Mortise and tenon joints

[paco]

I'm in!!

That could be really COOL to work on public/common programming projects... I'm just about to start my brain cells on a paricular calculation that I'm sure I could speed up with some help... but I'll try myself first...

Back to Wayne "problem"/Morris suggestion, I see this as a two part project; we need two file that is one for the tenon and one for the mortise... what would be the rule we would need to respect about a good tenon/mortise strenght and fitness?

Anybody else in?

[srwtlc]

To save a bunch of typing, here's a good primer.

The mortise files would have to be run 2D offset after positioning the tool to the proper location.

[mrdovey]

Paco...

The first rule should probably be that the tenon should not be larger than the mortise in any dimension.


Here's a quick and dirty piece of sample code:


draft code

TENON.SBP (2.3 k)

I hope this helps.
...Morris

[mrdovey]

There are a couple of "oops"es in the sample code (the draft code was too quick and very dirty):

[1] I haven't seen a bit with a 2-1/2" CEL, so take that with a grain of salt.

[2] I screwed up the diameter for the CP commands; but suspect that everyone can spot (and correct) that error without much difficulty. I don't normally use any of the provided arc/circle cutting commands and forgot to add the diameter of the bit to the thickness of the tenon for a correct (true) path diameter.

Sorry.

...Morris

[ron brown]

Morris,

One of the things I have never done is any programming - well a little 25 years ago - and struggled to learn it then. Thanks for the intro into the tenon program.

[1] - about 15 years ago I bought four 1/2" diameter X 3" CEL router bits. I have one left. I use it only on projects it is really needed.

[2] - "Tenon thickness" will be a good place to put "clearance". This dimension will depend on personal tastes and glue type, IMO.

[3] - I really like the *** Add code here to clean up shoulder *** - this really should be done before the tenon is finished. It will also need some "if" commands.

Thanks for taking the time to give us ignorant folks a start.

Ron

[mrdovey]

Ron...

I doubt there are many ignorant folks around here - and suspect that many of the non-newbies could have provided a better intro program.

Really good code would probably cut the tenon in multiple passes with the depth of each pass calculated from the diameter of the bit.

I only have 5+" on z travel available, so I tend to think in that reference frame. I can only envy your ability to use a 3" CEL bit on your machine!

...Morris

[beacon14]

new thread: programming with SB commands