De-magnetize part after surface grinding with AC tig?

[Jon K]

Hey guys - crazy question. Trying to figure out a quicker easier way to de-magnteize some parts that I had machined. They were machined on a magnetic base table so they have become magnetized. I read that you can de-magnetize with heat (very hot, too hot for these parts), hammering (out, I need to preserve the finish on these), or AC current. The only thing I could think of that had decent AC generation was my TIG welder lol.

Could I hit my TIG welder to these steel pieces just to let it flail the arc around on the non critical surfaces to de-magnetize? Or, does it require the AC magnetic field of an AC source? Bah!

Any ideas?

[papaharley03]

Find or make a degaussing coil like the ones they used on CRT tv sets before the sets had the coil built in. Or, find a bulk magnetic tape eraser which does the same thing but was made for use on open reel tapes.

Papa

[Bob_C]

Several years ago I was able to degause a large CRT monitor with a Weller soldering gun. I just turned the gun on and passed it slowly around the monitor about an inch or two from the screen for 2-3 min. It worked like a charm.

I don't know if it would work for your problem but its worth a try.

Bob

[killdozerd11]

They have de magnetizer's usually in the shop were the do surface grinding
cause you do that right after your done grinding the part

I always hated that thing because of the 60 cycle hum it gives off ...been shocked one to many times