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  1. 4th November 2023, 12:03 PM #1
    rogerwilco
    rogerwilco is offline Senior Member
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    Default dog holes for end vice

    I've made this little beauty a few years ago, but haven't yet gotten around to putting dog holes in the top.
    IMG_0830.jpg

    I'm left handed, but I'll probably put a row of dog holes up both sides of the bench so I can clamp boards for planing. One day I might put a front vice on the right side of the bench, mostly for holding longer boards for edge planing. If I do, a few dog holes running the other is probably a good idea.

    So, I've been stuck on the 19mm (3/4") vs 20mm hole decision. I already have a few 20mm dogs for an MFT style assembly table. But I did read somewhere that dogs for an end vice on a hand tool bench ought to be skewed a few degrees in opposing direction of clamping force. Presumably this provides a pincer action that keeps the board down and prevents 'popping out' of the dogs when using too much force.

    Sensible. I guess it means I should go traditional 19mm, and accept that my 20mm dogs won't be compatible. I don't have tonnes of them anyway. I think I can live with that. Or at least I can certainly live with it more than putting 20mm holes in the bench only to find that they don't work how I want it to...

    I'm I right about this?

    As for equipment, I think all I'll need is a set of traditional hold downs, some planing stops (I'll probably make those myself with some hardwood), and a couple of brass dogs for end vice clamping.

    Tell me things!
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  3. 4th November 2023, 12:22 PM #2
    rogerwilco
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    Default

    Or I 'spose I could get best of both worlds using something like veritas prarie dogs... those have the clamping face of the dog angled at 2 degrees, designed to work in dog holes that are perpendicular to the benchtop.

    They also have a surface clamp for 20mm holes, which would do the same job as a traditional hold down, and perhaps useful for other applications too.

    Perhaps that's best of both worlds?

    Gah, these kinds of decisions are always difficult.
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  4. 7th November 2023, 06:22 PM #3
    rogerwilco
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    For anyone following along, I chose 3/4 inch holes, drilled perpendicular to bench. I’ll use Gramercy holdfasts, and a set of bench dogs with a 2 degree angle on the face.

    this should work!
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  5. 8th November 2023, 09:45 AM #4
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    NCArcher
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    I've been using that system for years and wouldn't change it. It just works. I've got Prarie Dogs in areas that are blocked underneath and they work great.
    Those were the droids I was looking for.
    https://autoblastgates.com.au
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  6. 8th November 2023, 10:43 AM #5
    rogerwilco
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    Thanks mate. The main confusion I had was from hearing that some folks drill dog holes on the angle.
    I'd much rather have perpendicular holes!

    I've heard mixed reviews about veritas surface clamps. Bit finicky. Looking forward to getting acquainted with holdfasts!
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  7. 8th November 2023, 01:13 PM #6
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    orraloon
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    Mine are also perpendicular round 3/4'' with wooden dogs. Slight angle on the face of the dogs and they work fine. Holes can also be used for holdfasts. Cost nothing as well. The 2* lean is for square dogs and those square holes will not be doubling as holdfast holes in any case.
    Regards
    John
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  8. 12th November 2023, 01:17 PM #7
    rogerwilco
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    Alright. I'm ready to plunge these holes. See pics for the plan. I think it works, but if you know better, please tell me.


    • Row of dog holes for use as a tail vice.
    • Two rows of holes for holdfasts, spaced so they reach the edge of the bench with a little bit of overlap in the centre.
    • Couple stopped holes in jaw so that I can use any set of holes with brass dogs.
    • And a couple holes on the front legs and apron, to hold pieces for edge planing.


    This was actually quite hard to figure out. The bench is very compact, there's also a lot of hardware under the bench with the twin screw vice, and the aprons get in the way. I don't want any stopped holes at all, because I know they collect junk. With this configuration, every hole goes through, but most of the front row can't be used for holdfasts, because the apron is in the way.

    B955A992-C3F8-4129-9E1E-C7422EBB5CFA.jpg 9BB4E3EF-FB57-412F-8780-DA628FEA63DA.jpg
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