LumberJocks

Spirals #4: Assembling the jig

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Blog entry by degoose posted 1886 days ago 2849 reads 15 times favorited 30 comments Add to Favorites Watch
« Part 3: Making the individual parts. Part 4 of Spirals series Part 5: A quick sneak peak of some new timber combos »

Drill two holes in the fence . one a little larger.. to take 1/4 ” bolts . Mark these positions on the base and drill these holes to attach the fence to the base. One bolt is held with a nut and other with a Knob.[for adjustment in fine tuning the fence if necessary]. Drill two addition holes in the fence to accept 1/4 ” bolts for tightening the bridge clamps.[These holes got through the fence only] Refer to the photo.


In his pic you may see that I inserted a bearing to serve as a bushing so that the hole would not wear with the amount of use it will be seeing.[the jig pivots on the bolt in the circle cutting jig..
A few different angles.
If you don’t get a good fit on all twelve pieces you can undo the knob at the back and adjust the fence in or out

Thats about It not really much to it at all

-- Drink twice... and don't bother to cut... @ lazylarrywoodworks.com.au For lovers of all things timber...



30 comments so far

View Peik Löf's profile

Peik Löf

115 posts in 1976 days


#1 posted 1886 days ago

“not really much to it at all”

Pfft, that jig is awesome :D

-- My signature is awesome.

View degoose's profile

degoose

6981 posts in 1959 days


#2 posted 1886 days ago

Peik.. just 4 pieces of ply and wood and some nuts and bolts and knobs and a bearing.
Not much at all.. but I agree It is bl**dy awesome.
It as change all my thoughts about how I make things.

-- Drink twice... and don't bother to cut... @ lazylarrywoodworks.com.au For lovers of all things timber...

View stefang's profile

stefang

12604 posts in 1938 days


#3 posted 1886 days ago

The thing I still can’t understand is the template. Am I right in thinking that the width of the template determines the width of the pieces to be cut?

-- Mike, an American living in Norway.

View degoose's profile

degoose

6981 posts in 1959 days


#4 posted 1886 days ago

NO

-- Drink twice... and don't bother to cut... @ lazylarrywoodworks.com.au For lovers of all things timber...

View Splinterman's profile

Splinterman

23058 posts in 1965 days


#5 posted 1886 days ago

Sheesh….....Larry….dont bite Stefang’s head off…..ROFLMAO..!!

View bowyer's profile

bowyer

340 posts in 2000 days


#6 posted 1886 days ago

Thanks for this great blog series!!
Rick

-- If at first you don't succeed...Don't try skydiving

View patron's profile

patron

12976 posts in 1945 days


#7 posted 1886 days ago

the radius is large enough so the kerf is neglijable .
in tighter raduis it would matter .
.
good work mate !

-- david - only thru kindness can this world be whole . If we don't succeed we run the risk of failure. Dan Quayle

View Charles Maxwell's profile

Charles Maxwell

941 posts in 2411 days


#8 posted 1886 days ago

Thanks for this post. You gave my a great idea for assembling my gear blanks with spiral shapes vs the straight pie cuts I’ve been using. Thanks for the post. I’ll let you know how the gear blanks work in my new clock designs! Of course, you get all the credit. Max

-- Max the "night janitor" at www.hardwoodclocks.com

View stefang's profile

stefang

12604 posts in 1938 days


#9 posted 1886 days ago

Everybody seems onboard with this last blog while I’m still on the quay. Anything besides a NO Larry? Like what does the width of the template determine?

-- Mike, an American living in Norway.

View stefang's profile

stefang

12604 posts in 1938 days


#10 posted 1886 days ago

Ok, I finally got it. But the template does determine the the shape of the segment including the width. Am I not right?

-- Mike, an American living in Norway.

View degoose's profile

degoose

6981 posts in 1959 days


#11 posted 1885 days ago

Mike you got it …it’s not about the width per se but the shape of the template. The width does determine the number of pieces in the finished circle but the shape is all you need.
BTW Mike didn’t mean to be rude just trying to get you to work it out and you were on the right track.

-- Drink twice... and don't bother to cut... @ lazylarrywoodworks.com.au For lovers of all things timber...

View degoose's profile

degoose

6981 posts in 1959 days


#12 posted 1885 days ago

A little secret.
The arcs on the template are just segments of the circle with a 9.5 inch radius.. You work out the width for the number of pieces in the circle.

-- Drink twice... and don't bother to cut... @ lazylarrywoodworks.com.au For lovers of all things timber...

View spanky46's profile

spanky46

977 posts in 1995 days


#13 posted 1885 days ago

If I say I understand all of it do you think I’m smart or lying?
Nice work Larry.

-- spanky46 -- Never enough clamps...Never enough tools...Never enough time.

View degoose's profile

degoose

6981 posts in 1959 days


#14 posted 1885 days ago

If I say I understand all of it do you think I’m smart or lying?

-- Drink twice... and don't bother to cut... @ lazylarrywoodworks.com.au For lovers of all things timber...

View milehigh's profile

milehigh

54 posts in 1944 days


#15 posted 1885 days ago

Thank you for sharing your time and talent here on the forum Larry. I really enjoy your blogs and this one is no exception.

Paul

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