QCAD Bugtracker

  • Status Assigned
  • Percent Complete
    0%
  • Task Type Feature Request
  • Category QCAD/CAM
  • Assigned To
    Andrew
  • Operating System All
  • Severity Low
  • Priority Very Low
  • Reported Version 3.26.4
  • Due in Version Undecided
  • Due Date Undecided
  • Votes 1
    • CVH (10.11.2021)
  • Private
Attached to Project: QCAD Bugtracker
Opened by Jean-Paul Mieville - 01.11.2021

FS#2307 - Tools to create dogbones or corner overcut

The inside corners of profile tool paths have rounded inside corners. This occurs because the rounded outside the bit cannot make it all the way into the corner of the feature. Think of tracing the inside wall of a cardboard box with a can of soup. The can makes direct contact with the box walls, but its
round shape is unable to completely fit into the tight corners— there’s always a gap.

In a dog-bone overcut (see the figure in attachment), the inside profile corner is enlarged into a semicircle, allowing the sharp edges of the mating piece to slide through without interference.

When a dog bone is applied to the inside corners, as shown in the second figure in the attachment, the joints fit together nicely!

The following website explains what should be implemented More elegant CNC dogbones

There are two ways to implement this tool. Either you modify the original design (as implemented in Fusion 360) or you can do it at the moment you define the tool path (Estlcam allows you to do this for example). See the feature Corner overcut, on Estlcam website

Jean-Paul Mieville commented on 01.11.2021 17:52

I made a drawing to explain

CVH commented on 10.11.2021 10:47

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