Toggle clamps...how strong? - Router Forums
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post #1 of 22 (permalink) Old 01-26-2011, 06:50 AM Thread Starter
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Question Toggle clamps...how strong?

Am about to construct two jigs for use with my router table : a long-grain sled and an end-grain sled. They look like mighty useful (and safe!) device for a router newbie like me. The plans that I'm working from depict two toggle clamps per sled, however the strength of the clamps is not mentioned. I've been to the local engineering supply shop and tried to size up the clamps on offer - the ones that looked most suitable were rated at 75kg (165lbs) and 150kg (330lbs).

Any suggestions as to which would be most suitable - perhaps based on what you fellas use? I know it depends a little on the size of the stock being routered - I guess it's best to go too big than too small?

Matthew

PS - am happy to post some scans of the sleds for anyone interested.
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post #2 of 22 (permalink) Old 01-26-2011, 08:45 AM
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All things being normal....nothing out of line etc. either of these should work IF they are set up and adjusted properly. With the larger clamps I have put 3/4" stock down and I don't think you could get it loose with a pry bar and both hands!!
The wise old grey beards will be along shortly and correct me if I have mis-spoken.
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post #3 of 22 (permalink) Old 01-26-2011, 09:23 AM
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Matt,
Either will work. For my own sense of security, I apply sandpaper to bearing surfaces. I use the lighter toggles and have had no slippage.

And, yes I'd like to see you sleds.

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post #4 of 22 (permalink) Old 01-27-2011, 03:37 PM
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Hi, I am interested in the response you get as I to will need some toggle clamps soon.

I would like to see your plans, please.

Many thanks in advance, Si
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post #5 of 22 (permalink) Old 01-27-2011, 05:43 PM
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I've mostly used the smaller toggle clamps, as well. Gene's sandpaper suggestion is good, too, since in most cases the toggle is creating a friction-based hold on the work piece.

Note, too, tha the amount of pressure that is desireable is also affected by the strength of the jig component being toggled against. A thin base on a sled, for example, might be distorted by too much force.

- Ralph
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post #6 of 22 (permalink) Old 01-28-2011, 02:01 AM Thread Starter
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Default Thanks...and the pictures

Thanks for all the input. Ralph - when you say "the smaller clamps" are you referring to smaller toggle clamps in general, or the smaller of the two sizes that I've listed above?

Attached are the pictures of the two sleds that I intend to build. Based on the photos in these attachments, can anyone tell approximately what size clamps are being used, by the fact that the man's hands are almost completely covering the clamps?

Matthew
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post #7 of 22 (permalink) Old 01-28-2011, 02:53 AM
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Quote:
Originally Posted by Gene Howe View Post
Matt,
Either will work. For my own sense of security, I apply sandpaper to bearing surfaces. I use the lighter toggles and have had no slippage.

And, yes I'd like to see you sleds.
I'm with Gene on this one, I use some very small el cheepo (99 euro cents) toggle clamps with sandpaper and have had no problems.

Thanks for posting the sketches up Matt, most useful.

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post #8 of 22 (permalink) Old 01-28-2011, 02:57 AM Thread Starter
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Woah - that's cheap! The only ones I've found thus far are US$21 (75kg) and US$28 (150kg) per clamp. Brand is Brauer - I think they're German.
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post #9 of 22 (permalink) Old 01-28-2011, 03:37 AM
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Originally Posted by matt1710 View Post
Woah - that's cheap! The only ones I've found thus far are US$21 (75kg) and US$28 (150kg) per clamp. Brand is Brauer - I think they're German.
I got them from the bay direct from China.
I tried to get them locally here in Germany but they wanted 40€.

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post #10 of 22 (permalink) Old 01-28-2011, 08:32 AM
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go to harbor freight. they have 200lb toggle clamps for $3.49 and 500lb clamps for $0.50 more

200 Lb. Horizontal Toggle Clamp

500 Lb. Horizontal Toggle Clamp

they also have the vertical clamps as well

Last edited by Mike Gager; 01-28-2011 at 08:34 AM.
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