Clock Movement Jig - Router Forums
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post #1 of 20 (permalink) Old 07-14-2011, 09:25 AM Thread Starter
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Default Clock Movement Jig

Hi,

Just checking to see if anyone would know if there is a jig made for the following.

I have long lengths of Cherry hardwood that I cut down to make clocks. The width of these parts vary - and I need to route 2 1/2" square pockets in the back of these to place the movement into. I drill out the center for the shaft to go through - so I need to place the bit to the center - then cut 2 1/2" around this. I was going to make a frame to place over this and clamp it each time - but I am not sure if there is something made already to make it easier.

Thanks

Tom
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post #2 of 20 (permalink) Old 07-14-2011, 09:50 AM
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Hi Tom

Not that I know about but no real standard for the size of the movements.
I use a 3 1/8 Forstner bit for that job,it's only 20 bucks and gives me a little bit of adjustment for the movement and it's easy to center it in place..almost all the movements fit right into the round hole.

It's one of the items you don't see from the front of the clock, pie is sq.but round is fine for clocks. and it's quick and easy..and always very true.

Forstner Bit Set - Peachtree Woodworking Supply

========



Quote:
Originally Posted by maldak View Post
Hi,

Just checking to see if anyone would know if there is a jig made for the following.

I have long lengths of Cherry hardwood that I cut down to make clocks. The width of these parts vary - and I need to route 2 1/2" square pockets in the back of these to place the movement into. I drill out the center for the shaft to go through - so I need to place the bit to the center - then cut 2 1/2" around this. I was going to make a frame to place over this and clamp it each time - but I am not sure if there is something made already to make it easier.

Thanks

Tom



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post #3 of 20 (permalink) Old 07-14-2011, 10:27 AM
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Quote:
Originally Posted by maldak View Post
Hi,

Just checking to see if anyone would know if there is a jig made for the following.

I have long lengths of Cherry hardwood that I cut down to make clocks. The width of these parts vary - and I need to route 2 1/2" square pockets in the back of these to place the movement into. I drill out the center for the shaft to go through - so I need to place the bit to the center - then cut 2 1/2" around this. I was going to make a frame to place over this and clamp it each time - but I am not sure if there is something made already to make it easier.

Thanks

Tom
These shots from a couple of my earlier forum projects show how easy it is.
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post #4 of 20 (permalink) Old 07-14-2011, 10:39 AM
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Hi Harry

Very nice, but who is going to see it other than the wall drill bit easy .all done with just one drill bit..no tape or clamps needed ..

======

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These shots from a couple of my earlier forum projects show how easy it is.



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post #5 of 20 (permalink) Old 07-15-2011, 08:10 AM Thread Starter
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Thanks for the help everyone. - Tom
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post #6 of 20 (permalink) Old 07-15-2011, 10:07 AM
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Hi Harry

Very nice, but who is going to see it other than the wall drill bit easy .all done with just one drill bit..no tape or clamps needed ..

======
You really have me confused this time Bob. The remark about the wall referred to the imperfection, the drill bit was the same size as the thickness of the clock mechanism and the template was clearly seen in two shots to be clamped in position.

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post #7 of 20 (permalink) Old 07-15-2011, 10:32 AM
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Hi Harry

Sorry to confuse you, all I'm saying why go down the road with all the templates when one drill bit will do it all in one pass on the drill press, the KISS way.

You can't see the round hole or the sq.hole from the front side of the clock just like the imperfection that you put on the back side..

======

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You really have me confused this time Bob. The remark about the wall referred to the imperfection, the drill bit was the same size as the thickness of the clock mechanism and the template was clearly seen in two shots to be clamped in position.



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post #8 of 20 (permalink) Old 07-16-2011, 10:29 AM
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Perhaps I just like to put square pegs in square holes Bob! Perhaps Marlene is right when she accuses me of being pedantic.

Harry



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post #9 of 20 (permalink) Old 07-16-2011, 12:00 PM
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Hi Harry

" pedantic "

I would not say that you are a great teacher but if the tools are at hand why not use them just like the Kreg pocket holes screws way, what you can't see you can't see..like many wood joints...they hold just as well and sometimes better.

============

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Originally Posted by harrysin View Post
Perhaps I just like to put square pegs in square holes Bob! Perhaps Marlene is right when she accuses me of being pedantic.



"It's fine to disagree with other members as long as you respect their opinions"

Marc Sommerfeld Tools ,Videos
http://www.youtube.com/channel/UCT-n...RWaEpMA/videos

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post #10 of 20 (permalink) Old 07-17-2011, 10:26 AM
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Hi Harry

" pedantic "

I would not say that you are a great teacher but if the tools are at hand why not use them just like the Kreg pocket holes screws way, what you can't see you can't see..like many wood joints...they hold just as well and sometimes better.

============
Perhaps this shot of an award that was presented to me some years ago says it all my friend.
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