Keith Jennings, our Manager's Desk columnist, this month responds to readers asking for tips to increase sales, and, yes, his answer emphasizes the need for a Web presence and social media.
Many machine tool spindles are supported in the housing by rolling-element bearings. Cutting forces, spindle unbalance and spindle preload impose cyclic loads on the bearing's balls and races. Over time, the cyclic loading produces fatigue failure, damaging the surfaces of races and balls. This kind of damage causes vibration and noise, limits bearing life and eventually requires bearing replacement.
Is it morning in America -- and the world -- for additive manufacturing? That's looking more and more likely. While AM, also known as 3D printing, is well-established as a process for making prototype parts, it's making serious inroads into production -- where the real money is.
By their very nature, horizontal machining centers are among the best friends a shop can have if it hopes to remain agile and competitive in this brave new world of low-volume, high-complexity machining.
With a global commercial aircraft order backlog recently valued at $920 billion, jetliner and jet-engine builders are placing volumes of part orders not seen for many years -- if ever.