Building Harry's Simple Circle Jig. - Router Forums
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post #1 of 49 (permalink) Old 06-12-2011, 07:04 PM Thread Starter
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Default Building Harry's Simple Circle Jig.

After looking at Harry's circle jig I have decided to build his design. I need to cut holes for cup holders in the poker table top or in the rail, and what better jig then having an adjustable jig. I have different sizes of cup holders available for my clients. I managed to get the base done today. I thought I had more stainless rod in the shop but I used it on the last jig.

The plan is to drill a very small pivot hole all the way through the plastic, then on the bottom drill out a 1/4" hole but not penetrate through the top. The small hole in the top will be used to measure from the center pivot pin to the outer edge of the router bit so I know what size to cut the holes. Ideally would be to mill a grove and install a small stainless ruler in the face of the plastic.

Next I will knul the pivot pin so that I can press the pin into the pivot hole while I am waiting for the stainless rod.

Thanks Harry for the great jig idea...






















Last edited by AzViper; 06-17-2011 at 04:39 PM.
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post #2 of 49 (permalink) Old 06-12-2011, 11:29 PM
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It's looking very professional Keith. By drilling and tapping several pivot holes it will become very versatile, covering a wide range of radii.

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post #3 of 49 (permalink) Old 06-13-2011, 12:30 AM Thread Starter
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It's looking very professional Keith. By drilling and tapping several pivot holes it will become very versatile, covering a wide range of radii.
Harry I do know what you mean as it will increase the range beyond what the rods will allow, but for my needs the adjustment I will have will cover the radius I will use.
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post #4 of 49 (permalink) Old 06-13-2011, 05:45 PM
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Keith, I visited your web site............ very nice tables!

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post #5 of 49 (permalink) Old 06-15-2011, 10:51 PM
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Hi Keith,

How did you attach the cross bar to the jig base?

just asking in case you found a glue that will work on HDPE?

James
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post #6 of 49 (permalink) Old 06-16-2011, 07:29 PM Thread Starter
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Hi Keith,

How did you attach the cross bar to the jig base?

just asking in case you found a glue that will work on HDPE?
Hi James,

I wish I could say I glued it but I instead screwed the two pieces together...

Last edited by AzViper; 06-18-2011 at 02:33 PM.
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post #7 of 49 (permalink) Old 06-16-2011, 07:31 PM Thread Starter
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Well I tried out the new jig today. I did not punch through the plywood as I did not have the pivot hole anchored down but as you can see the jig work as it was intended. Using a 1/2 bit the smallest opening is 3-1/4" and the largest opening is 12". This is perfect for my needs as I can use 1/4" bit if I need to go smaller.

[IMG]

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post #8 of 49 (permalink) Old 06-18-2011, 09:10 AM
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A very neat jig and solution. I would have used bolts and threaded metal dowels to join the base to the crossbar, but no worries. Will my wife miss her cutting board? Nice grooves.

Last edited by Mike Wingate; 06-23-2011 at 04:49 PM.
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post #9 of 49 (permalink) Old 06-18-2011, 09:52 AM
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You really did that jig up nice, very sweet job!

Jack


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post #10 of 49 (permalink) Old 06-18-2011, 11:44 AM Thread Starter
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Originally Posted by Mike Wingate View Post
A very neat jig and solution. I would have used bolts and treadded metal dowels to join the base to the crossbar, but no worries. Will my wife miss her cutting board? Nice grooves.
Mike the jig is very solid. I used a screw that takes a big bit with a small pilot hole. Your right in the material is used for cutting boards. We buy the material in sheets and make cutting boards. The material was waste.
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