Timothy W. Simpson

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

What Is Directed Energy Deposition?

Analyzing directed energy deposition and powder-bed fusion provides a thorough understanding of the extra machining necessary for a “near net shape” versus a “net shape” manufacturing process.

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Additive Manufacturing for Large Parts

Powder-bed fusion is driving the hype for additive manufacturing right now, but it may not be the best answer. Directed energy deposition is a strong contender.

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Smoothing out the Rough Edges

Surface finishing additively manufactured metal parts.

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Can My Machine Tool Access My Support Structures?

Analyzing the machinability of support structures opens a new way of thinking about optimal build orientation.

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Basics

Why Is My Surface So Rough?

Be aware of the inherent manufacturing and design challenges that impact the dimensions and tolerances that you can (or cannot) achieve on an “as built” part.

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Machining Additively Manufactured Supports: The Tool’s Perspective

Studies show that thin-walled additvely manufactured support structures may not be as good for machine tools as they might seem.

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Reuniting Manufacturing and Design for Effective AM

Designing the build is just as important as designing the part.

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Machinability of Additively Manufactured Support Structures

What happens when you cut away thin-walled supports on your AM part?

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The Many Possibilities of Additive Manufacturing

Why would anyone want to use additive manufacturing?

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Basics

After the Build Is Done Why Do the Bills Keep Coming?

When your additively manufactured part is done printing, you just pull it out of the machine and start using it, right? Not even close.

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Basics

Why Does My AM Part Cost So Much?

The machine, the facility and the material are just three costs behind the price tag.

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A Benefit of Additive Manufacturing: No Tooling Is Required

Manufacturers need to understand the cost curves in regard to “conventional” manufacturing practices and those of additive manufacturing.

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