Hello, Today I ran into a comparison of hobby CNC software on a russian forum. The guy made a test trajectory and run it on a few CNC's. Here's the results: KMotionCNC - 2:59 NCStudio v5.5.60 - 3:12 EdingCNC - 3:47 Mach3 - 5:25 PlanetCNC - 11:24 LinuxCNC was not tested.
So I installed a fresh 2.7.0~pre4 from git, edited axis_mm config to 100mm/s and 25mm/s2 for XY and 250mm/s2 for Z (by the test conditions). I also set G64 P0.1. The results were pretty unpredictable: 5:05 for arc segments and 4.50 for line segments with ARC_BLEND_ENABLE = 0 5:23 for arc segments and 6.50 for line segments with ARC_BLEND_ENABLE = 1 Looks like ARC_BLEND_ENABLE switch is inverted. The way how it follows the trajectory confirms that too. Also, 2.7 often shows an arbitrary non-zero velocity on preview when the actual velocity is 0. -- Andrew PS: I attached the test files, in case someone wants to try.
arc.ngc
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line.ngc
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