dowel spacing jig help needed - Router Forums
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post #1 of 36 (permalink) Old 01-14-2016, 06:59 AM Thread Starter
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Default dowel spacing jig help needed

I'll try to explain what I want to do.
Picture the router outfeed fence.
I dont want a sliding fence, I want a series of hole spacings in the top edge of my home made fence, that will allow me to just pull up the dowel slide the half fence along a bit and relocate it by pushing the dowel back into the next hole.

Sounds simple, and I think i could do that but heres where it gets complicated;
Imagine a set of (say) 4 holes, at different spacings, and a couple of holes in the fence, also at different spacings that would give me a lot of extra settings to adjust to.
I dont want a slot because when tightening the fence to the slot, the fence goes out of square to the table. My sliding fence is above the rigid fence height, and clips over the top.
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post #2 of 36 (permalink) Old 01-14-2016, 07:31 AM
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Morning Bob

I think I understand what you're saying, but can you post a picture of your fence so that we have a better ideal of what you're trying to do?

Some folks call me Vince - other folks call me...........
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post #3 of 36 (permalink) Old 01-14-2016, 07:57 AM
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Quote:
Originally Posted by sunnybob View Post
I'll try to explain what I want to do.
Picture the router outfeed fence.
I dont want a sliding fence, I want a series of hole spacings in the top edge of my home made fence, that will allow me to just pull up the dowel slide the half fence along a bit and relocate it by pushing the dowel back into the next hole.

Sounds simple, and I think i could do that but heres where it gets complicated;
Imagine a set of (say) 4 holes, at different spacings, and a couple of holes in the fence, also at different spacings that would give me a lot of extra settings to adjust to.
I dont want a slot because when tightening the fence to the slot, the fence goes out of square to the table. My sliding fence is above the rigid fence height, and clips over the top.
Bob
After thinking about this, I wonder why you would need "a lot of extra settings".
The outfeed fence should move in two directions:
1. left to right to accommodate different size bits.
2. forward and back to accommodate joining operations.

I would think that you only have to determine the size of your largest bit and plan the placement of your outfeed fence based on that. A couple of holes in your rigid fence and one hole in your sliding fence and there you go "Bob's your uncle" (pun intended)

Secondly, if you use dowels then how do you adjust for joining, unless you don't use your router for joining operations?

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post #4 of 36 (permalink) Old 01-14-2016, 09:37 AM
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Safe assumption the reason you want to move the fence is to make room for bigger bits...?

If so, the fence does not need to move a great deal...maybe 1 1/2"...?

It would seem that multiple holes in both your table's fence and your auxiliary fence would be overkill...maybe just one hole in your fence and 3 holes in the table's fence...?

What will you do for the infeed fence to match the outfeed...?

Might it be easier to fix whatever is wrong to your table's fence that it does not square when tightening the stock sliding fences...?

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Last edited by Nickp; 01-14-2016 at 09:38 AM. Reason: EDIT...Vince and I are typing at the same time again... :)
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post #5 of 36 (permalink) Old 01-14-2016, 10:54 AM Thread Starter
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I had to build a new fence because i had modified the old one once too often and it cracked.
So this Time I scrounged a metre of large window aluminium extrusion.
Now for the first time i know the fence is straight and rigid.

At this time, I'm just trying to get back up and running, so a forward back adjustment is for the future.

I think you are both right and I'm making this adjustment too complicated (its my only fault!) Yes I just want to keep the fence as close to whichever bit I'm using as possible, But the dowel no longer seems like a good idea.

By using this aluminium edge I have discovered a slight sag in the table from both ends to the router plate, so now I have had to adjust all that.
Then I had a brainwave and suddenly saw how to make my extraction blast gates more accessible. So I started off with a couple hours work and have only just finished 7 hours later.

Good job this is a hobby, I wouldnt work for the wages I pay.
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post #6 of 36 (permalink) Old 01-14-2016, 11:25 AM
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I can easily see a sliding mechanism Bob but with just using dowels I`m not sure that you could take any slop out of it. You could taper the dowel at the top but that wouldn't mean that the bottom is tight. You could maybe design the movable part as a dovetail joint but if it`s tight enough to avoid play then it might be hard to slide. My personal opinion is that slots and mechanical fasteners should still be the most accurate.
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post #7 of 36 (permalink) Old 01-14-2016, 12:30 PM
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So, Bob...the important point is you're still having fun...

Think of it this way...you have finished a whole day of work and some of us haven't even started...
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post #8 of 36 (permalink) Old 01-14-2016, 01:15 PM Thread Starter
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When i retired, i decided to start woodwork, mainly because all my life I had hated it. I needed a challenge.

I have had a hell of a challenge this last 18 months, but i dont give up easily.

By making my own jigs and workshop furniture as much as possible, repairing it or updating it when needed, I'm becoming averagely proficient.

Fun? I suppose it must be, because nobody is making me go out there for 7 hours in the winter.

Success? kinda, I have a few boxes that are allowed inside the house. But I still wouldnt try to sell them.

And yes, I'm 7 hours ahead of USA eastern time, so I've finished my day just as youre starting yours.
Come on man, keep up!
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post #9 of 36 (permalink) Old 01-14-2016, 01:56 PM
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Sorry Bob, I finally got smart enough not to accept challenges.

Someone I consider a master woodworker once told me that a master woodworker is not someone who never makes mistakes. He is someone who is able to cover them up so that no one can tell.
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post #10 of 36 (permalink) Old 01-14-2016, 02:37 PM Thread Starter
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I choose my challenges. A friend keeps telling me I should walk 6 miles a day. Another tries to get me to go running with him. A third is a 10 pints of beer a night socialiser.
Now THOSE are challenges I have no trouble giving up on!

But when a piece of machinery misbehaves... i just can not walk on by.
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