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Robot Ignoring Blending Radius During Multi-Axis 3D Printing

#1
Hello,

For one of my RoboDK projects, I set the blending radius to 5 mm. However, when the robot moves vertically along a curved path, the motion from one point to the next becomes very abrupt instead of smooth.

I was wondering whether this could be due to too few points along the curve.

Could it also be because the printed object is very small, so the robot is not effectively applying the blending radius?

Please refer to the attached video for reference (it only shows the motion without extrusion).

Robot: JAKA Zu20


.mp4   20260412_050012_1_1.mp4 (Size: 23.47 MB / Downloads: 7)
#2
The abrupt motion you are experiencing despite setting a 5 mm blending radius could indeed be related to the number of points along the curve. If the movements are very small, the blending radius might be too large relative to the path segments, causing the robot to ignore or not effectively apply the blending radius.

I assume you are generating the program offline? Can you share your RoboDK project file?
  




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