Half Fence For Table Saw Ripping - Router Forums
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post #1 of 46 (permalink) Old 12-16-2017, 06:39 PM Thread Starter
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Default Half Fence For Table Saw Ripping

I just came across a table saw technique that I was unaware of.......use of a Half Fence. An article I saw said that Half Fences are a common feature on European table saws. To simulate the Half Fence on a Full Fence table saw a flat board is clamped to the rip fence...the board extends from the front end of the rip fence to the midpoint of the saw blade. Anybody tried it?
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post #2 of 46 (permalink) Old 12-16-2017, 06:50 PM
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I think a half fence for cross cuts is a good idea (think Delta's UniFence that has the ability to slide backwards), but a half fence for ripping? What happens when your wood gets past the half way point and suddenly dives to the right because there's nothing to support it? There's a possibility that your piece would then ride up on the blade. You want a solid fence to support your piece all the way through a rip cut.
That's my opinion only - others may chime in and tell me I'm all washed up.
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post #3 of 46 (permalink) Old 12-16-2017, 07:32 PM
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For ripping? Sounds like a bad idea to me. Certainly for cross cuts where you don't want a small cutoff piece trapped against the fence. But you only need a piece for what is really serving as a stop block. Rockler sells a nifty little clamp to hold the block against the fence.

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post #4 of 46 (permalink) Old 12-16-2017, 08:33 PM
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All of of the European Table Saws that I have seen in Germany were sliding to meet some requirement. They had a Festool sliding table saw. 12 years since I have been there.
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post #5 of 46 (permalink) Old 12-17-2017, 07:10 AM
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Quote:
Originally Posted by vchiarelli View Post
I think a half fence for cross cuts is a good idea (think Delta's UniFence that has the ability to slide backwards), but a half fence for ripping? What happens when your wood gets past the half way point and suddenly dives to the right because there's nothing to support it? There's a possibility that your piece would then ride up on the blade. You want a solid fence to support your piece all the way through a rip cut.
That's my opinion only - others may chime in and tell me I'm all washed up.

Yes you are washed up! By the time the wood meets the blade the fence has done it's job. Past the midpoint of the blade it only serves to create a trap to push reaction wood against the back of the blade so that it may be shot back toward the operator.
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post #6 of 46 (permalink) Old 12-17-2017, 08:02 AM
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Hi, Im in the uk and anything but expert, but I cannot say Ive ever seen the type of fence you describe, lots of the small "contractor" saws seem to have quite a short fence but I think they still extend well beyond the blade, and Ive tended to think that this was to create a simple fence that was just clamped at one end, and which Ive heard people complaining about as being a bit too flexible.
Ive been thinking about fences lately because I have an extreamly basic home made sawbench, the fence being just a piece of very shallow steel channel, its 2" wide x perhaps 3/8" high, now there have been times when I would have liked a bit more height but more often than not I actually
like being able to guide the wood along the fence and whilst I have to be very carefull, its been enough to stop me making anything taller, I suppose its what you get used to.
Btw my fence is "loose" at both ends, a clamp at one end and a wing nut at the other, and I sight it useing lines scribed into the MDF top,,but I have to say I would not attempt the sort of projects you chaps take on.
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post #7 of 46 (permalink) Old 12-17-2017, 08:08 AM
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post #8 of 46 (permalink) Old 12-17-2017, 08:29 AM
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Not sure a half fence would work well with grr-rippers


In woodworking there is always more then one way to accomplish something.
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post #9 of 46 (permalink) Old 12-17-2017, 09:11 AM
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Really hard to cut dados or any cut that does not go all the way through the board.

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post #10 of 46 (permalink) Old 12-17-2017, 10:51 AM
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Jim; I'm on your team! In spite of what Rob says, If I'm running a large panel through the saw I want it supported ALL THE WAY THROUGH ITS LENGTH!
To say that a 4x8 sheet won't move left to right, just because a 10" section is interacting with the blade is a fantasy.
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