Timothy W. Simpson

Timothy W. Simpson Paul Morrow Professor of Engineering Design & Manufacturing

The Challenges of Teaching Creativity in Additive Manufacturing

The extensive design freedoms offered in additive manufacturing can be paralyzing. With AM consistently pushing the boundaries of manufacturing, how do we teach people to take risks and be creative with AM?

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Basics

Additive Manufacturing Standards

There are gaps in published additive manufacturing standards. Here are some resources and standards to help make sense of the growing technology.

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Additive Manufacturing with Sheet Lamination

No longer limited to paper, sheet lamination bonds sheets of material together to form an object. Companies are exploring the possibilities of this process.

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Material Jetting: It's Like Printing, Just in 3D

Recent advances in material processing capabilities have renewed interest in material jetting, the additive process that allows 3D objects to be built by placing different combinations of material drop-by-drop.

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Material Extrusion: Now with Metal

Challenging our thinking about materials in metal additive manufacturing and the possibilities with material extrusion technology.

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Additive Manufacturing Via Material Extrusion

Material extrusion was the second additive manufacturing process to be successfully commercialized. After three decades of material advancements and a diverse array of start-ups and applications, the use cases for this technology are still going strong.

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Basics

Additive Manufacturing — More Than Metal: How Vat Photopolymerization Started It All

Vat photopolymerization was the first additive manufacturing process to be successfully commercialized. Three decades later, this technology has shown how AM is capable of scaling to volume production and making custom products on demand.

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Additive Manufacturing for Hard Tooling

Hybrid manufacturing is enabling tooling to be made with additive processes.

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Basics

Combining Additive and Subtractive Processes for Hybrid Machining

At this point, we are still learning how to combine the two to optimize hybrid manufacturing.

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Additive Manufacturing with Wire

This system has the benefits of cheaper cost and easier handling. But there can be some drawbacks as well.

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Three Cool Uses for Directed Energy Deposition

Most machining professionals don’t like to admit that they ever make mistakes, but every now and then wouldn’t it be nice to have an “eraser” to go back and repair a gouge or fix a nicked edge? Or maybe you took off a bit too much material on that last machining pass and you’d like to add it back? Well, directed energy deposition (DED) enables you to do that and more.

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