Author Topic: Bench Dogs with no neck?  (Read 1844 times)

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Offline Dusty.Tools

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    • Dusty.Tools
Bench Dogs with no neck?
« on: August 04, 2019, 10:55 PM »
Hi All,

Can anyone recommend an economical source for bench dogs, with a threaded hole with no neck? In theory I could buy some bar stock but I would like them to be snug, so 19.90mm and 3/4" long. I haven't been able to find a good source.

Cheers

Ben

@dusty.tools

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Offline TSO Products

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Re: Bench Dogs with no neck?
« Reply #1 on: August 04, 2019, 11:03 PM »
Ben,
what or how exactly would you use such a configuration for?
Some of our existing Dog sizes could be parted off without a collar in a lathe to the length you need.

Hans
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Home of the GRS-16 and GRS-16 PE  plus TPG Parallel Guide -  the MTR-18 Triangle - TDS-10 Dog Stop and GRC-12 Guide Rail Connector; Work Holding solutions plus AXMINSTER UJK in the USA

Offline Dusty.Tools

  • Posts: 149
    • Dusty.Tools
Re: Bench Dogs with no neck?
« Reply #2 on: August 05, 2019, 12:46 AM »
Ben,
what or how exactly would you use such a configuration for?
Some of our existing Dog sizes could be parted off without a collar in a lathe to the length you need.

Hans

Hi Hans,

I am planning to bolt two of them on to some aluminum extrusion, to create a fence. In theory they don't need to be tight. So I could use some 3/4 stock, but it'd be nice to have them tight then I don't need to tighten them from under the table.

Yes cutting the top off something like a DoubleGroove would work, I'm hoping to find something cheaper than $10/each. I need at least 10 of them.

I have some UJK Technology Parf Anchor Dogs, but I'd like to have it complete flat on the table.

Ben
@dusty.tools

Offline DynaGlide

  • Posts: 508
Re: Bench Dogs with no neck?
« Reply #3 on: August 05, 2019, 06:56 AM »
@Dusty.Tools There were some being created as one offs for the Track Tubes project but I believe that is put on hold. @Grev May be able to chime in. For commercially made I don't think you're going to go much less than $10/ea.
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Offline infer

  • Posts: 68
Re: Bench Dogs with no neck?
« Reply #4 on: August 05, 2019, 07:52 AM »
UJK Bench anchors. From Axminster tools UK. If you add a chamfer the dogs sit flash
« Last Edit: August 05, 2019, 07:56 AM by infer »

Offline Mike Goetzke

  • Posts: 373
Re: Bench Dogs with no neck?
« Reply #5 on: August 05, 2019, 08:28 AM »
@Dusty.Tools There were some being created as one offs for the Track Tubes project but I believe that is put on hold. @Grev May be able to chime in. For commercially made I don't think you're going to go much less than $10/ea.

+1 I have 6 of them.

Don't know if you have access to a metal or wood lathe but I have made a few on my wood lathe out of Delrin that fit nice and tight (use a negative rake carbide cutter for this material - this first one is a little rough and the neg-rake one is nice and smooth).

Mike
« Last Edit: August 05, 2019, 12:29 PM by Mike Goetzke »

Offline hdv

  • Posts: 75
Re: Bench Dogs with no neck?
« Reply #6 on: August 05, 2019, 09:38 AM »
You might want to take a look at the Veritas Platform Saddles. See this webpage. The removable posts are what I use in such situations as yours. The fit quite nicely in my Sjögren's, but due to the flexible wings will also fit 20 mm holes. Compared to other solutions they are cheap (about $12 per set of 4).

Offline ben_r_

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Re: Bench Dogs with no neck?
« Reply #7 on: August 05, 2019, 01:09 PM »
You mean youre looking to make something like this? (LINK)


If at first you don't succeed, redefine success!

Offline Mike Goetzke

  • Posts: 373
Re: Bench Dogs with no neck?
« Reply #8 on: August 05, 2019, 02:53 PM »
You mean youre looking to make something like this? (LINK)




I think he is looking for the special "stubby" dogs that Glenn offered at one time (see my post above). There is a t-track in the top of the TrackTube and it accepts the head of the bolt that is threaded into the dog. It is used to locate/fix an MFT slab to the TrackTube.

Mike

Offline box185

  • Posts: 82
Re: Bench Dogs with no neck?
« Reply #9 on: August 05, 2019, 03:33 PM »

Offline Michael Kellough

  • Posts: 4265
Re: Bench Dogs with no neck?
« Reply #10 on: August 05, 2019, 05:20 PM »
I have some nice white Delrin dogs that fir my MFTs very nicely but I’ve no idea where they came from. Delrin seems like a perfect material for this use.

Offline Grev

  • Posts: 144
Re: Bench Dogs with no neck?
« Reply #11 on: August 05, 2019, 06:41 PM »
@Dusty.Tools There were some being created as one offs for the Track Tubes project but I believe that is put on hold. @Grev May be able to chime in. For commercially made I don't think you're going to go much less than $10/ea.

I do have some dogs left over.  They are aluminum and sized to fit in a Festool MFT top snugly. Lengths are 18.5, 36, and 60.95 mm.  I use these for a variety of special templates, jigs and fences.  The 18.5 and 36 mm lengths have a 1/4"-20 thread all the way through.  The 18.5 also has a slot in one end so it can be tightened with a coin or tool (this was for a special use).  The 60.95 length has a 1/4"-20 thread about 1/2" deep on only one end.  PM or email me if interested.

Offline Dusty.Tools

  • Posts: 149
    • Dusty.Tools
Re: Bench Dogs with no neck?
« Reply #12 on: August 05, 2019, 09:47 PM »
@Dusty.Tools There were some being created as one offs for the Track Tubes project but I believe that is put on hold. @Grev May be able to chime in. For commercially made I don't think you're going to go much less than $10/ea.

I do have some dogs left over.  They are aluminum and sized to fit in a Festool MFT top snugly. Lengths are 18.5, 36, and 60.95 mm.  I use these for a variety of special templates, jigs and fences.  The 18.5 and 36 mm lengths have a 1/4"-20 thread all the way through.  The 18.5 also has a slot in one end so it can be tightened with a coin or tool (this was for a special use).  The 60.95 length has a 1/4"-20 thread about 1/2" deep on only one end.  PM or email me if interested.
That’s exactly what I’d like :)

I have an offer for 20 unthreaded aluminum ones from a UK company on eBay. £25 delivered.




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dusty.tools
@dusty.tools

Offline Dusty.Tools

  • Posts: 149
    • Dusty.Tools
Re: Bench Dogs with no neck?
« Reply #13 on: August 07, 2019, 02:11 AM »
Well stupid me! I brought 12 of the UJK Anchor dogs, and I forgot!

@infer - Thanks for the chamfer tip. I did round out the edges of my holes, they are not completely flush, so I'll probably do a chamfer instead!

Ben
@dusty.tools

Offline Jiggy Joiner

  • Posts: 804
Re: Bench Dogs with no neck?
« Reply #14 on: August 07, 2019, 02:36 AM »
I chamfer all of my dog holes on every top I have or make. It makes using certain dogs very quick and easy.
I normally zip round them with a router.

Offline Dusty.Tools

  • Posts: 149
    • Dusty.Tools
Re: Bench Dogs with no neck?
« Reply #15 on: August 07, 2019, 02:37 AM »
I chamfer all of my dog holes on every top I have or make. It makes using certain dogs very quick and easy.
I normally zip round them with a router.

Any tips on how deep you go?
@dusty.tools

Offline Jiggy Joiner

  • Posts: 804
Re: Bench Dogs with no neck?
« Reply #16 on: August 07, 2019, 02:47 AM »
You just need the chamfer on the dog to sit flush with the bench top.
Get a piece of scrap, put a couple of 20mm holes into it.

Set your chamfer router bit so it’s just making contact with the surface, route that hole, and put a chamfered Parff dog in, and test with a square, the square should go right up to the body of the dog, and not catch on the chamfer collar. If it does catch, go very slightly deeper with the router and test again, once at the right depth, go around all of your bench holes.

If you went slightly over depth, it’s not an issue, but testing on scrap, should make sure it’s perfect.

Offline Dusty.Tools

  • Posts: 149
    • Dusty.Tools
Re: Bench Dogs with no neck?
« Reply #17 on: August 07, 2019, 02:59 AM »
You just need the chamfer on the dog to sit flush with the bench top.
Get a piece of scrap, put a couple of 20mm holes into it.

Set your chamfer router bit so it’s just making contact with the surface, route that hole, and put a chamfered Parff dog in, and test with a square, the square should go right up to the body of the dog, and not catch on the chamfer collar. If it does catch, go very slightly deeper with the router and test again, once at the right depth, go around all of your bench holes.

If you went slightly over depth, it’s not an issue, but testing on scrap, should make sure it’s perfect.
Thanks, sounds like a plan!


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dusty.tools
@dusty.tools

Offline Jiggy Joiner

  • Posts: 804
Re: Bench Dogs with no neck?
« Reply #18 on: August 08, 2019, 02:44 AM »
You’re welcome Dusty.