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Aerospace Manufacturing Process Makeovers

Edited by Senior Editor Michael Anderson from information provided by CNC Software Inc.


Reducing operations, adding dynamic material removal improves CNC productivity Full Article

Grinding Gamma Titanium Aluminide

Andrew Biro, Research Engineer Philip Varghese, Advanced Applications Engineer Saint-Gobain Abrasives


Titanium aluminides possess many characteristics that make them highly attractive for high-temperature structural applications in automotive and aerospace industries. Their high specific strength, high-temperature stability and oxidation resistance relative to conventional titanium and nickel alloys make them beneficial for use in low-pressure turbine blades for aerospace engines. Saint-Gobain Abrasives has been researching and developing new grinding technology to use with these intermetallics.

Full Article

Hard Surfacing on a Steel Punch Using Direct Metal Deposition

Juan Carlos Cruz-Robles Bhaskar Dutta DM3D Technology LLC Auburn Hills, MI


Direct metal deposition, an additive manufacturing technology, has made it possible to add a high-carbon steel to the area of contact of a tool steel punching tool in order to change the properties and behavior of the tool. Hardness and wear resistance were tested and the technology demonstrated its potential to add dissimilar materials to change the properties of a tool or component. Full Article

Custom Dual-Gantry Mill is a Triumph

Edited by Senior Editor Michael C. Anderson from information provided by Siemens Industry Inc


Triumph Structures–Wichita, a Triumph Group company, brought a unique challenge to the engineers at Zimmermann (Novi, MI) and the solution has yielded various benefits to this major supplier of aerospace components. As Harry Thurmond, president at Triumph Structures–Wichita explains, “We had requirements for spars and stringers that often reached 22' (6.7-m) in length, but we also do a variety of production jobs on smaller sections such as bulkheads. Full Article

Berkshire Hathaway to Acquire Precision Castparts for $37.2 Billion

Berkshire Hathaway press release


Berkshire Hathaway Inc. agreed to acquire Precision Castparts Corp. in a deal valued at $37.2 billion. Full Article

At Pratt & Whitney, Engine Assembly Moves Forward

Senior Editor Michael Anderson


Since April 2015, Pratt & Whitney PurePower geared turbofan engines have been rolling off of new assembly lines in Middletown, CT, and West Palm Beach, FL. Concurrent with the design of the new engine family was a new design for engine assembly, now in use in both locations as well as in Mirabel, QC, Canada. This new system—in some ways the biggest innovation in engine assembly in decades—combines lean thinking, DFM and a variation of Henry Ford’s innovation, a moving horizontal assembly line. Full Article

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