View Full Version : Colliding Super Strong Magnets in 240fps slowmo (Neodymium)
JRD77VET
05-20-2016, 8:42pm
Colliding Super Strong Magnets in 240fps slowmo (Neodymium) - YouTube
JRD77VET
05-20-2016, 9:19pm
That is oddly satisfying. :D
:iagree: It also makes sparks when they break from impact http://img.photobucket.com/albums/v78/JRD77VET/gif/20s.gif~original
Datawiz
05-20-2016, 9:39pm
:cool:
OddBall
05-20-2016, 10:55pm
Those things will pinch the livin' shit out of you, and drawl a bood-blister.
Take a wild-assed guess how I know this. :Jeff '79:
JRD77VET
05-21-2016, 7:16pm
Those things will pinch the livin' shit out of you, and drawl a bood-blister.
Take a wild-assed guess how I know this. :Jeff '79:
lemme guess .... you read it in a book?
:rofl:
:leaving:
Thunder22
05-21-2016, 7:43pm
lemme guess .... you read it in a book?
:rofl:
:leaving:
he can read? :)
:leaving:
:rofl:
OddBall
05-21-2016, 9:28pm
lemme guess .... you read it in a book?
:rofl:
:leaving:
:funnier:
he can read? :)
:leaving:
:rofl:
:funnier:
CertInsaneC5
05-22-2016, 5:18am
I work with those types of magnets all the time. A few fun facts you may or may not know.
250 lb. pull (strength) and greater magnets cannot be put on a plane and must be shipped by ground. They can mess with the avionics.
If you wear a Rolex or similar mechanical movement watch. Never, ever, get it near a strong magnet. It will stop working, forever. There is no fixing it.
Magnetism is black magic. You can't see it, smell it, touch it or taste it. All you can do is observe its affects. And even then its a crap shoot if you can get the right readings on its field strength and density (those are independent of each other BTW) depending on the environment the readings are being taken in. :cert:
JRD77VET
05-22-2016, 7:19pm
I work with those types of magnets all the time. A few fun facts you may or may not know.
250 lb. pull (strength) and greater magnets cannot be put on a plane and must be shipped by ground. They can mess with the avionics.
If you wear a Rolex or similar mechanical movement watch. Never, ever, get it near a strong magnet. It will stop working, forever. There is no fixing it.
Magnetism is black magic. You can't see it, smell it, touch it or taste it. All you can do is observe its affects. And even then its a crap shoot if you can get the right readings on its field strength and density (those are independent of each other BTW) depending on the environment the readings are being taken in. :cert:
A "few" years back we did a job for a drilling company that used four magnets approximately 2" wide, 1" thick and about 8" long. They were in a stainless steel alloy casing and had to be welded together for the unit to work properly.
We had our best welder attempt to TIG weld the seam on a 500 amp TIG welder ( the part was 6" in diameter ). The extremely strong magnetic field basically laughed at the arc and about all that happened was something resembling ball lightning. :willy: They ended up sending them out for laser welding.
After welding I had to turn the OD so they were a nice match between the two pieces. The manual lathe had to cleaned of all steel chips and no loose parts could be within 6' of the lathe. One guy operated the crane with I steered the part to the chuck. I had to firmly hold the part while he tightened the chuck and brought in the tailstock with the live center. We made our own non magnetic "micrometer" for measuring the diameter. ( it looked like a mic with no graduations. We used an inside away from the part to measure the diameter )
We also had to over tighten the gibs on the lathe carriage as the force of the magnet lifted the 300+ lb carriage.
When we were doing the third run, we heard that the person assembling them to be send out for welding didn't have the safety thru bolting system on correctly and the magnets forced the ends out with him loosing the ends of four fingers :sadangel:
CertInsaneC5
05-22-2016, 7:49pm
A "few" years back we did a job for a drilling company that used four magnets approximately 2" wide, 1" thick and about 8" long. They were in a stainless steel alloy casing and had to be welded together for the unit to work properly.
We had our best welder attempt to TIG weld the seam on a 500 amp TIG welder ( the part was 6" in diameter ). The extremely strong magnetic field basically laughed at the arc and about all that happened was something resembling ball lightning. :willy: They ended up sending them out for laser welding.
After welding I had to turn the OD so they were a nice match between the two pieces. The manual lathe had to cleaned of all steel chips and no loose parts could be within 6' of the lathe. One guy operated the crane with I steered the part to the chuck. I had to firmly hold the part while he tightened the chuck and brought in the tailstock with the live center. We made our own non magnetic "micrometer" for measuring the diameter. ( it looked like a mic with no graduations. We used an inside away from the part to measure the diameter )
We also had to over tighten the gibs on the lathe carriage as the force of the magnet lifted the 300+ lb carriage.
When we were doing the third run, we heard that the person assembling them to be send out for welding didn't have the safety thru bolting system on correctly and the magnets forced the ends out with him loosing the ends of four fingers :sadangel:
:ohnoes:
I can easily see that happening. It's either no problem handling them or all of the sodden there is a BIG problem.
I would have loved to see that TIG flare up! That had to be epic. :funnier:
JRD77VET
05-22-2016, 7:56pm
:ohnoes:
I can easily see that happening. It's either no problem handling them or all of the sodden there is a BIG problem.
I would have loved to see that TIG flare up! That had to be epic. :funnier:
It was TIG but even at full pedal at 500 amps ( that was using a 1/4" tungsten ), all that happened was a scattering arc. It would sort of light and then just get blown off the part. The welder was beyond befuddled. He had all kinds of certs ( nuclear, aircraft, pipe ) It really didn't make much of a mark on the part either.
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