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Need advice circle routing jigs

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Forum topic by groland posted 12-22-2009 07:02 PM 1740 views 0 times favorited 3 replies Add to Favorites Watch
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groland

152 posts in 2878 days


12-22-2009 07:02 PM

I am repairing a vintage audio turntable (a Thorens TD-124 for those of you who are audio buffs.). In order to do this, I need to be able to route perfect circles from about 1 inch in diameter to about 12 inches in diameter in 3/4 MDF.

I am thinking there must be some sort of precision router jig available for this purpose. If not, what kinds of jigs might I make and how best to make them?

Essentially, I need to route/cut the MDF into a perfect circle ca. 12” in diameter. Then I need to route two depressions in it, both perfectly centered, one about 1.5 inches in diameter around the center and the other about 1/8 width about 6 inches from the center.

Any suggestions?

Many thanks,

George Roland


3 replies so far

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CoolDavion

426 posts in 3291 days


#1 posted 01-16-2010 09:40 PM

Don’t know if you found what you were looking for yet but for purchase
http://www.hartvilletool.com/sphider/search.php?results=10&search=1&query=circle%20jig I’ve also seen plans for creating your own somewhere.

-- Do or do not, there is no try!

View SKFrog16's profile

SKFrog16

661 posts in 2667 days


#2 posted 01-16-2010 11:02 PM

These guys should be able to cover any options you may require.
http://www.jaspertools.com/

-- Methods are many,Principles are few.Methods change often,Principles never do.

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romanf

20 posts in 2723 days


#3 posted 01-18-2010 06:40 PM

I have used the Jasper circle cutters and can say they work extremely well and are of high quality….

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