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How to engrave flat areas?

Message 1 of 5
205 Views, 4 Replies

How to engrave flat areas?

Screenshot 2023-07-06 112431.png

I combine 2D Adaptive Clearing with Engraving as described in this post . However, a small area remains, which cannot be reached by the endmill of the Adaptive Clearing operation. How can I clean out this small area?


Thank you for your help.



Message 2 of 5
in reply to: herrpeterpaul

I'm thinking that a 3D toolpath might do what you're looking for, but it's hard to tell without a file. Could you share your Fusion file?
File > Export > Save to local folder, return to thread and attach the .f3d file in your reply

Seth Madore
Customer Advocacy Manager - Manufacturing
Message 3 of 5

Hi, thank you. I attatched the file.

Message 4 of 5

Take a look at the attached file.

First I changed the minimum cutting radius in the adaptive cut to 0.1mm to reduce the material in the corners.


Then I used a 2d pocket with rest machining enabled. Note you can't use a spot drill so I used the chamfer mill you'd set up. Also I edited both tool and set the tip[ to 0.1mm as I doubt the tool has an exact point.

For rest machining tool diameter you need to add the stock to leave from the first pocket plus minimum cutting radius x 2 + cutter diameter. So I just used 3.5 + 4 = 7.5. Then set the max stepover to 0.2 and radial stock to leave to 2mm give this toolpath.




Mark Hughes
Owner, Hughes Tooling
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Message 5 of 5

Thank you! That was really helpful.


The important points for me were to use an additional 2D Pocket with Rest Machining enabled and a Maximum Stepover to clear out the area.


I tested engraving with the chamfer mill as well. This works, however, I had to add a bit of extra to the formula. So something like (stock to leave of first pocket + minimum cutting radius) x 2 + cutter diameter + .5


And just for completeness the formula to compute the stock to leave is: tan(angle of chamfer mill) * pocket depth.


Thanks again


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