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Grinding disc that does not heat the metal

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Forum topic by loiblb posted 01-24-2017 04:01 AM 970 views 0 times favorited 8 replies Add to Favorites Watch
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loiblb

141 posts in 894 days


01-24-2017 04:01 AM

This may be a way to not lose temper in some cases

http://www.finehomebuilding.com/2017/01/18/far-better-abrasives


8 replies so far

View waho6o9's profile

waho6o9

8032 posts in 2415 days


#1 posted 01-24-2017 04:05 AM

Amazing

View DirtyMike's profile

DirtyMike

637 posts in 740 days


#2 posted 01-24-2017 04:14 AM

In a year harbor freight will have a 10 pack for 10 bucks.

View AZWoody's profile

AZWoody

1138 posts in 1062 days


#3 posted 01-24-2017 04:56 AM

That’s a game changer

View Rick_M's profile

Rick_M

10634 posts in 2218 days


#4 posted 01-24-2017 06:25 AM

About $9/disc on Amazon, not cheap. Might be worth having one around for grinding tempered metal.

-- http://thewoodknack.blogspot.com/

View woodbutcherbynight's profile

woodbutcherbynight

3647 posts in 2247 days


#5 posted 01-25-2017 03:09 AM

Interesting

-- Live to tell the stories, they sound better that way.

View oldnovice's profile

oldnovice

6433 posts in 3206 days


#6 posted 01-25-2017 06:19 AM

Leave it to 3M, they are always coming up with outstanding products.
However, this one is kind of abrasive!

-- "I never met a board I didn't like!"

View Dark_Lightning's profile

Dark_Lightning

2920 posts in 2947 days


#7 posted 01-25-2017 02:25 PM

I’d like to know the physics behind not heating the bolt when grinding off the metal. Removing the metal quickly isn’t a way to keep it cool, in my experience. I’ll wait for more evidence.

-- Random Orbital Nailer

View Rick_M's profile

Rick_M

10634 posts in 2218 days


#8 posted 01-25-2017 05:44 PM

Isn’t the heat just friction between cutting material and metal? So the faster it cuts, the less contact time between abrasive and steel. Seems like that would reduce heat.

-- http://thewoodknack.blogspot.com/

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