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Author Topic: Furry Edges  (Read 2485 times)

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Offline Kingmt

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Furry Edges
« on: October 18, 2015, 11:28:55 PM »
I'm new at milling so I don't know if this is common/normal or not. I'm milling pine. I use dish soap & water as my lube. The pitch is staying pretty well cleaned off my new 4░ Wood Maxx blade.

My wife asked why it was leaving the furry edge. I didn't have an answer for her. I've seen this on lumber before & also planned lumber I've sawed but I don't know what causes it. It doesn't bother me & doesn't hurt anything to build with it but I would like to be asked to give an answer other then maybe it is cold.
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Offline UpInATree

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Re: Furry Edges
« Reply #1 on: October 19, 2015, 12:07:05 AM »
Furry on the exit side of the cut?  If so, this can be from feed speed too fast for the sharpness of the blade. 
Wood-mizer LT70HD D55 Wireless, Wood-Mizer ED-26, A whole bunch of Stihls. Alaskan Mill 74",  Bucket Truck, Log Truck, Chippers, trailers, dump trucks,   Kubota M9540, L3010D and B7510. Cord King.   Learning Timberframing under Jim Rogers

Offline Kingmt

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Re: Furry Edges
« Reply #2 on: October 19, 2015, 12:15:59 AM »
Yes on the exit side. I thought I was going really slow.
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Offline Ox

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Re: Furry Edges
« Reply #3 on: October 19, 2015, 02:38:58 AM »
Happens a lot for me when sawing pine.  More so when the blade is duller.  Feed speeds don't seem to make much difference.  Some furry edge always seems to be there except around knots.  I just figure it's a pine thing.   :laugh:
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Offline bkaimwood

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Re: Furry Edges
« Reply #4 on: October 19, 2015, 06:37:47 AM »
Exit fray is more notable on softwoods, sometimes non existent on hardwoods.. While feed rates and blade sharpness impact it, even using the ideal new blade for what you are sawing and matching feed rate typically will not eliminate it. It has little to no impact on the quality of lumber, and is pretty much normal...production sawing with higher feed rates and more aggressive blades makes it worse...but, like I said, with it being pretty much normal, don't beat yourself up trying to eliminate it. If you want just experiment with different blades and feed rates...
bk

Offline Magicman

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Re: Furry Edges
« Reply #5 on: October 19, 2015, 08:07:30 AM »
Put a sharp blade on for comparison and see if there is any difference.
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Offline drobertson

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Re: Furry Edges
« Reply #6 on: October 19, 2015, 06:57:22 PM »
Not sure how furry is furry, but sharp blades with the right wood will still give ya the curls, at least for me, curls being fuzz as you mentioned.
only have a few chain saws I'm not suppose to use, but will at times, one dog Dolly, pretty good dog, just not sure what for yet,  working on getting the gardening back in order, and kinda thinking on maybe a small bbq bizz,  thinking about it,

Offline GDinMaine

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Re: Furry Edges
« Reply #7 on: October 19, 2015, 07:26:50 PM »
It will be "furry" and sometimes there is nothing you can do about it.  I see it happen when the logs are less then "fresh".  I could not make smooth lumber from year-old pine logs with a brand new blade that just came out of the box. It was not only producing the fraying on the exit, but on the surface of the boards as well. I tried WM 7░ and 9░ blades.
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Offline timberjackrob

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Re: Furry Edges
« Reply #8 on: October 19, 2015, 07:54:12 PM »
I have it quite a bit with poplar no problem with it in oak.
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Offline gfadvm

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Re: Furry Edges
« Reply #9 on: October 19, 2015, 08:44:31 PM »
"Exit fray" - I learned a new term today. I like it. Elm seems the worst of the hardwoods I cut for "exit fray". But I don't see it as a problem.

Offline Kingmt

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Re: Furry Edges
« Reply #10 on: October 19, 2015, 11:09:04 PM »
It doesn't bother me at all. I just didn't have a answer to the "why" when I was asked. I'm sawing pine I cut about a week before sawing. Once the bark is cut away I get 1-2" stipes hanging off the exit side of the lumber. I think they may have only been on the bottom side of the cut but I wasn't paying enough attention to it to know for sure.

I was just tickled that it was nice & smooth for the most part with no waves anymore. The stock blade was making wavy lumber.
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Offline 78NHTFY

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Re: Furry Edges
« Reply #11 on: October 20, 2015, 10:43:55 AM »
Also like the term "exit fray." ;D.  I cut a fair amount of WP -- typically see "EF" when pine is fresh and blades getting duller.  The drier the pine the less EF.  It had an effect on my work the other day when staining air dried ship lap for my barn: the EF was dry and tearing up my brush when I applied stain to the ship lap surface.  Not really a problem: just a pole barn! :).  Just part of the rough cut look of the wood surface.  All the best, Rob.
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Offline deadfall

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Re: Furry Edges
« Reply #12 on: October 20, 2015, 11:04:44 AM »



Exit Fray Happens
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Offline snowshoveler

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Re: Furry Edges
« Reply #13 on: October 21, 2015, 08:43:55 PM »
None of that nasty exit fray on a circle mill.
Just messin with you.
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Offline barbender

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Re: Furry Edges
« Reply #14 on: October 23, 2015, 09:56:19 AM »
I get more exit fray on pine with WM 7's  than I do with WM 10 's
Too many irons in the fire

Offline UpInATree

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Re: Furry Edges
« Reply #15 on: October 23, 2015, 07:43:17 PM »
So...if the circle mills don't get EXIT FRAY, is there something to do with the gullet size of the cutting blade?   Of is the cutting action of the circle mill different as it moves through the wood?
Wood-mizer LT70HD D55 Wireless, Wood-Mizer ED-26, A whole bunch of Stihls. Alaskan Mill 74",  Bucket Truck, Log Truck, Chippers, trailers, dump trucks,   Kubota M9540, L3010D and B7510. Cord King.   Learning Timberframing under Jim Rogers

Offline snowshoveler

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Re: Furry Edges
« Reply #16 on: October 23, 2015, 08:10:16 PM »
The gullet size is huge and I think the feet per minute is crazy high too.
That's why a circle mill needs big power.
I kind of cheat..my 4 side planer eats all my mistakes and also all the exit fray.
No evidence left at all.
Chris
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Offline Kingmt

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Re: Furry Edges
« Reply #17 on: October 24, 2015, 04:20:54 PM »
If if assume the circle blade sounds into the wood so it isn't pushing the fray or of the board like a band saw does. This is a little hard for me to put into words tho.
Sawmill=Harbor Freight Item#62366
Chainsaws=MS180CBE(14"), MS290(18"), MS038(20"), MS660(20" & 36")
Staff=1Wife & 5 Kids :)
Please excuse my typing. I don't do well at catching auto correct.


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