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A larger centering jig for wider stock

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Project by Bob #2 posted 10-23-2007 07:49 PM 4523 views 24 times favorited 19 comments Add to Favorites Watch
 A larger centering jig for wider stock
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After I made the small centering gage last week I decided yesterday that I could use a larger one as well for drawers and the odd cut on plywood .
I picked up a package of 1/4” brass threaded inserts from Lee valley tools last week as well as a knurled set screw to hold the pencil in place.
I had a piece of mahogany lying about that had the height and width i needed so I cleaned it up with my fore plane and proceeded to mark the stick out to recieve the inserts and hole for the pencil

The centering of the inserts was easy using the drill press and a fence to line things up on the center mark from my smaller gage.
To make sure the hole were equidistant from the center I used stop on the fence and drilled the first hole them fiipped the stick round and dropped in it’s mate.
the layout took about 15 minutes because I wanted to check everyting but the actual drilliing was only about 5 minutes.

Here’s another shot showing how I made the centering pins from some 2-1/2” bolts with the heads sawed off.
I was going to use brass rod for the pins but the Borg needs $18.50 for three feet of 1/4”.

What they don’t know will kill them.

I layed out the top curve with a french curve and ran it through the bandsaw.

It took about an hour and half of piddling and about 20 mins actual work to make this.

Question… Am i anal enough to put a finish on it?

p.s. The complete project is in shopnotes VOl 15 issue 86 page 24…

Cheers Bob

-- A mind, like a home, is furnished by its owner





19 comments so far

View CharlieM1958's profile

CharlieM1958

15792 posts in 2965 days


#1 posted 10-23-2007 08:01 PM

Bob, you are the jigmaster!

And to loosely borrow from your signature line… A jig, like its owner, should be unfinished. :-)

-- Charlie M. "Woodworking - patience = firewood"

View Peter Oxley's profile

Peter Oxley

1426 posts in 2621 days


#2 posted 10-23-2007 08:05 PM

Very nice. You will be reaching for this tool a lot. Any thoughts on how to build one for a router?

p.s. I would!

-- http://www.peteroxley.com -- http://north40studios.etsy.com --

View Bob #2's profile

Bob #2

3808 posts in 2768 days


#3 posted 10-23-2007 08:36 PM

Thanks Charlie.
I find these type of things take the pain out of measuring which incidently, is my Achilles heel.

Peter.
If you are thinking about centering groove for mortices and the like I just mark them and pray.<g>
Norm NYWS runs his grooves by reversing the stock for the second pass.
If the stock is nominal I often use key stock to set the cutters.

cheers

Bob

-- A mind, like a home, is furnished by its owner

View TomFran's profile

TomFran

2942 posts in 2740 days


#4 posted 10-23-2007 08:53 PM

Bob,

Another great jig! It really pays in the long run to spend a little extra time making things like this to speed up the work and increase our accuracy. Plus, these kinds of projects are just plain fun to make.

-- Tom, Surfside Beach, SC - Romans 8:28

View Max's profile

Max

55978 posts in 3019 days


#5 posted 10-23-2007 09:13 PM

I made one of the smaller marking jigs myself yesterday, but do you think I could find a drill the same size as the pencils I have????? NO!!!!!! Either need some different pencils or a wider variety of drills…..

-- Max "Desperado", Salt Lake City, UT

View Bob #2's profile

Bob #2

3808 posts in 2768 days


#6 posted 10-23-2007 09:26 PM

Hi Max.

That drill you haven’t got is a 9/32” .
If you have a 1/4 with a wobble you may be in business. <g>

p.s. I bought a real cheap set of brad points at the wood show last year and they are awful but at least I hve some weird sizes. (around $25.00 for about 30 sizes) I have decent one for the common sizes from Lee Valley but the whole set is a killer for a hobby guy like me.

Bob

-- A mind, like a home, is furnished by its owner

View Max's profile

Max

55978 posts in 3019 days


#7 posted 10-24-2007 12:00 AM

Bob,

Your right that is the one that I don’t have…. I’ll have to check at my Dad’s place to see if he happens to have one, if not I will have to buy one… Thanks for the size information I appreciate it.

-- Max "Desperado", Salt Lake City, UT

View Dadoo's profile

Dadoo

1776 posts in 2737 days


#8 posted 10-24-2007 09:34 PM

Never thought of using one of these to find the center of a drawer face. Would be great for locating the handles and pulls.

-- Bob Vila would be so proud of you!

View Karson's profile

Karson

34912 posts in 3147 days


#9 posted 10-24-2007 10:19 PM

Bob. Red paint would look good on it. Just be careful dragging it across your board. You might leave some paint.

Great design. I like it. and centering a drawer front is a good use for it.

-- I've been blessed with a father who liked to tinker in wood, and a wife who lets me tinker in wood. Southern Delaware karson_morrison@bigfoot.com †

View Bob #2's profile

Bob #2

3808 posts in 2768 days


#10 posted 10-24-2007 10:37 PM

Dadoo these little one hour projects end up saving time and materials.
I don’t know how many times I have measure center inb both ends of a board and ended up out by 1/8”
I can run these divider from bott ends and cut in the middle of the lines at the very worst.
p.s. I still find center that way with my finger and thumb for rough carpentry..

Karson, with the way I lose stuff, red may be the right colour.

Bob

-- A mind, like a home, is furnished by its owner

View mot's profile

mot

4911 posts in 2783 days


#11 posted 10-25-2007 03:51 PM

I don’t know now I missed this! Great Bob. You may want to chain it to your bench though…it’s Thursday, you only have two more days to live in the joy, bliss and serenity that comes with NOT knowing me face to face!

-- You can discover more about a person in an hour of play than in a year of conversation. (Plato)

View Bob #2's profile

Bob #2

3808 posts in 2768 days


#12 posted 10-25-2007 05:53 PM

i can’t wait Tom. Were going to have fun!

p.s. I have a chicken guarding this thing of beauty! :P

Bob

-- A mind, like a home, is furnished by its owner

View MsDebbieP's profile

MsDebbieP

18615 posts in 2907 days


#13 posted 10-25-2007 05:58 PM

Bob, when Tom leaves check for CTS conduits (Cyber Tool Share black holes) hidden around your shop!!

-- ~ Debbie, Canada (https://www.facebook.com/DebbiePribeleENJOConsultant)

View Bob #2's profile

Bob #2

3808 posts in 2768 days


#14 posted 10-25-2007 06:40 PM

Don’t worry Deb, I have my sandbox under surveilence with one of the best!

bob

-- A mind, like a home, is furnished by its owner

View MsDebbieP's profile

MsDebbieP

18615 posts in 2907 days


#15 posted 10-25-2007 07:19 PM

phew.. I can sleep soundly tonight! lol
or is that “cluck-cluck-cluck”

-- ~ Debbie, Canada (https://www.facebook.com/DebbiePribeleENJOConsultant)

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