Dovetail Clamps - Router Forums
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post #1 of 34 (permalink) Old 03-08-2017, 09:18 PM Thread Starter
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Default Dovetail Clamps

When I ordered the Gripper they also had some interesting C clamps to hold their dado gauge to the fence, so I ordered a couple too. I was playing around with them in the shop today and think they are going to be versatile little clamps.

I ran a maple 1X2 through the router table and made a 20" long strip with a DT down the center of the strip. Then cut them into pieces for pads for the ends of the clamps. Also made a sacrificial fence for the TS , It can also be clamped to the bench for a straight edge. I can put a dovetail slot in each end of a piece for a straight edge guide to cut or rout across sheet goods. It is a good clamp for keeping out of the way from hanging up on things when in use. They would work on jigs where dovetail slots instead of T tracks for one off jigs. Here are some pictures.

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post #2 of 34 (permalink) Old 03-08-2017, 10:52 PM
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Nice one.

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post #3 of 34 (permalink) Old 03-09-2017, 08:28 AM
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Those will come in handy Herb. I saw something similar locally but the arms are round... just drill holes for them. I was a little concerned about their strength though, they didn't look very heavy duty. Yours look stronger.
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post #4 of 34 (permalink) Old 03-09-2017, 09:10 AM
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cool find Herb...

This would have been the week that I'd have finished chewing thru the restraints...
If only new layers hadn't been added....

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post #5 of 34 (permalink) Old 03-09-2017, 09:27 AM
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I purchased a couple of these about four months ago at the local Woodcraft Fall vendors fair. I have been experimenting with them and really like them.

Unlike other types of clamps they are not real quick to initially set-up, so spur of the moment use is not necessarily practical. However, I have used them for a dedicated saw/router guide to clamp the guide down on large sheets and for an auxiliary table saw fence. I'm sure that I'll find more uses for them in the future.

They are not outrageous price wise and because one arm fits into a dovetail, they don't slip like some clamps can. Plan it out and you can bury the clamp into a piece of wood and the clamp body doesn't stick out to hinder other tool usage.
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post #6 of 34 (permalink) Old 03-09-2017, 09:46 AM Thread Starter
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Quote:
Originally Posted by schnewj View Post
I purchased a couple of these about four months ago at the local Woodcraft Fall vendors fair. I have been experimenting with them and really like them.

Unlike other types of clamps they are not real quick to initially set-up, so spur of the moment use is not necessarily practical. However, I have used them for a dedicated saw/router guide to clamp the guide down on large sheets and for an auxiliary table saw fence. I'm sure that I'll find more uses for them in the future.

They are not outrageous price wise and because one arm fits into a dovetail, they don't slip like some clamps can. Plan it out and you can bury the clamp into a piece of wood and the clamp body doesn't stick out to hinder other tool usage.
What Bill said is correct. One way I plan to get around the quick set up ,is to make the wooden pads that can be slipped on and off and reused. These can be made in various widths and lengths too. this can give full bearing on the clamping surface,rather than just at the end of the jaw.

The way they are built they can be slide along the dovetail like a T track to position them conveniently on jigs.
They seem quite strong,and I didn't observe any springiness in the jaw.
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post #7 of 34 (permalink) Old 03-09-2017, 10:23 AM
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I'm interested. But what advantage does the dovetail shape have over using a T slot in this case. Why use a dovetail clamp over a regular clamp that works in a T slot? I guess I'm missing something here.

Charley

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post #8 of 34 (permalink) Old 03-09-2017, 11:46 AM Thread Starter
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Quote:
Originally Posted by CharleyL View Post
I'm interested. But what advantage does the dovetail shape have over using a T slot in this case. Why use a dovetail clamp over a regular clamp that works in a T slot? I guess I'm missing something here.

Charley
Not sure they are better, just that it is another application for them.

Herb
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post #9 of 34 (permalink) Old 03-09-2017, 12:00 PM
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I think they would be stronger with the groove in the opposite side of the board. Would put pressure through the whole board.
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post #10 of 34 (permalink) Old 03-09-2017, 01:12 PM
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Thank you for the great idea. I have a pair from Rockler with the round tangs and I'm not convincd that they work as well as they should.

Jon
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