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Forum topic by Rick201m posted 09-27-2020 03:34 PM 361 views 0 times favorited 8 replies Add to Favorites Watch
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Rick201m

3 posts in 31 days


09-27-2020 03:34 PM

Hello, I’m new to woodworking and have a question about my woodworking vise and need some help. It doesn’t allow the work piece to lay flat on the vise. It “rocks” on the bottom of the vise between the center screw, which is higher, and the two side rails, which are lower. Is this how a vise works and if not is there a fix? Any help will be greatly appreciated. Thank you very much. Ric


8 replies so far

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SMP

2664 posts in 788 days


#1 posted 09-27-2020 03:50 PM

What brand and model? Pics? Hard to say what issue you are having. But a guess is many vises have a toe-in where the top is actually leaning in, this could be causing the issue you are having?

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AndyJ1s

462 posts in 638 days


#2 posted 09-27-2020 05:23 PM

Some WW vises are just that way; the vise screw protrudes above the rods that the vise front slides on. The only fix is another vise that does not do that.

In practice, it should not be a problem in most cases, because the workpiece should be supported by the clamping force of the vise faces, not the bottom rails/screw (which are likely oily anyway). I would not rest a workpiece directly on the rails/screw; I would use a scrap of wood resting on the rails/screw to protect the workpiece if needed.

-- Andy - Arlington TX

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ibewjon

2078 posts in 3676 days


#3 posted 09-27-2020 08:56 PM

Notch a piece of wood to sit on the rails and over the screw. Make a couple for use with thicker stock.

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mikeber

40 posts in 1743 days


#4 posted 09-28-2020 04:33 AM

You’re right. It’s an idiotic design. But wood vises are quite cheap and you can replace it in the future. Meanwhile as the other poster said, wedge a piece of wood over the center rod.

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Rick201m

3 posts in 31 days


#5 posted 09-28-2020 04:43 AM

Thank you all very much for the help!

I’ll notch out a piece of wood for that high center screw so that everything lays flat across bottom of vise.

Sincerely,
Rick in Colorado

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SMP

2664 posts in 788 days


#6 posted 09-28-2020 05:24 AM



Thank you all very much for the help!

I ll notch out a piece of wood for that high center screw so that everything lays flat across bottom of vise.

Sincerely,
Rick in Colorado

- Rick201m

Not sure thats really a good workaround, as you will need a different one for every possible thickness of wood you ever plan on using. Best bet is to just clamp it above and not worry about resting it on anything.

View ibewjon's profile

ibewjon

2078 posts in 3676 days


#7 posted 09-28-2020 02:37 PM

You will not need a different piece to match each piece you clamp. It doesn’t matter if the bridge is held tight. In fact, the piece should be thinner than what you are clamping to assure good hold on the workpiece.

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AndyJ1s

462 posts in 638 days


#8 posted 09-28-2020 07:24 PM


Thank you all very much for the help!

I ll notch out a piece of wood for that high center screw so that everything lays flat across bottom of vise.

Sincerely,
Rick in Colorado

- Rick201m

Not sure thats really a good workaround, as you will need a different one for every possible thickness of wood you ever plan on using. Best bet is to just clamp it above and not worry about resting it on anything.

- SMP

Agreed!

In most cases you clamp the workpiece near the top of the vise jaws anyway, for light, visibility and access.

If the workpiece needs more vertical support than clamping in the vise can provide, in most cases you are better served clamping it in place on top of the bench, not held in the vise.

Hopefully your WW vise has a pop-up dog in the moveable jaw, to use for holding work, against bench dogs or similar stops on the benchtop.

-- Andy - Arlington TX

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