Hi everyone:
I am in the process of rounding over a bunch of tenons for a Morris chair. I am using a file to achieve this and it’s working well with the exception that in order to protect the shoulder I am being careful to make sure the file doesn’t come into contact with the shoulder. This is leaving about 1/32″ of material at the shoulder which is affecting the fit.
Any ideas how to take care of that last little bit of material without destroying the shoulder?
Thanks
Alex
Replies
Shoulder
A sharp gouge with a very moderate sweep or a dremel tool.
SA
Re: rounding tennons
How about grinding the sides of the file smooth?
files are made one-side safe
I have a range of files from Brownells that were designed for use in gunsmithing. They have the edges smooth and they work just fine on wood.
Forrest
sand paper
When making mt joints, always make the mortise 1st, then the tenon. The #2 rule is to make the tenon just a tad larger then the mortise cavity and then shave it down to size. A 32nd is perfect... now fit it to the mortise using sandpaper. It doesn't take a lot of sanding to take a 32nd off a tenon.
A dry fit mt joint should assemble tool free with a hand or muscle fitted joint. Once dry fitted together, you should be able to pick up the jointed pieces and they should hold. The also need to be disassembled by hand (no mallet or tools required).
a different approach
Or, address the issue from the other side - square out the corners of the mortise for the deptch of the un-rounded portion of the tennon as it will be hidden by the tennon piece when assembled.
This forum post is now archived. Commenting has been disabled