

With today’s increase in complexity for engineered products and the need for faster production of these products, manufacturers are having to choose between technologies. This paper will discuss and compare two of the methods used to produce parts, while recognizing that each has its place, and can complement each other in the design and manufacturing workflow. Download this paper to learn about the differences between 3D Printing and CNC Machining and when to choose each technique.

The Difference Between: 3D Printing and CNC Machining

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HP accelerates digital transformation of manufacturing with high-volume 3D production and applications

Customers worldwide ramping up 3D printing installations;
More than 3 million Multi Jet Fusion parts produced in last year alone;
Breakthrough program to digitally reinvent HP product lifecycle

News highlights:                 

  • Industry-wide acceleration of 3D printing for production of end-use parts and large-scale prototyping
  • Forecast 3D, GoProto, Stern, and more increasing Multi Jet Fusion capacity to meet rising demand
  • Reinventing HP With Multi Jet Fusion program leverages 3D across HP’s product lifecycle

ST. LOUIS, April 09, 2018 (GLOBE NEWSWIRE) — Today at the world’s largest 3D printing user event, the Additive Manufacturing Users Group (AMUG) conference, HP Inc. showcased new large-scale customer deployments and its own Reinventing HP With Multi Jet Fusion program as the industry accelerates its journey to full-scale 3D production.  According to Wohlers Report 2018, the production of functional parts, including functional prototyping, is now the industry’s leading additive manufacturing use-case and the demand for production-grade parts is expected to continue to grow exponentially.  As the market leader, shipping more plastic production 3D printers than any other company in the world[1], HP is delivering both unprecedented capabilities and economic advantages to its manufacturing customers, and also embracing its own technology to transform the design, production, and distribution of HP products worldwide.

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3D Printing: Seven products to finish the job

GEFERTEC GmbHFrom beginning to end, take a look at all the components of 3D printing to ensure you are making the best possible products safely, quickly, and not wasting materials in the process.

3D printing is taking over the industrial world and new printers are always a source of excitement. But, what seems to rarely be a source for that same excitement, is all the components that actually go into completing the job. We’re talking about hazardous material clean-up, recycling old materials, software to get that precise cut, and cost-effective technology, to name a few.

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Startup to make 3D-printed concrete homes for US$4,000

A non-profit partnership is raising money to 3D-print durable and affordable concrete homes in El Salvador, in an effort to offset the global housing crisis.

Each single-storey, 650 square-foot home costs US$4,000 to build using a concrete-extruding printing apparatus, which is programmed to create the foundation and walls of the structure. The printing plans leave room for windows and a non-concrete roof, and can be adjusted to make room for wiring and plumbing as well.

The whole thing is the brainchild of three Texas-based entrepreneurs, whose tech startup Icon aims to revolutionize sustainable home construction.

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3D-printed liquid structures pave the way for flexible electronics

3d printed liquidA 3D printer has been adapted by a team at the US Department of Energy’s Berkeley Lab to print 3D structures composed entirely of liquids.

The modified printer injects threads of water into silicone oil – sculpting tubes made of one liquid within another liquid.

The printer could be used to construct liquid electronics that power flexible, stretchable devices, the researchers said.

The scientists also foresee chemically tuning the tubes and flowing molecules through them, leading to new ways to separate molecules or precisely deliver nanoscale building blocks to under-construction compounds.

A 3D printed bridge gives new shape to large-scale manufacturing

In October of 2017, the first 3D printed bridge bore a group of hard-hat-wearing city officials on bicycles as they wobbled across a canal in the city of Gemert in the Netherlands.

Officials and locals celebrated the opening of the 26-foot (8 meters) bridge that connects two roads over a small water-filled canal, said Phys.org. This structure represents a milestone for 3D printing of large-scale objects.

Printing the bridge’s 800 layers took about three months. The designers say the reinforced, pre-stressed concrete can handle loads equivalent to the weight of 40 trucks. In Amsterdam, Dutch startup MX3D is printing components for a stainless steel bridge to span a canal, according to Phys.org.

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Is 3D printing going to replace injection molding?

Carbon-3D-printing-models-MD3D printing and injection molding each have their own benefits and limitations when it comes to making medical device parts, according to experts from PTI Engineered PlasticsCarbonand Protolabs

Medical device parts makers are increasingly turning to 3D printing, but additive manufacturing has yet to reach the tipping point where it could supplant injection molding in medtech parts manufacturing, according to a March 8 experts panel at the AD&M Cleveland show in March.

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3D Printing ROI: Pharmaceutical company sees 95% part cost reduction, 70% weight reduction

In a new case study, global 3D printing leader Stratasys, which will soon introduce its new metal 3D printer, has explained how a top French pharmaceutical company was able to achieve a full return on investment (ROI) within just one year of purchasing and installing one of its production FDM 3D printers.

Bristol-Myers Squibb subsidiary UPSA determined that additive manufacturing would be a good way to attract new technicians, along with putting some life back into its in-house workshop. The company also realized that 3D printing would be able to help it find innovative solutions to production-line challenges, which were limiting the amount of machine parts it could make with traditional methods of manufacturing.

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3D printed lenses can turn iPhones into microscopes

contact lensLow-cost lenses can now be 3D printed and used for a number of purposes including customised contact lenses for correcting distorted vision or turning iPhones into microscopes for disease diagnosis.

Developed by a team at Northwestern University, the customised optical component is 5mm in height and 5mm in diameter and can be 3D printed in about four hours.

“Up until now, we relied heavily on the time-consuming and costly process of polishing lenses,” said Cheng Sun, who worked on the project. “With 3D printing, now you have the freedom to design and customise a lens quickly.”

The customised lens was attached to an iPhone 6s and was able to take high-quality detailed images of a sunset, a moth’s wing and a spot on a weevil’s elyta.

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Transport XEV plans mass-production 3D printed electric cards

XEV and Polymaker's 3D printed electric car. Photo via Polymaker

Award winning 3D printer filament manufacturer Polymaker has partnered with Italian car manufacturer XEV to make 3D printed low-speed electric vehicles (LSEVs).

While XEV’s LSEVs aren’t the first ever 3D printed cars, the partners believe that this is the first example of additive manufacturing vehicles at scale.

Stanley Lu, CEO of XEV,  provided 3D Printing Industry with more information on the Polymaker partnership and its success in developing a serial 3D printing production line cutting down the time and boosting customization of the everyday car.

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