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(Twitter)   It's somewhat unusual to see explosives being used to assemble something   (twitter.com) divider line
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1439 clicks; posted to STEM » on 25 Feb 2021 at 5:50 PM (7 weeks ago)   |   Favorite    |   share:  Share on Twitter share via Email Share on Facebook



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2021-02-25 3:26:22 PM  
Original Tweet:

 
2021-02-25 6:08:17 PM  
You can also use explosives to assemble a fish fry.
 
2021-02-25 6:10:00 PM  
They did that a lot with the huge powerline they just ran through here.
 
2021-02-25 6:14:42 PM  
That is way more impressive than a hydraulic crimping machine
 
2021-02-25 6:16:19 PM  
the two layers of metal on some coins are joined by blast welding large sheets of metal with explosives underground
 
2021-02-25 6:18:25 PM  
There are the same people that fly helicopters up against high voltage lines.  Compared to that, everything else is safe.
 
2021-02-25 6:19:26 PM  
Another use is explosive forming.

Changing to a sphere with explosives. Explosive forming.
Youtube kEVG1xGaN6M
 
2021-02-25 6:24:49 PM  

Marcus Aurelius: There are the same people that fly helicopters up against high voltage lines.  Compared to that, everything else is safe.


I like it when they ride the wires in little gondolas.
 
2021-02-25 6:28:19 PM  
Looks like high explosive version of cad welding.
 
2021-02-25 6:33:50 PM  

Kerr Avon: Another use is explosive forming.

[iFrame https://www.youtube.com/embed/kEVG1xGa​N6M?autoplay=1&widget_referrer=https%3​A%2F%2Fwww.fark.com&start=0&enablejsap​i=1&origin=https%3A%2F%2Fwww.fark.com&​widgetid=1]


I live semi-rural and, a couple of years ago, one of my neighbours did that.

He didn't mean to, he was welding a fuel tank...
 
2021-02-25 7:02:56 PM  
Uhh happy Engineer week?

/electricians to the real work. I bow to their skills.
 
2021-02-25 7:40:00 PM  
Looks like a giant crimp connector. No actual fusing occuring.

I own two different crimp connector tools. Neither uses explosives.
 
2021-02-25 7:48:33 PM  

Kerr Avon: Another use is explosive forming.

[YouTube video: Changing to a sphere with explosives. Explosive forming.]


i.imgur.comView Full Size
 
2021-02-25 8:21:17 PM  
Using explosives to assemble pieces of metal is old hat.
Fark user imageView Full Size
 
2021-02-25 8:50:09 PM  
this has been around for a while and is used for things like welding a stainless steel cladding to carbon streel.

https://en.wikipedia.org/wiki/Explosi​o​n_welding
In 1962, DuPont applied for a patent on the explosion welding process, which was granted on June 23, 1964 under US Patent 3,137,937[2] and resulted in the use of the Detaclad trademark to describe the process.
 
2021-02-25 9:16:28 PM  
CADWELD MULTI Demo
Youtube vOQasqz_8F8
 
2021-02-25 9:29:36 PM  

phishrace: Looks like a giant crimp connector. No actual fusing occuring.

I own two different crimp connector tools. Neither uses explosives.


Do you wish they did?
 
2021-02-25 9:40:56 PM  

scanman61: phishrace: Looks like a giant crimp connector. No actual fusing occuring.

I own two different crimp connector tools. Neither uses explosives.

Do you wish they did?


A handheld crimper that uses Ramset cartidges could be effective. No second chances on alignment though.
 
2021-02-25 10:43:42 PM  

ChiliBoots: scanman61: phishrace: Looks like a giant crimp connector. No actual fusing occuring.

I own two different crimp connector tools. Neither uses explosives.

Do you wish they did?

A handheld crimper that uses Ramset cartidges could be effective. No second chances on alignment though.


My crimpers are normally used on Metripack or Micropack terminals.  Explosive forming would be a bit much for those.
 
2021-02-26 9:58:19 AM  
Edgar K.B. Montrose likes this.
 
2021-02-26 10:11:26 AM  

phishrace: Looks like a giant crimp connector. No actual fusing occuring.

I own two different crimp connector tools. Neither uses explosives.


An actual crimp on transmission conductors wouldn't hold.. weight of the conductors and stress.. cadweld  wouldn't work either, due to loss of strength from molecular changes from the heat of the weld..  mechanical joining would be too bulky and add more weight to the cable.. implosion sleeves are a proven method that does work.
 
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