I’m making a frame to go around a stain glass present. Reading around on FWW I figured I will make a normal frame with mortice & tenon joinery with a beaded detail for the front. I want to try a new technique so I’ve chosen to have the beaded detail a part of rail/stile and miter where they meet, rather than make a frame and add bead detail with separate piece of wood.
http://www.taunton.com/finewoodworking/SkillsAndTechniques/SkillsAndTechniquesArticle.aspx?id=30762
On the back I’ll use nailed strips, in case a repair is needed.
My question is focused on the beaded detail and what size of bead router bit to get. If I need that front wall of the groove to be 3/8×3/8 Then should I get a 3/16radius bit? or do people choose smaller bead bits and the miter passes farther beyond the bead.My thought is to remove the back wall and nail wood for the back, so I can remove glass for repairs.
Also how thick does the groove wall have to be that bead doesn’t reduce the strength?
For the questions above I was thinking of a bit like this:
http://routerbitworld.com/Amana-54164-CORNER-BEADING-3-16-RAD-1-4-SK-p/amana%2054164.htm
Lastly, I know I could make a scratch stock, but due to time, I’m thinking sticking with the router bit approach.
Replies
I think I've found the router bit mentioned above as a Quirk Bead Bit
I'm unclear on where you are considering adding the bead detail. The bit to which you linked is nice for adding a bead at the edge of an otherwise rectangular cross-section, such as at the base of a box or along the edge of a mitered joint. Most rail and style bit sets, however, create their own edge profile.
I'm planning on using it on the edge so the detail is on the front of the frame. A better way of explaining the final look is this:
http://www.amanatool.com/articles/Constructing_a_Beaded_Face_Frame.htmlBut with a grove on the back side for glass. The example link above is just for a face frame.
Ah, OK, that clarifies your plan. Although the only real stress put on the bead would be the momentum of the glass involved in opening and closing the door, you might want to select a beading bit of small enough radius that the groove for the glass will extend into the frame behind the bead.
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