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Taper Gauge

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Project by WhattheChuck posted 12-01-2008 03:13 AM 1529 views 1 time favorited 7 comments Add to Favorites Watch

Had to post this to go along with my other project.

I bought a reamer from The Windsor Institute. I was a little worried when I got it because I didn’t have the measurements for the taper that would be required to fit into the reamed hole.

I e-mailed Mike Dunbar, the Dean of the Institute, to ask for the measurements. He reminded me that chairmakers are stupid, and can’t remember measurements. Ream a hole in a block of wood, cut the block in half, and use that—and so I did. It works great, and you can tell if your stump will have a good tight fit, because the gauge won’t wiggle on the stump, which you can measure when the leg/post is still on the lathe.

-- Chuck, Pullman, WA





7 comments so far

View kenn's profile

kenn

788 posts in 2466 days


#1 posted 12-01-2008 03:24 AM

This is exactly what I use, except I didn’t call Mike Dunbar, haha.

-- Every cloud has a silver lining

View WhattheChuck's profile

WhattheChuck

107 posts in 2307 days


#2 posted 12-01-2008 03:31 AM

Hey Ken,

Are you sure you’re stupid enough to be a chairmaker? ;-)

-- Chuck, Pullman, WA

View romansfivefive's profile

romansfivefive

299 posts in 2519 days


#3 posted 12-01-2008 05:35 PM

if I don’t understand how that works, does that make me dumber than a chair maker?

-- The CNC machine can either produce the work of art you imagined, or very decorative firewood.

View WhattheChuck's profile

WhattheChuck

107 posts in 2307 days


#4 posted 12-01-2008 05:38 PM

Naw, it makes you a suitable candidate!

Basically, you turn your first attempt at the taper, and then stop the lathe. You try to press that on there. Because it’s tapered, you can slide it back and forth on the taper you’re trying to turn. Look for gaps in the rear, and then on the top and bottom.

Go back to taking off material until you can press-fit on the taper, with no gaps behind, above or below.

-- Chuck, Pullman, WA

View romansfivefive's profile

romansfivefive

299 posts in 2519 days


#5 posted 12-01-2008 09:01 PM

that is brilliant… and i clearly am not. that makes so much sense. thanks for the tip

-- The CNC machine can either produce the work of art you imagined, or very decorative firewood.

View F Dudak's profile

F Dudak

342 posts in 2557 days


#6 posted 12-03-2008 01:46 PM

Chuck,

Now you know that one of our great lessons was chairmakers can’t do math! Green means stop red means go; or is it the other way around. How many eighths was that? You were supposed to add the tenon length I knew I forgot something.

-- Fred.... Poconos, PA ---- Chairwright in the making ----

View WhattheChuck's profile

WhattheChuck

107 posts in 2307 days


#7 posted 12-03-2008 06:17 PM

Boy, that Mike is something else. And it really makes so much sense. Well, to a chairmaker!

-- Chuck, Pullman, WA

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