dave_in_austin wrote:E.Marquez wrote:dave_in_austin wrote:With those thick top plates, it looks as if you will need extra long tooling.
Not at all, pretty standard stuff
Endmill specs:
0.3125" Carbide Endmill 3 flute, 0.750 length of cut, 4.00" overall length
4 inches is pretty long for a 5/16 end mill. There is the potential for a lot of flex. You would have to take pretty light cuts.
It is about the longest OAL you'll find in a "standard" end mil..
I just went and measured a dozen smaller end mils of the 4 5/16 end mills I have, 2 were 4" OAL, the rest smaller. All of the smaller dia end mils I had were in the 3~2" OAL
So Yes I agree my memory was fuzzy... 4"OAL on a 5/6" is longish for a standard end mill in that size.
With a moderately ridgid set up and the type of material being cut, cut depth would be best in the .1250 " or less. And that's going to be a requirement anyway with the tooling most folks are going to use at home, a cheap router.. a tool not really designed for the task,m but seems to do the job just fine.
I looked at building a jig to do this ...but it was not worth my time vs the minimal cost for a decent pre made jig.
If you're going to use the jig more then once, I would make sure the jig has steel drill bushings, and steel guide plates for the router
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