Peter Zelinski

Peter Zelinski Editor-in-Chief

Metal

Additive Manufacturing and Cost per Kilogram

How much is weight savings worth to you? Additive is being embraced in applications where the answer to that question is high.

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Machining

Machining vs. 3D Printing for Functional Prototypes

In making a short-run functional prototype, when does CNC machining make sense and when is 3D printing the option to use instead?

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Metal

AM’s Assist to ID Grinding

An additively grown coolant nozzle enhanced the effectiveness of ID grinding. The success hints that additive and subtractive processes might be more complementary than we yet see.

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Polymer

3D Printing for Space Station Freezer Interior

For a freezer to be used in orbit, growing the interior structure in one piece eliminates joining and brackets to maximize the space efficiency of this space-borne appliance.

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Production

Precision Without Deposition

Is it possible to 3D print with carbon fiber fabric? It is, except that “printing” is not the right word. This additive process builds parts by stacking the carbon fiber sheets. The result is composite parts that don’t need tooling—but are strong enough that they could be used as tooling.

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Materials

One-Offs Without Tradeoffs

Does it have to be expensive to produce a one-off part? Does the one-off have to fall short of the manufactured part’s properties? A Boston-area 3D printer maker has an idea for how to produce components that are both low quantity and industrial quality.

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Design

Material Improvement

In addition to the geometric freedom, additive manufacturing also provides the freedom to use metals that would be difficult to apply another way. Deka Research & Development is exploring both freedoms as it seeks to create a power source that could improve the lives of people around the world.

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Metal

One Week to Take Additive Manufacturing Further

A 5-day advanced course at the new Additive Manufacturing Competency Center is aimed at quickly advancing the knowledge and effectiveness of current AM users.

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Mold Tooling

3D-Printed Tooling Speeds Manufacturing of Cutting Tools

Knight Carbide's insert delivery times had to wait on custom tooling, so they acquired a Mojo desktop 3D printer from Stratasys to make their own. Lead times for insert carriers were shortened from weeks to just six hours.

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Panel Discusses Promise and Challenges of Both Additive and Hybrid Machines

Manufacturers ranging from orbital to underground shared their thoughts on additive manufacturing at the recent Innovation Days event.

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Metal

Highlighting Hybrid Manufacturing

The winner of the first International Additive Manufacturing Award is a company that developed a head for adding metal additive manufacturing to an existing machine tool.

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Metal

FAA Clears First Additive Manufactured Part for Flight in a GE Commercial Jet Engine

A cobalt-chrome temperature sensor housing is being retrofit to GE90 engines used by Boeing.

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