Bench dogs - two questions - Page 6 - Router Forums
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post #51 of 57 (permalink) Old 02-28-2018, 04:31 PM
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Certainly looks good to me. And you made them, not buy them.

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post #52 of 57 (permalink) Old 03-02-2018, 01:07 AM Thread Starter
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Thank you. To be honest, I was hoping more people would comment on the prototypes.

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post #53 of 57 (permalink) Old 03-02-2018, 11:15 AM
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Jerry; I'd be concerned about those exposed boltheads...I mean seriously concerned! I see barked knuckles in your future. Not to mention potentially damaged projects and edge tools.
Here's an idea: recess a bolt on the bottom side and epoxy it in. Just as strong. And I don't understand the purpose of the adjustable bolt slot? Did you abandon that idea?
(You did ask for feedback... )
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post #54 of 57 (permalink) Old 03-02-2018, 03:47 PM Thread Starter
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Oh Dan. I really appreciate the feedback, although I did write that that particular bolt is only a stopgap measure. There is already a recess (a bit too shallow though, I'll have to deepen it) in both dogs to allow for a proper bolt to sit flush with the dog itself.

A proper bolt being this one:


Not sure what you mean by abandoning the idea. Which idea did you have in mind?

And, by "the adjustable bolt slot", do you mean the one in the tension clamps?

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post #55 of 57 (permalink) Old 03-02-2018, 05:32 PM
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?...I'm so confused!
I thought these were the early version of the dogs(?).
By the way, and I've mentioned this in the past, if you want really inexpensive angle iron, the mattress shops collect the stuff in large quantities from old bed frames that aren't suitable for new mattress warranties. The old ones often don't have a middle wheel assembly, so the weight of two people tends to sag the old frames. (or so I was told.)
My mattress shop up here gives the stuff away!
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post #56 of 57 (permalink) Old 03-03-2018, 03:21 AM Thread Starter
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Well, they are the early version, in the sense that they're missing the right bolt, and I'm also considering running rubber tape around one or two, for extra grip. Because why not? Then they'll be done.

Considering the tension clamp; the design is more or less finished, but I will have to refine the template a bit, redo them again in plywood, use better laser settings (it cut too deep and some of the wood chipped off during drilling) and of course, rubberize them. Without rubber tape, they're useless.

Regarding the bracket, I opted for aluminum since it's infinitely easier to drill into it. My first design failed miserably, because I drilled a channel without the middle hole. Because of that, it got... "wobbly" and very, very uncooperative. Also, I might just have the channel CNCd which would also make it totally hassle-free.

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post #57 of 57 (permalink) Old 03-03-2018, 04:30 PM
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Quote:
Originally Posted by Auriga View Post
Well, they are the early version, in the sense that they're missing the right bolt, and I'm also considering running rubber tape around one or two, for extra grip. Because why not?
Why not? Because rubber tape is compressive and may allow movement of the workpiece when you are clamping or machining. If you are going to use rubber it I would have thought it should ideally be vulcanised hard rubber. Softer rubbers also tend to wear out a lot faster. TBH the "old fashioned" joiners approach used to be to use contact glue to apply a layer of sanding paper

In terms of material the best "metal" components would be aluminium (albeit a bit soft), brass or industrial nylon. Any of these can be accidentally machined without necessarilly destroying the cutter

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