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05-13-2014, 09:07 AM
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Join Date: Jan 2007
Location: USA
Posts: 256
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Tip: Simple Riveting
Henrob Self-Pierce Riveting (HSPR) is a process of joining two or more materials from an engineered rivet, unlike conventional riveting, HSPR does not require a drilled or punched hole. HSPR joins dissimilar materials such as steel, aluminum, plastics, composites, and pre-coated or pre-painted materials. Benefits include low energy demands, fast cycle times, no heat, fumes, sparks or waste, providing a great alternative to welding and other fastening techniques.
http://www.youtube.com/user/18004HENROB
http://www.henrob.com
http://www.youtube.com/watch?v=GiB9ff-TSQI
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James King
RV-7
919
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05-13-2014, 09:27 AM
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Join Date: Jan 2010
Location: Denver, CO
Posts: 1,964
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That's friggin' COOL!
Probably way expensive, but how cool...
It's amazing how things are progressing: Originally homebuilders had to do it on their own (designs and all), then they bought engineered plans, then came "pre-punched material kits." Now we're moving from pre-punched material kits to Quick Build kits, and from QB kits to "pulled rivet only" and "no match-drilling required" kits. What could possibly be next?
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05-13-2014, 11:23 AM
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holes
How are the holes cleaned up? One of the reasons that deburring is needed is that it relieves stress.
I would not think this technique would be a good idea in a aviation application.
Remember stir welding that Eclipse used? A disaster.
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05-13-2014, 12:46 PM
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Join Date: Jan 2010
Location: Denver, CO
Posts: 1,964
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FSW = "disaster?"
Paul,
Why was using Friction Stir Welding a disaster for Eclipse Aviation? Don't Boeing and several other aerospace companies still use FSW in their manufacturing?
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05-13-2014, 12:50 PM
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Join Date: Aug 2013
Location: Copper Canyon, TX
Posts: 12
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ppilotmike ~ Yes, FSW is still being used in commercial aircraft production.
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05-13-2014, 12:53 PM
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Join Date: Dec 2009
Location: Boulder, CO
Posts: 4,428
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Self-piercing fasteners? Seems like a fatigue problem for sure.
Dave
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05-13-2014, 12:53 PM
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Join Date: Aug 2013
Location: Copper Canyon, TX
Posts: 12
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Eclipse was forced into Chapter 7 liquidation, not as a result of friction stir welding.
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05-13-2014, 01:32 PM
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Forum Peruser
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Join Date: Jan 2005
Location: Austinville, Alabama
Posts: 2,455
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Friction Stir Welding has been used on rocket engine parts and on the Space Shuttle External Tank for many years, very successfully.
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Don Hull
RV-7 Wings
KDCU Pryor Field
Pilots'n Paws Pilot
N79599/ADS-B In and Out...and I like it! 
?Certainly, travel is more than the seeing of sights;
it is a change that goes on, deep and permanent, in the ideas of living." Miriam Beard
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05-13-2014, 01:40 PM
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Join Date: Dec 2009
Location: Boulder, CO
Posts: 4,428
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Seems like this thread is misplaced - that rivet sure isn't a tip for building airplanes. More of a way to hang signs on a signpost.
Dave
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05-13-2014, 02:55 PM
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Join Date: Apr 2013
Location: New Albany, IN
Posts: 160
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Quote:
Originally Posted by ppilotmike
Probably way expensive, but how cool...
It's amazing how things are progressing: Originally homebuilders had to do it on their own (designs and all), then they bought engineered plans, then came "pre-punched material kits." Now we're moving from pre-punched material kits to Quick Build kits, and from QB kits to "pulled rivet only" and "no match-drilling required" kits. What could possibly be next?
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Aircraft ready to fly--no assembly required?
__________________
Jeff Rich
RV-10 KJVY
N313KC registered
Awaiting Airworthiness Inspection--soon! (fingers crossed)
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