Saw-Chain Dulling Far Too Soon

 
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Old 12-30-2017, 11:52 AM   #21
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Re: Saw-Chain Dulling Far Too Soon


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If that photo shows your normal chain tension, you're running it too loose...How are you filing the gage teeth (sometimes called raker teeth)?
Usually tighter than that, getting ready to pull this one.

Someone sharpens for me...down at the dealer.
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Old 12-30-2017, 12:32 PM   #22
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Re: Saw-Chain Dulling Far Too Soon


I wouldn't worry that the chain may have gotten hot, It's just not an issue. Normally a chain would be shop sharpened periodically, but hand filed for touch up every tank of gas with the chain on the saw. Trees that lay around can dull a chain on less than a tank of gas.

When you take the chain for sharpening, tell the guy you're cutting frozen ash, or what ever you're cutting, and ask him if he can adjust the angles.
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Old 12-30-2017, 01:36 PM   #23
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Re: Saw-Chain Dulling Far Too Soon


Switch to a semi-chisel tooth or a even no chisel tooth chain for dry seasoned hardwoods.

File a slightly less aggressive "rake " angle, cuts a little slower at first, but wears much longer...

More bar oil, it is cheap, turn the oiler up to where it almost runs out with the gas....

Roll the bar every time you sharpen/ change the chain.... file the bar every time square and burr free.....

Use a Peavey to raise the logs out of the dirt.
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Old 12-30-2017, 02:21 PM   #24
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Re: Saw-Chain Dulling Far Too Soon


Chain saws throw sparks. You are talking metal on metal at fairly high speeds. Occasionally there will be sparks. Not uncommon to start forest fires cutting.

Carefully inspect the bar for damage. Check the trough for gap the entire distance. Manually pull the chain around slowly feeling for any resistance. File any burrs down. Replace the bar if it is heavily worn.

How much oil is left in the tank after the fuel is burned up? Turn the oil up and as suggested switch to a lighter oil in the winter.

What type of a chain are you using? Personally I like the Stihl chains that have the oil holes in them. Either a skip tooth on a large bar, or a semi chisel for 20" and below bars. No stupid safety chains.
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Old 12-30-2017, 02:35 PM   #25
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Re: Saw-Chain Dulling Far Too Soon


Dry wood will dull a chain far faster than fresh, green wood.

Wood that has been laying on the ground will invariably pick up dirt.

A dull chain, dry wood, hardwood, or rocks and dirt, can all make a chain spark.

The oil should be filled every time you fill the fuel. And as Peter said, safety chains suck.



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Old 12-30-2017, 02:44 PM   #26
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Re: Saw-Chain Dulling Far Too Soon


Seems like an awful lot of barwork to me. I only file the bar if there is a problem.

Rolling or flipping depends a lot on how much I'm using the top of the bar.
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Old 12-30-2017, 03:08 PM   #27
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Re: Saw-Chain Dulling Far Too Soon


I'm a big proponent of hand filing your own chains. You can adjust angles and depth gages almost real time. On my small saw, I can almost double the hardwood cutting speed by customizing the sharpening. I'm not as aggressive on the big saw, because I can run into saw control issues.

As an aside, you can get a sharpening to last longer if you cut some softwood That's easy to cut before diving into hardwood right after sharpening.
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Old 12-30-2017, 03:51 PM   #28
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Re: Saw-Chain Dulling Far Too Soon


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Originally Posted by hdavis View Post
I'm a big proponent of hand filing your own chains. You can adjust angles and depth gages almost real time. On my small saw, I can almost double the hardwood cutting speed by customizing the sharpening. I'm not as aggressive on the big saw, because I can run into saw control issues.

As an aside, you can get a sharpening to last longer if you cut some softwood That's easy to cut before diving into hardwood right after sharpening.
We are definitely on the same wavelength - Was planning on hitting up the easier stuff that's already out in the open near the stack, then on to the tougher stuff at the end to prolong the chain.. Once I get my chain back, tues. Lugging the heavier rounds up the slick slope is one physical task (recipient of the free wood will be splitting it, somebody that can definitely use it over the cold months).

[ This is a holiday project many of us can do, with some slack time. There's enough downed-ash or about to be in different parts of the country and disabled and other people with wood stoves and burners can use it for heating inside their homes in the winter mo.'s. While owners need it cleared off. Simply find it and place an ad. They will call. In many parts the price of wood has shot up. Be prepared though some may not have trucks. ]

Shopping a new chain today I noticed the big boxes & local hardware switched out inventory, to generic chains..."Oregon, etc". No more Stihl. Will have to go dealer direct.

Last edited by artinall; 12-30-2017 at 04:26 PM.
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Old 12-30-2017, 04:26 PM   #29
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Re: Saw-Chain Dulling Far Too Soon


FWIW, Oregon is a decent chain.
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Old 12-30-2017, 06:21 PM   #30
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Re: Saw-Chain Dulling Far Too Soon


Yep, I've used many Oregon chains over the years. No complaints.

While always buying OEM is generally the safest route without doing a boatload of homework, it usually comes with a price penalty.
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Old 12-30-2017, 06:34 PM   #31
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Re: Saw-Chain Dulling Far Too Soon


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Originally Posted by hdavis View Post
If that photo shows your normal chain tension, you're running it too loose.
that staement is not necessarily true
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Old 12-31-2017, 08:47 AM   #32
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Re: Saw-Chain Dulling Far Too Soon


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Originally Posted by Tinstaafl View Post
Can't say I've ever gotten a chain hot enough to lose its temper, but I guess it's conceivable. Especially if it's not oiling well.

If you're throwing sparks, it's because of a foreign substance embedded in the wood. Outside of nails or screws, that could be dirt and small stones drawn upward by the trunk as it grows. Not usually a problem more than 2-3' from the ground.
If you did it would have freaking flames coming from the chain oil.
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Old 12-31-2017, 10:15 AM   #33
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Re: Saw-Chain Dulling Far Too Soon


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Wow, I never heard that before. I didn't think Osage was all that hard as I've cut harder woods and never witnessed sparks flying. When Osage burns it'll throw sparks form combustion, terribly, and it burns super hot but I never knew it throws sparks when cutting it.

Dry hedge is far far harder than green hedge. Green hedge cuts similar to oak or other woods. Dry hedge will damn sure dull a chain quickly & very likely throw sparks. I've seen it first hand.
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Old 12-31-2017, 11:09 AM   #34
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Re: Saw-Chain Dulling Far Too Soon


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...Dry hedge will damn sure dull a chain quickly & very likely throw sparks. I've seen it first hand.
Which is close to what I previously told my Stihl dealer, who said they've never heard of it with a bit of some implication. Makes me question them.
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Old 12-31-2017, 11:31 AM   #35
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Re: Saw-Chain Dulling Far Too Soon


It's one of those "seeing is believing" things. The first time you see it, it's like... "WTF!"
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Old 12-31-2017, 11:39 AM   #36
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Re: Saw-Chain Dulling Far Too Soon


Anyone who hasn't seen a saw throw sparks hasn't cut much, or only cuts in the bright sun and just hasn't seen it. My Stihl power pruner throws sparks. I usually see sparks in the evening.

This is cutting cedar and Doug Fir.

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Old 12-31-2017, 12:29 PM   #37
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Re: Saw-Chain Dulling Far Too Soon


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...My Stihl power pruner throws sparks. I usually see sparks in the evening.

This is cutting cedar and Doug Fir.
Taking it out tonight to help celebrate?
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Old 01-14-2018, 02:44 PM   #38
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Re: Saw-Chain Dulling Far Too Soon


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http://www.wood-database.com/osage-orange/


It will when it's dried out for a few years, as will locust.


Yup ! So will Hackberry
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Old 01-14-2018, 02:52 PM   #39
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Re: Saw-Chain Dulling Far Too Soon


A loose chain,will tend to lay over,putting excessive wear on the groove in bar. The chain also will not cut properly. If the bar groove is worn,there is a roller tool that can re size it quickly,it squeezes the groove tighter.
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Old 01-14-2018, 04:39 PM   #40
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Re: Saw-Chain Dulling Far Too Soon


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A loose chain,will tend to lay over,putting excessive wear on the groove in bar.
You can also get sparks when the chain lays over.

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