Optirough stock to leave problem (bug?)

[ManMadeDesaster]

Hello, 

 

has someone tried for example stock to leave walls 0.2mm and stock to leave bottom 0.3mm and also experienced extra stock left on walls? why does it leave extra material on walls if i tell it to leave more on bottom? (fyi it leaves the wanted stock to leave on bottom). I am assuming its a bug, or i have done something wrong but doesnt make sense because step up cuts remove the extra material.

 

i have uploaded a educational mastercam program which contains two toolpaths, both have 0.2mm stock to leave on walls but one has 0.2 and the other has 0.5mm on floor
 

btw sorry for my bad english

Tadsdwadsadwadswa.emcam

[TFarrell9]

Well, I can't give you an exact answer as to why. I played with a few different settings, without change. 

But, when enabled Line/Arc Filtering Settings, it worked the way you want.

Edit: I suppose it's worth noting to you that you'll essentially always want to use the line/arc filtering settings, or else you'll end up with  a massive file. 

Tadsdwadsadwadswa.emcam

Edited October 21, 2022 by TFarrell9
Explanation

[DayAndNight]

On 10/22/2022 at 3:31 AM, ManMadeDesaster said:

Hello, 

 

has someone tried for example stock to leave walls 0.2mm and stock to leave bottom 0.3mm and also experienced extra stock left on walls? why does it leave extra material on walls if i tell it to leave more on bottom? (fyi it leaves the wanted stock to leave on bottom). I am assuming its a bug, or i have done something wrong but doesnt make sense because step up cuts remove the extra material.

pou

i have uploaded a educational mastercam program which contains two toolpaths, both have 0.2mm stock to leave on walls but one has 0.2 and the other has 0.5mm on floor 

btw sorry for my bad english

Tadsdwadsadwadswa.emcam 840.73 kB · 1 download

I wonder the same thing. If someone knows the answer, I'd appreciate it if they tagged me. 

[JParis]

As most can't open an Educational file it would better serve you if you have an full version file that someone might dog through....

[Leon82]

If it's an angles wall Mastercam will average it out as you are telling it 2 different stock to leaves for that feature.

 

You can use a containment boundary to controller wall stock also

[TFarrell9]

28 minutes ago, Leon82 said:

If it's an angles wall Mastercam will average it out as you are telling it 2 different stock to leaves for that feature.

 

You can use a containment boundary to controller wall stock also

It's just an open pocket with vertical walls. 

Mill vertical walls, steep/shallow changes, stepdowns, and boundaries made no change, but line/arc filter settings did.

[ManMadeDesaster]

sorry for the late reply

I have experimented a bit more and im sure its definitely a bug. The new mastercam file has an extra step in the solid. I have changed the stock to leave from 0.2/0.5 to 0.2 and 0.21mm

if you activate the first toolpath and look at the red lines from top view, the toopath is basically right on the money on the lower pocket (the right side of the toolpath will leave 0.012mm less stock) but will still leave extra material on the higher step, also it will cut on the outer edges, which is unwanted. The step up cut will actually cut whats left from the first cut. If you activate the second toolpath, the toolpath will leave *exactly* 0.2mm stock on all walls. If i change the stock to leave to lets say 0.5mm on walls and 0.2 on floors then there is no problem.  

basically the toolpath will leave extra undefined stock on walls on the first cut and on the step up cuts it will remove the extra stock.

 

2d dynamic doesnt have this problem.

for those who cant open educational files i have uploaded screenshots

Tadsdwadsadwadswa.emcam

[ManMadeDesaster]

5 hours ago, journeycheck said:

j

i am confused