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Dean makes some nice parts I've seen them in the flesh.:victorious:

Don't mean spiral tool entry into the material, suppose could be called ramped profile.?. The toolpath I'm talking about will ramp/spiral down the whole way around the profile to the depth you set....

Bloody hell Dean can't believe been 19mths.!!.... Seems like 6mths. The machine does well to say was never really designed to cut aluminum.!

Listening to that video you need much more air you can...

Hi Dean

A lot will depend on your machine type, rigidity etc. but:

I use 6082 for almost all my projects and use a 6mm 3 flute serrated carbide rougher when clearing lots of material and when...

Those are guidance and machine specific.

Try uncoated 2 flute endmills for alu (both for roughing and finishing). Roughing 3 flute endmills (corn cobs) work well and like to be driven hard (much...

well going by cutwels data they recommend 6300rpm and 280mm/min so I think you are going much too fast for it.
https://www.cutwel.co.uk/FileDepository//ProductId%20-%2074/Cutting%20Data%20E2752.pdf...

You could use inkscape to recreate these images at a better resolution relatively easy using the trace function.

Have a look on youtube there's plenty of tutorials.

I always remove the film on both sides, the top layer gets in the way of the coolant/air i've found.

Lovely work man.

Wal.

From titanium, I think you'd be asking for trouble. If the part was smaller and a sensible material then you could consider using the mill as a lathe, like I did here:

...

>but would this be pos on CNC miller.

No reason why not, but you'd be getting into jigs and having to think seriously about some work-holding issues.

If I only had one to make (in an emergency)...