2D Contour: More finishing overlap than specified/tangential fragment extension distance has no effect

[FrodoLoggins]

1: If I specify a finishing overlap of 1" the result is much more than one inch. The part shown is about 7.8" x 9.8" yet a 1" finishing overlap makes the lead out jump to the other side of the part:

No overlap:

1" of overlap:

2: Tangential frag extension distance seems to have no effect; lead out is in same location regardless of the TFED value:

[seth.madore]

Using Ramp and Multiple Depths in conjunction tends to lead to some unexpected results. They typically shouldn't be used together, since those both serve the same purpose essentially

[FrodoLoggins]

Well I'm using multiple depths because this is being milled on a router that isn't very rigid and I'm using a ramp to avoid plunging the end mill. Any plans for this to be fixed/improved?

[oleg.tikhomirov]

@FrodoLoggins Thanks for feedback. I'm not sure if it's a bug or by design behaviour for "finishing overlap". Now it's applied to each z-level even if toolpath ramps down. Easy to see on the screenshot below (you example with disabled Ramp). It means that start point for the ramp is moved further along contour on each z-level and we have final lead-out very far away from toolpath without "finishing overlaps".

@seth.madore What do you think? Is it worth ticket?

[seth.madore]

@oleg.tikhomirov thanks for prompting me on this. I've opened up CAM-44539 to investigate this issue.