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Thread: Offset Base on Plunge Router

  1. #1
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    Offset Base on Plunge Router

    Some gift items I have been making lately made me wish for an offset base plate on a plunge base. I had made an offset base plate and it fit this model router base but, was oriented wrong for what I wanted. I was going to drill an additional set of holes but, picked up this Rockler base on the cheap as it was missing a couple pieces that didn't matter to me.

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    The insert on this base sits over 1/32" shy of the base face(?) so I shimmed it out with some tape and an pieces of an old frequent flyer card.

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    These machined centering pins can really take your guided routing up a notch on detail work.

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    I center the base plate over the pin and mark the holes. I then drill a through hole and a counter bore to accept the screwhead.

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    The through hole and counter bore are over-sized to allow adjustment. Using the centering pin again I screw the base in place.

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    Now I can lower the motor with the usual grips and then move my right hand to the outboard handle position for better control over tipping. Any of you who have routed a juice groove in a cutting board or a piercing in the end of an A&C bookcase panel know that even a small tilt of the router spells disaster (or at least a very clever cover up).

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    The moral here is don't hesitate to make a modification if it will help you do things better, safer and more reliably. Most of all, have fun.
    Last edited by glenn bradley; 10-18-2013 at 12:27 AM.
    Any sufficiently advanced technology is indistinguishable from magic.
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  2. #2
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    where did you get the center tool glenn? to get the base centered is key on dovetails and in other applications as well
    If in Doubt, Build it Stout!
    One hand washes the other!
    Don't put off today till tomorrow!

  3. #3
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    Quote Originally Posted by larry merlau View Post
    where did you get the center tool glenn? to get the base centered is key on dovetails and in other applications as well
    That is a Whiteside Machine product. I have a couple of them that came as "precision sets" with the collar and the centering pin packed as a set that I got at one of the woodworking shows. Woodcraft and others carry them though. I use the 5/8" collar more than most. Not real expensive; especially after you booger up that one perfectly figured piece of material you were working on . So here's a juice groove, quick and easy with a good confident feel to the router as I was moving through it.

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    The board looks kinda freaky though the farther you step back from it

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    Last edited by glenn bradley; 10-18-2013 at 12:50 AM.
    Any sufficiently advanced technology is indistinguishable from magic.
    - Arthur C. Clarke

  4. #4
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    Yeah, I really like the pattern on that board.

    I've got a centering pin for my routers. Both ends are pointed; one is 1/2" diameter and the other is 1/4". I think it came from Peachtree, but I don't remember for sure.
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  5. #5
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    I love the look of that board. So far, I have been afraid to try a juice groove for fear I would mess up my board. Handles are another 'I'm skeered' thing too.
    Last edited by Ted Calver; 10-18-2013 at 01:22 AM.

  6. #6
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    wow that is hard on the eyes at a distant
    If in Doubt, Build it Stout!
    One hand washes the other!
    Don't put off today till tomorrow!

  7. #7
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    People don't really use these beautiful boards I keep seeing, do they? I mean they don't cut things on those and put wet stuff on them?! They are for hanging on the wall, right? That is one super cutting board.
    "We the People ......"

  8. #8
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    Wow, great pattern on that one Glenn. The offset is a great idea, need to consider building one for an upcoming project.
    Darren

    To a small child, the perfect granddad is unafraid of big dogs and fierce storms but absolutely terrified of the word “boo.” – Robert Brault

  9. #9
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    Re: Offset Base on Plunge Router

    Very cool breadboard Glenn. I too wonder if people actually get down to using a board like this. Do you also soak tour boards in mineral oil?

    I got a centering pin included in my milescraft sign kit i purchased from LV its needed for that use for sure but its plastic. I like those whiteside bits and like whiteside even more after that video of theirs. Looks like good old fashioned American quality we used to know the USA for. :thumbup:

    Sent from my MB860 using Tapatalk 2
    cheers

  10. #10
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    I do use mineral oil. I also have a collection of the cast metal and plastic centering tools/pins. None of these actually pass through the opening but rather, rely on a cove to kind of "seat" into the opening. They're fine for many things but, as Larry pointed out, if you find your router joinery coming out 'not quite right', check your bushings/guides. An alternative is to mark a point on the router base and always keep that point against the template. This becomes impractical when routing completely around something or when following more involved patterns. Machined guides and pins are not a requirement but, for fussy things a well machined and well centered guide can make things easier.
    Any sufficiently advanced technology is indistinguishable from magic.
    - Arthur C. Clarke

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