Why di I need a demagnetizer?????????????

LARRYZ10

LARRYZ10

Joined
Feb 6, 2010
Messages
1,427
Hi, I read that some knife makers love their demagnetizers.. When I was a stereo nut in the 1970s I had one for tape deck heads. I have put knife blades on my kitchen tile and had them rotate to kiss each other. Do I need a demagnetizer to stop my blades from this abhorrent behavior? If so, where do I buy one and which one should I get? Is this really a problem? Please clue me in because I don't get it. Thanks, Larry
 
If nothing else, in a knife shop it helps keep your work from attracting grit which can ruin the finish you work so hard on. No shortage of such grit in my shop, since I'm terrible about cleaning.
 
yeah if you grind a blade with a magnet holding device it magnetizes the crap out of the blade, then when you go to grind the bevels in you end up with a big clump of steel shavings that catches on fire and ruins the finish at finer grits, its better to just demagnetize them. no i dear where to get them. I got mine at a yard sale, any of them should do fine.
 
I made mine out of a small ac motor coil. Remove the armature, energize the coils and pass the blade through the coils.
 
I don't use mine for blades. I use it for all the other tooling in the shop that becomes magnetized over time.
Parallels and drill bits and screw drivers, etc. It's a bitch when every time you set something down it picks up metal swarf.
 
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