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Wrong tool orientation using Mastercam plugin
#1
Dear RoboDK Team,

i am quiet new to the Topic.


I try to get a 5 axis G-Code running via the mastercam plugin but I have problems to get the right 5 axis tool orientation. When generating the robot programm it always outputs a toolpath where the tool orientation ist Z+ (vertical in my coordinate system). 


I tried to reproduce it with an easy geometry. So i tried to get a toolpath for an easy circle which is placed on a side of a vertical surface. So the tool orientation should be horizontal. The simulation in Mastercam shows the right result but in RoboDK the circle is again horizontal an the toolorientation ist vertical ( Z+). I attached some pictures for this example.

The same with 5 axis simultaneous toolpaths. Doesn´t matter which toolorientations were given in Mastercam. The Mastercam-Simulation shows the right toolpath but in Robodk its always vertical/ Z+

I use Mastercam 2019 ,the default "Mill Default MM" post processor and RoboDK Version 3.6.0


Looking forward to your reply.

Thanks!


Attached Files Thumbnail(s)
       
#2
Hi Frederic,

It look like the problem is with the orientation of the reference/datum and not the tool.

Can you provide Mastercam and RoboDK files so that we can reproduce this issue? We'll fix it as soon as possible.

Albert
#3
Hi Albert,

thanks for the quick reply.

Attached you can find the Mastercam and the RoboDK files.

Thanks.

Frederic


Attached Files
.zip   Mastercam-RoboDK_5Axis_Test.zip (Size: 584.1 KB / Downloads: 6)
#4
Hi Frederic,

I'm unable to reproduce this issue. I see the same toolpath and tool orientation in both Mastercam and RoboDK, as shown in the following image:
   

What Mastercam version are you using?
I also recommend you to uninstall RoboDK, download and install again.

Albert
#5
Just to clarify:

Did you use RoboDK's plugin for Mastercam?
More information here:
https://robodk.com/doc/en/Plugin-Masterc...#McamIntro

If you prefer to not use the plugin you can just load Mastercam's NCI files.
#6
Thanks for your fast response.

I am using Mastercam 2019 with the RoboDK Plugin. I will try to reinstall RoboDK.

Reinstalled RoboDK.

I tried it again without using the Plugin. Just directly importing the NC-Code. But tool orientation ist still vertical and as you can see the result ist quiet strange because it isn´t even a circle in the horizontal level anymore.

What "Part" did you add to Frame 2?

Ah got it! When I use the generated NC-Code it gives the wrong result seen above. When I use the Plugin and use the Mastercam NCI Code than it works.


Attached Files Thumbnail(s)
   
#7
Thank you for your feedback. I'm happy to hear you were able to make it work using NCI files.

If you prefer using NC files or G-code it would be better to use a generic 5-axis machine configuration with a generic 5-axis G-code post processor.
  




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