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Author Topic: Anatomy of chainsaw chain  (Read 8664 times)

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Offline Cut4fun

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Anatomy of chainsaw chain
« on: July 28, 2011, 08:41:48 pm »
Link to help the newer guys to understand chainsaw chain.

http://www.sawchain.eu/ANATOMY%20OF%20SAWCHAIN.pdf

Chain types, semi chisel, round chisel, square chisel etc. Full skip, Full comp, semi skip



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Offline Troutfisher

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Re: Anatomy of chainsaw chain
« Reply #1 on: August 03, 2011, 07:24:51 pm »
This could be a pretty cool thread, maybe we can get more in depth about what all those parts and pieces do in the cut....... anybody got some good pics of a cutter in "attack position"?
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Offline Cut4fun .

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Re: Anatomy of chainsaw chain
« Reply #2 on: August 03, 2011, 07:41:56 pm »
I know you know TF. 

Just a link to how a cutter works and some info on frozen wood cutting.

http://www.oregonchain.com/pro/pdf/maintenance_manual/ms_10.pdf

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Offline Troutfisher

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Re: Anatomy of chainsaw chain
« Reply #3 on: August 03, 2011, 07:48:39 pm »
Good Link Kevin, ya I've seen several pics like that before.  Here's something I don't really get...........
What makes the cutter come back from attack position? Why doesn't it stay there and pull a continuous chip all the way across the block?
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Offline Cut4fun .

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Re: Anatomy of chainsaw chain
« Reply #4 on: August 03, 2011, 07:53:48 pm »
Here is 33 pages on Carlton and some of it is explaining the rocking motion of the working chain.

 
How Saw Chain Cuts Wood
To help you properly maintain your Carlton Saw Chain, avoiding theproblems of poor maintenance and recognizing the wear patterns that can causesaw chain and guide bar failure, it is essential to first learn how saw chain cuts woodith your chain saw. You might be surprised to learn that a cutter tooth must actu-ally leave the guide bar to cut wood efficiently.All saw chain cuts with a rocking motion. When cutting properly, saw chainresembles a dolphin swimming in the ocean. As the cutter enters the wood, the“leading edge” starts to bite (#1) causing the cutter to rock back as far as the depth gauge will allow (#2). The cutter is now in the “attack position”. The cutter jumps off the guide bar and into the wood (#3).Chain tension and power from the saw pull the cutter back out of the woodand the severed chip exits from the underside of the cutter (#4). The cutter thenreturns to its original position (#5). Any condition that upsets this smooth and effi-cient rocking motion will have a negative effect on the life,performance and cutting efficiency of any saw ch

Need to let download.

http://www.scribd.com/doc/28466692/Carlton-Chain-sharpening-Complete-Book
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Offline CASE5854x4

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Re: Anatomy of chainsaw chain
« Reply #5 on: August 03, 2011, 08:35:22 pm »
Good explanation of how the chain "rocks" in and out of the cut.
Thanks for the link, good info.
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Offline Troutfisher

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Re: Anatomy of chainsaw chain
« Reply #6 on: August 03, 2011, 08:59:28 pm »
So,  the cutter rocks back as the corner touches the wood, but doesn't actually start cutting into the wood until the raker touches and stops the rocking motion? or does it start making a chip as soon as it touches the wood, and the rocking stops the cut?
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Offline Cut4fun .

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Re: Anatomy of chainsaw chain
« Reply #7 on: August 03, 2011, 09:08:05 pm »
Read the part on depth  gauges and pics 3 and 4 gouging into the wood it talks about. Never thought about that.  It's in those 33 pages to read.  ;D

Way over my simple pea brain but figured you had this all under control and would enlighten us.  ;)
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Offline CASE5854x4

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Re: Anatomy of chainsaw chain
« Reply #8 on: August 03, 2011, 10:58:06 pm »
The analogy of a dolphin swimming (leaping in & out of the waters surface), is how I picture the cutter "diving in & out of the cut".
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Offline Troutfisher

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Re: Anatomy of chainsaw chain
« Reply #9 on: August 04, 2011, 05:49:36 am »
Quote from: Chainsawrepair on August 03, 2011, 09:08:05 pm
Read the part on depth  gauges and pics 3 and 4 gouging into the wood it talks about. Never thought about that.  It's in those 33 pages to read.  ;D

Way over my simple pea brain but figured you had this all under control and would enlighten us.  ;)

Ya right, the more I learn the more I realize how much I don't know. 
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