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Until the middle of 2010, first-tier subcontract machinist, JJ Churchill, could produce turbine blades only if they had their fir-tree root-forms preground elsewhere, or if they were subsequently added by another subcontractor. No longer is this the case.

Today’s products require high finishes, burr-free edges, freedom from contamination, and often close tolerances. Electropolishing provides all of those conditions and more in a matter of seconds for many metal parts. It is a process that has been used for more than a hundred years. It is widely known and the science is widely discussed, but its ability to run job shop lots and high-precision high-volume parts in the same equipment makes it a bit unique.

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Abrasive machining is a tried-and-true technology for meeting exacting tolerances and producing superior finishes. Manufacturers continue to develop new capabilities.

In the cornfields of southern Indiana, Thermwood Corp. is making unique large-scale additive manufacturing (LSAM) equipment. LSAM machines produce large- to very-large-sized components from reinforced thermoplastic composite materials, creating industrial tooling, masters, patterns, molds and production fixtures used in the aerospace, automotive, foundry, and marine industries.

ExOne Co. said it was launching its updated Quick Ship metal 3D printing services, featuring a new digital quoting tool and materials.

Heidenhain Corp. has opened its newly completed West Coast headquarters. This includes the expansion of its executive, sales and technical support offices, as well as demo facilities in San Jose, Calif. The company also maintains a Midwest headquarters in Schaumburg, Illinois.

In August, Rob Sullivan had an installation scheduled for two of his autonomous mobile robots at the Deutsche Post DHL Group’s Innovation Center in Troisdorf, Germany.

It’s a sad fact of practically all metal removal operations that, no matter how sharp the tool or free-machining the material, there are going to be burrs, hanging chads, ragged corners, and other edge quality issues that must be dealt with before calling the workpiece complete.

With today’s focus on lightweighting, hollow parts made from composite materials—such as ducting, fuel tanks, mandrels, and rocket shrouds—are in higher demand than ever before.