Hi Sourdough - welcome to HomemadeTools.net
I'm going to move this discussion into our Tools in Progress subforum, so you can get some ideas from your jig.
I make small tables, trays, and such, in my one-man company in Montana. When I see a design that makes me wonder "Could I built that?" I may go for it. I also make chairs and cradles for dolls (though there are no dolls in my shop).
Jigs interest me. Now, I want a jig to hold table legs at an angle for drilling. Most such jigs online tilt back to front but the length of a leg demands a jig that tilts sideways, and tall enough for the leg to clear the edge of the drill table. Suggestions will be appreciated.
This has been the challenge for all Chair and stool builders for thousands of years. I'm sure the technique you're looking for is common to Windsor chairs. Find a book that answers your question.the only suggestion I can make is to build two triangles for both angles, set them on board and sight them as you drill. Or have some one else them with you. That or use a drill press, angling the base for one angle and a shim for the other.
That is an interesting question... I generally build my pieces with primarily straight and square joints and lines in a Scandinavian style with all the corners rounded and smooth... I know the problem you are having and also suggest using your drill press with a slanting jig and shims, or angle the drill press table to account for your secondary angle... This problem is exactly why I build the type and style of furniture that I do... For me it is way too time consuming to have to set up these sort of jigs just to get the legs set on a chair or table, especially as I am not a fan of the style in the first place... I wish you luck though, and commend you for your commitment to your craft....
For such work I prefer the olde worlde way....... drill brace loaded with the relevant bit and a as I call it incidence block basically a single or two plates made of plywood cut at the relevant angles centred and mounted on a 2 x 1 drilled with a hole large enough to clear your bit........ This means no drill table as in drill press just elbow grease and a workbench!!!! I tend to make these as I go and scrap them send me a pm with contact details and i'll try to assist with some drawings....... ps cnc sketchup whats that and how? i'm more protractor and compass scrap paper merchant but be glad to help if I can
Use two tilting drill press vises to establish the required compound angles then drill a through hole in a block of wood. Clamp said block to the chair seat and use an electric drill or brace and bit to drill the hole into the chair seat.
If you don't have two DP vises, cut an angled block on the table saw and use it to tilt the tilt vise for the first angle.
Home Shop Freeware
Hey Sourdough, I understand your problem had the same issue years ago when I was still furniture restorations. Think ball and socket,I built my jig out of 1/2 pipe and scrap ironwood for ball and hard maple for socket. Drill rod threaded with platform to clamp piece to will leave it to your imagination to design as you please. But I can go into detail if you have trouble. I turned ball on lathe but can buy all parts you need at Home Depot. Woodcravers also have something similar for in the round work.
Wish I still had the one I made,guess just have to make another one better this time. Good luck
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