spumco wrote:blarkscnc wrote: but if I do x200 f1200 the "fset" is at 1200 but the "Fact" is at 3000 which is what I have set at max velocity.
I just noticed this...
Exactly how did you program the move in the MDI (manual data input) field?
Did you program "G0" or "G1"?
No I sorted that out, yes I did G0, my mistake
spumco wrote:Next sanity check:
Please post:
1. Material being cut - 6060 and 6061
2. Cutter diameter - 2mm
3. Cutter # flutes - 1
4. Cutter material - Carbide
5. Cutter coating, if any - none
6. Depth of cut - .3mm
7. Width of cut - 10mm pocket but obviously using cutter diameter
8. Cutter RPM - approx 13000, but I did go up and down to test.
And we can double check that the cutting parameters are reasonably appropriate - regardless of whether it "worked before" under other circumstances.
Thanks for the help spumco much appreciated. I think the feed rate is correct after much research and a little bit of math. I tried a 3mm single flute at 1200 .3mm DOC and was better but went south a little bit after a few runs. I've gone through about 12 2mm cutters today so I'm a bit grumpy and bewildered why I seem to be getting random results. when I had the operation which was set at 1200mm/min and reduced to 30% the 2mm cut was fine then it wasn't. tried the 2mm on the stepcraft with an operation that I had done before at 1200 almost instantly snapped 2 cutters. went to 3mm cutter same feeds and was ok on the stepcraft then started to get built up edge when I wen to the cbeam machine, maybe the cutter went dull? As the settings are what I used before, I cut out an rc shock tower see image, and now it seems the settings are not working or for some reason I am doing something wrong.