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Forum topic by gul posted 09-27-2010 05:43 PM 957 views 0 times favorited 6 replies Add to Favorites Watch
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gul

398 posts in 1616 days


09-27-2010 05:43 PM

Topic tags/keywords: tip

Hello all :) Please tell how to make dados in the middle of a curve piece? I want to make a wooden chandelier.http://www.thelightsofrome.com/index.php?main_page=product_info&products_id=23 .And Please also tell how do you make templates so smooth to run the bearing on?
Thanks.


6 replies so far

View Eric_S's profile

Eric_S

1521 posts in 1849 days


#1 posted 09-27-2010 05:58 PM

Hi Gul, if you have a router, you can add an index pin(dowel) wheels to the base to guide the router and follow the curve. if its too far in a curve, you’ll need an edge attachment with an index pin or wheels instead. Without a router, I’m not too sure how to do it, maybe someone else has better ideas.

Check out this picture for an idea of what I mean: http://practical-technologies.com/imagelib/sitebuilder/misc/show_image.html?linkedwidth=560&linkpath=http://www.practical-technologies.com/sitebuildercontent/sitebuilderpictures/p1010253cl.jpg&target=tlx_new&title=Click on picture to enlarge

-- - Eric Indianapolis, IN

View levan's profile

levan

407 posts in 1634 days


#2 posted 09-27-2010 06:38 PM

Hi gul Wow what a project.
If I understand your question correctly you are refering to the groove for the wiring that would in the center of each carved arm. As Eric said would certainly be one way to acheive this. If you are refering to making a template to follow with a router and top bearing bit witch is probably the way I would approach it. You will need to sand the edges of your template after sawing on your bandsaw. Not knowing what is available for you in the way of tools, you could either file and sand by hand or use some kind of sander such as a spindle sander or they have small drum sanders to use in a drill press that would work well, both come in several spindle sizes.
Please keep us informed on your progress

-- Lynn "If you think you can do a thing or think you can't do a thing, you're right". Henry Ford

View MattinCincy's profile

MattinCincy

128 posts in 1807 days


#3 posted 09-27-2010 06:46 PM

If you’re creating a channel for wires and it’s not going to be seen, then rout it freehand with a router and a 1/4” cutter. Mark both sides of the dado and stay between the lines.

-- Wag more, bark less.

View helluvawreck's profile

helluvawreck

15798 posts in 1521 days


#4 posted 09-27-2010 06:47 PM

Gul, if I’m understanding you correctly, you want to make the dados in a turning that are equally spaced around a line of circumference. These would be used to attach the arms of the chandelier to the central turning.

If you have a lathe with a plate with equally spaced indexing holes so that you could lock the spindle in certain spots of rotation, for example 6 places at 60 degrees apart then this would give you a good foundation for building a jig to use a plunge router to do this.

Without going into detail on how to do it, you could build a platform out of wood so that a plunge router would be above the turning. The plunge router would have either a fence or a slot that would guide the router linearly along the central axis of the turning and the router spindle would be centered vertically above the center of the turning so that you could lower the bit by the plunge mechanism and then push the router from a stop to a second stop thus cutting a dado. Then you would retract the router and move it back to the first stop, disengage the pin that holds the spindle of the lathe still and rotate the spindle so that it can be locked again at the right hole on the indexing plate. I have seen pictures of such a jig either in a book or on the internet but I can’t remember where.

You would have to put some thought into how to build it unless you can find a picture of such a jig and then you could just copy the jig from a picture. You could also mount the router so that the spindle is at 90 degrees from the top so that the router bit is horizontal. This might even make the jig simpler to build because you could bolt the frame work of the jig to the lathe bed if you had enough clearance between the bed and the turning. Maybe someone knows a picture of such a jig that they can link you too. A picture is always worth a thousand words.

If I have misunderstood you then I apologize.

-- If a man does not keep pace with his companions, perhaps it is because he hears a different drummer. Let him step to the music which he hears, however measured or far away. Henry David Thoreau

View PurpLev's profile

PurpLev

8476 posts in 2303 days


#5 posted 09-27-2010 06:56 PM

what helluvawreck said. at least for this particular case of the chandelier

-- ㊍ When in doubt - There is no doubt - Go the safer route.

View gul's profile

gul

398 posts in 1616 days


#6 posted 09-28-2010 05:15 PM

Thank you so much for helping me.I don’t have lathe but i do have a router and i think the best way is the router pin guide, like Eric_S suggested.
Helluvawreck,Thanks so much for such important info about lathe,it will come handy someday :)
You guys rock!

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