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Testing the Metal

Materials science has opened new possibilities for designers of cars, planes and other products. Metal alloys are now as precisely engineered as they are machined. The result is longer lasting, stronger parts. But with a wider selection of materials comes risk—how can you be sure that one piece of gray metal stock is different than another? Careful warehousing procedures and paperwork only go so far.

Modern CNCs Make Easy Work Out of Tough Stuff

It’s the machine tool acronym you never bother to put into words: CNC. And much of the time it’s probably OK to view your “computer numerical control” as a black box doing magic. But if you’re struggling with high-speed machining, need better surface finishes or higher accuracy, have training and retention problems, or want a better handle on your production efficiency, the answer just might be the latest iterations of those three little letters.

Robotic Returns

A few not-so-tall tales of how machine shops gain a competitive edge through automation

In the Robotic Trenches

Tales from manufacturers who’ve implemented automation: Why they did it, what the results were—and advice to others considering a new droid.

Gummy, Stringy Material Meets its Match with Cut Taps, Thread Mills

Selecting the right tool for threading aluminum begins with considering the key properties of aluminum; the pros and cons associated with the main choices of tools, cut taps or thread mills; and advances in tooling technology including coatings and coolant-through capability.