sorry, insert random excuse here. got hit with a few surprises in the home life have been a bit tied up. so after a bit of digging. i haven’t gotten around to revising/revisiting these projects since 2016, and they were not done with to my current level of jobs recording. best i can determine is the following.
the bits are going to be .125" ball nose end mills(these are the specs i have in my evernote listing).
Autek10x 1/8" Titanium Coated 2 Two Flute Carbide Ball Nose End Mills CNC Bit Router 22mm(2Qx3.22Tix10)
* Shank diameter (SD): 3.175mm,cutting edge diameter (CED): 3.175mm
* Cutting edge length (CEL): 22mm
* Pack size: 10pc
* Total length: 38mm
* 27mm stickout
at the time i probably got them from eiter aliexpress or amazon.
for cutting my notes say something along the lines of
0.1mm depth of cut
1092 mm/min feed rate
20000 rpm
312.8 mm/min plunge
i used gwiz calc which has changed and i have since added a speed control to the router so these values may be not be the best.
additional notes scrounged from various forums that i saved but are UNVERIFIED. found at.
http://www.talkshopbot.com/forum/showthread.php?20749-Speed-feed-for-3d-cutting-of-corian-with-tapered-ball-nose-end-mill
Corian cuts well but it is hard,
for profiling and pocketing we use a 1/4" up cut and o flute,
1/8" up cut, and 1/16" o flute bits and all cut well just need to go slow and take your time.
With the bits feeds and speeds are:
1/4" 2-3 ips @ .125-.25 @ 12000-14000 rpm
1/8" 1-2 ips @ .0625-.125 @ 12000-16000 rpm
1/16" .5 ips @ .003 @ 16000 rpm
1/4" 50-75 mm/s @ 3.175mm-6.35mm depth of cut @ 12000-14000 rpm
1/8" 25-50 mm/s @ 1.5875mm-3.175mm depth of cut @ 12000-16000 rpm
1/16" 12.7 mm/s @ .0762mm depth of cut@ 16000 rpm
hope this helps. best of luck. remember you don’t want to breathe this stuff.