Thank you all for you comments and suggestions. I have much to think about, when I get the time. Basic info:
Cutting area about 8"W x 6"H
Raster Rough cut bottom to top: 1/4" cutter, 2 passes, to 0.4598 depth, Chip load 0.0014. Lots of expensive sawdust. No issues.
Raster Finishing cut, bottom to top: the Sienci cutter I have indicated. Program says 0.4998" depth, at a chipload of 0.0016 (far less than Sienci rating). It starts at that depth on the bottom flat section, and then starts to get deeper as it encounters the vertical of the model. Parts of the vertical are abrupt, as one would expect, and I do hear more loading, but not much, IMO. I also note that at the top, once it has finished the verticals, the flat cut stays at a steady depth, but it is far deeper than 0.4998", of course. I did see it deepening, but decided to let it run to the end. No earthquakes in W Ottawa…lol
I am convinced that the issue is the weak holding power of the Makita collet, as indicated by TDA. Will try to understand the information provided and will KYP. Have another project in mind, much larger, at almost a 1" depth model, and do not want to attempt until after I get this resolved. Thank you all again.
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