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Manufacturing Engineering Media eNewsletters

Tech Front: New Process Allows Nanofibers to Grow at Room Temperature

Edited by Senior Editors Patrick Waurzyniak and Ellen Kehoe

6/1/2014

Researchers at North Carolina State University (Raleigh, NC) have devised a safer method of growing vertically aligned carbon nanofibers (VACNF) with ambient air, rather than using toxic chemicals like ammonia at very high temperatures in a vacuum chamber. Full Article

Plastics Flow into the Medical Device Industry



Senior Editor Michael C. Anderson

5/1/2014

Although the North American medical device industry continues to grow, its players are under an extraordinary number of constraints. FDA requirements top the list, of course, controlling what, how, and from what materials a device can be made. On top of that are cost pressures brought on by international competition, safety and sustainability concerns, and, finally, manufacturability issues. This is not a field for the timid. Full Article

Improving Laser Technologies Driving Big Changes in Little Stents



Contributing Editor Ilene Wolff

5/1/2014

For about 20 years, medical device manufacturers have used continuous wave lasers to make permanent metal stents, first out of stainless steel and then out of alloys like nitinol and cobalt chrome. Doctors implant the devices to prop open blood vessels or help with other medical conditions.  But during the last two decades ultrafast, pulsed lasers have been perfected that can also produce stents made of polymers, which are bioplastics that dissolve in the body once they’ve done their job. Full Article

Shop Solutions: Milling Titanium Faster on Light-Duty Machines



Edited by Senior Editor Jim Lorincz

5/1/2014

When bidding large titanium jobs with a lot of stock removal, you’d better get everything right, from the bidding numbers to the actual machining rates. Otherwise you may either lose the bid or end up waving goodbye to a bundle of bucks when the parts actually run.TEM Inc., a progressive 40-man shop in Buxton, ME, sure has gotten it right with a fleet of 34 light-duty CNC mills running 16/5 machining titanium. Full Article

A Pathway to Approval for Additive-Made Devices



Contributing Editor Ilene Wolff

4/1/2014

Additive manufacturing is now producing all manner of medical devices, and new ideas for the process—ranging from printed surgical tools and bone replacements to human tissue—are coming from designers and engineers daily.Even the best idea, though, has little value in the United States unless the Food and Drug Administration gives its go-ahead for putting the device on the market. Full Article

Additive Joins Subtractive on Advanced All-in-One Machines



Senior Editor Jim Lorincz

4/1/2014

The path of precision machining has taken a decidedly unexpected change in direction. Yes, machining centers, in their various configurations of horizontal, vertical, and universal, continue to hold their preeminent positions in shops for their ability to create value-added benefits to individual workpieces or parts in serial production. Full Article

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