Cleaning cutters with fire? - Router Forums
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post #1 of 26 (permalink) Old 04-02-2016, 12:08 PM Thread Starter
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Default Cleaning cutters with fire?

Good day everybody!

I was recently reading about carbide rotary burrs.

One brand's recommended cleaning method was a propane torch. Said to hold torch flame to resin & wood buildup, get the metal to glow orange, let it cool, then use it on sacrificial stock to get the flakes out. Stated that a metal brush would be worse for the burr.

So I began wondering - do any of you actually use propane flames to clean cutting surfaces like table saw blades or router bits?

I recently cleaned up some of my 10' diablo blades with concentrated laundry detergent, followed by a towel and coat of boeshield. But a quick torching of the teeth would be so much easier.

My suspicion is that this generally isn't used because it'd harm the anti-friction coating on some of these cutters. But who knows, maybe buildup free metal is more slick than anti-friction coated edges with light buildup.

Thanks in advance, for any insight!
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post #2 of 26 (permalink) Old 04-02-2016, 12:41 PM
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no...
and you can't be serious...
you might want to abandon that flame cleaning notion and leave it to the shade tree crowd...
all you get from it is...

wasted money..
shortened tool life..
changed metal tempers...
brittle carbide...
exploding carbide..
compromised brazing..
warped plates...
flaking metal...
damaged finishes..
changed balances,...
misaligned center axis...
and a possible trip to the ER if one of the teeth on a blade or a cutter on a bit lets go because of brittleness or compromised brazing while in use...
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File Type: pdf Cleaning Blades and Bits.pdf (194.9 KB, 109 views)
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This would have been the week that I'd have finished chewing thru the restraints...
If only new layers hadn't been added....

Stick....
Forget the primal scream, just ROAR!!!
"SNORK Mountain Congressional Library and Taxidermy”
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post #3 of 26 (permalink) Old 04-02-2016, 12:44 PM
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Quote:
Originally Posted by creative View Post
Good day everybody!

I was recently reading about carbide rotary burrs.

One brand's recommended cleaning method was a propane torch. Said to hold torch flame to resin & wood buildup, get the metal to glow orange, let it cool, then use it on sacrificial stock to get the flakes out. Stated that a metal brush would be worse for the burr.

So I began wondering - do any of you actually use propane flames to clean cutting surfaces like table saw blades or router bits?

I recently cleaned up some of my 10' diablo blades with concentrated laundry detergent, followed by a towel and coat of boeshield. But a quick torching of the teeth would be so much easier.

My suspicion is that this generally isn't used because it'd harm the anti-friction coating on some of these cutters. But who knows, maybe buildup free metal is more slick than anti-friction coated edges with light buildup.

Thanks in advance, for any insight!
I would guess that the silver solder holding the carbide chip insert might melt or soften with too much heat.
Not something I would consider.

Herb
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post #4 of 26 (permalink) Old 04-02-2016, 12:49 PM
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I would guess that the silver solder holding the carbide chip insert might melt or soften with too much heat.
Not something I would consider.

Herb
another thing to consider is that heat is not any cutters friend...
even heat that isn't as hot as the propane torch...
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This would have been the week that I'd have finished chewing thru the restraints...
If only new layers hadn't been added....

Stick....
Forget the primal scream, just ROAR!!!
"SNORK Mountain Congressional Library and Taxidermy”
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post #5 of 26 (permalink) Old 04-02-2016, 01:11 PM Thread Starter
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Thanks Stick & Herb - I will definitely not be trying this now. Glad I asked!
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post #6 of 26 (permalink) Old 04-02-2016, 01:19 PM
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@creative ...

I like to see that article/recommendation...
got a link...

This would have been the week that I'd have finished chewing thru the restraints...
If only new layers hadn't been added....

Stick....
Forget the primal scream, just ROAR!!!
"SNORK Mountain Congressional Library and Taxidermy”
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post #7 of 26 (permalink) Old 04-02-2016, 02:13 PM
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@creative ...

I like to see that article/recommendation...
got a link...
I wouldn't post a link. Someone might follow this advice and get themselves hurt at worst, or destroy the tool at the least.

I don't know of anyway to sharpen a burr or rotatory cutter without specialize equipment. The best you can do is clean it. heating it IS NOT the way.

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post #8 of 26 (permalink) Old 04-02-2016, 02:20 PM Thread Starter
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*NOTE TO ANYONE READING THIS, LISTEN TO STICK AND NEVER CLEAN TOOLS WITH FIRE - VERY DANGEROUS*

@Stick486 - this is where the bad info came from: https://youtu.be/1fFeJsSewjU?t=3m36s
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post #9 of 26 (permalink) Old 04-02-2016, 02:58 PM
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Ive got some of those burrs and haven't had a problem with them getting gummed up. But I only use them on dry wood, haven't tried them on green wood. Still not convinced it is the way to go.

Herb
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post #10 of 26 (permalink) Old 04-02-2016, 03:00 PM
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I would NEVER buy another bit from any manufacturer who would recommend such practices.
SCARY!!!!

Good job Stick!!
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Frank

I may not know what I'm doing, but I am having fun doing it wrong!!

Happy Day Veterans!!
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