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Hi,
I have been working some years with Fusion mostly 2d strategies for CAM, and recently have started really getting into 3D CAM. Our machine is a simple one, 3-axis with a max working height of 200 mm(235 mm under the holder). The project I am currently working on is however 185 mm high!. I was just able to fit a small 8 mm mill in, and managed to mill the first 185-123=62 mm down. Now I would like to go deeper into the object, by fitting a 10 mm mill, that has 80 mm length under the holder. Obviously it cannot retract over the object, as it is still 185 mm high, so it must stay down!!. Cannot find how to make 3D Adaptive avoid the previously processed stock, it still sometimes plans right through it(or tries to go over it) Have made a new setup using the stock of the previous setup(the 8mm mill), and tried all sorts of things: machining boundary, fixture definitions, etc.
Have partitioned the machining boundary in 4 quadrants to see if that woudl help.
This was a lucky shot I guess, here it worked:
This is mostly what I get, right throught the previous result, the tool path is good, intermediate move seem to ignore the boundaries..:
Anybody any ideas?
Solved! Go to Solution.
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Hi @joelnap,
You can play with some boundaries, Maximum Stay-Down Distance, and Stay-Down Level.
But to help you better you can better share your file?
Without seeing it, it is hard to help you with your problem and see if those settings help to get what you want.
Within Fusion 360, choose File > Export and save it on your desktop.
After that upload it to this topic so that one of us can take a look at it.
If my post answers your question Please use Accept as Solution & Kudos This helps everyone find answers more quickly!
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Hi Marco,
Thank you for your reply, your remark on the "stay-down distance" solved it in the end. However not with 3DAdaptive, that function does not seem to respect the previous stock. However 3DPocket did a very good job.
I cut the work in 4 sections, and recreated what 3DAdaptive does: in 2 steps down, first 5 mm, then fine 1 mm. The sections I have used for machining boundary and stock selection. Had to execute this in 8 steps on the CNC but it worked..
Fusion