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Author Topic: Chip n saw  (Read 1217 times)

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Offline kelLOGg

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Chip n saw
« on: April 17, 2014, 10:13:50 PM »
Can anyone give me a link to see this in operation? A Google search showed a few Utubes but they wern't very revealing of the chippng and sawing operation.
Bob
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Offline beenthere

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Re: Chip n saw
« Reply #1 on: April 17, 2014, 11:07:49 PM »
I think there are a variety of "chip n saw", but the idea is to chip an outer profile and then remove dimension or boards with a band or circular blade.

Sometimes logs are presorted by size to go through the process set up for all the same pattern.

Summary here about where it all started.
http://www.forestnet.com/archives/Feb_05/sawmilling1.htm

Here is a youtube that shows some of the patterns possible using chippers to remove the wane edge to produce a profiled cant. At about 3 min there will be patterns illustrated.
south central Wisconsin
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Offline Ianab

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Re: Chip n saw
« Reply #2 on: April 17, 2014, 11:28:13 PM »
While it's hard to see exactly what is going on because of all the guards and machinery in the way, this clip shows it pretty well.



Small logs get fed in one end.
Instead of sawing slab wood off and dealing with that, they chip it on the spot, and it goes off via conveyor or suction.
This leaves a small cant that then gets re-sawn to make whatever, usually 2 x 4s. 2 or 3 of them in this case.

Idea is to process low value logs in the least possible time. Poke them in one end of the machine, chips come out one chute, boards come out the other end. A continuous operation. You can see the production they are getting by this sort of system. The logs are going through the machine about the same speed as a normal sawmill makes one cut. But it's one pass and the log is done.

Ian
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Offline kelLOGg

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Re: Chip n saw
« Reply #3 on: April 19, 2014, 05:28:42 AM »
Thanks,
I sorta thought safety features may impede the view but the diagram helped. (If I understood Japanese it would have helped more ;D. )
Bob
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Offline Magicman

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Re: Chip n saw
« Reply #4 on: April 21, 2014, 10:58:29 PM »
Here is a youtube that shows some of the patterns possible using chippers to remove the wane edge to produce a profiled cant. At about 3 min there will be patterns illustrated. 
  ここでは の一部を示す、パターン裁断機を使用してプロファイリング カントを生成するために衰退エッジを削除することが可能です。約 3 分で示すパターンになります。

That is what I thought.   :D
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Offline jwilly3879

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Re: Chip n saw
« Reply #5 on: April 28, 2014, 10:33:00 PM »
I read recently that some of the chip and saw operations are processing wood up to 13" diameter at almost 700 lineal feet per minute.


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