Yes we have taken the same route on the design.
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Can’t wait to see it! 
This is the difference, I have a plate already mounted but it only has a single row of bolts and I noticed some flex in that joint so now I have made it twice the thickness and 2 rows of bolts.
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Gonna guess you have the linear rails at the edge of the extrusion (from the spacing I see in your design)? Probably adding to the lever forces of the adapter plate. I was a little OCD and center’d my rail to the extrusion [center] groove and edge, but also caused things to be more claustrophobic.
Yes I have, it was so much easier that way. More simple to design and easy to fabricate. Had a another design at first but it got to complicated for me at the time, I really want it to be a billet some time 
.
But wow what a machine the shapeoko has become with linear bearings on all axis.
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Yeah, KISS is usually best 
It took me over three months, and probably about 4 prototype’d iterations.
Can’t agree more, no regrets!
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This last part was cut at 3000mm/m 1mm DOC
full with cut when slotting contour. 2700mm/m 9mm DOC 0.3mm OPT. With a 6mm Datron single flute.
Faced using Datron 14mm single flute 1000mm/m 0.3mm DOC 10mm OPT.
45degre face was cut with a 6mm ballend at 2000mm/m 0.5 DOC and 0.3mm stepover.
Drilling was done with a 4mm has drill att 13000rpm and 60mm/m feed no peck.
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Did some work in 7075-t6 today. at 2700mm/m 4mm WOC 1mm DOC spindle at 30k.
Chipload is about 0.1mm
Datron 6mm 4in1 endmill.
Pretty happy how it turned out.
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3-flute cutter / good old 0.001" chipload?
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I always forget some data 
So a hefty 0.004" chipload…I need to get me some of those Datron single flute cutters to try that someday.
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Yep it’s quite a load on the spindle but if you never try you never know/learn 
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Ah, but I see you have linear rails. I’m not sure my V-wheels would enjoy that 0.1mm chipload so much.
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Yup - machine load is much worse than spindle load. 
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Datron 4-1 are simply magical! Pretty jealous you have that 14mm SF, bet it runs smooth!
Do you have any tips for high load high rpm machining? Toolpath tips?
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Yes i really like Datron and for me in Europe it’s not more expensive than carbide3d’s.
So now the answer to that question, I have just gone by the Datron default settings and scaled down to my spindle power and from there by feel( eyes and ears) I like to have silent cuts so to speak. Light and fast seems to be the way to go. @Vince.Fab it’s actually you that have guided me along this path .
Oo and I have burnt a lot 
on the way.
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Yes I have gone with the full upgrade so to speak 
