Hello, I hope this isn't too dumb of a question. I did search the archives and the manual first but couldn't find an answer there. The problem is that the MAX_VELOCITY set for my Z axis is ignored by linuxcnc during both homing and feeds. I have it set to 0.2 IPS but Axis shows 12 IPS during homing. Is there something I'm missing?
My machine is a fairly straightforward four axis (XYZA) stepper driven machine. The A axis rotates about the Z axis and is basically a tangential knife type of setup. The X, Y, and A axis work fine but the Z axis uses a Parker linear stage that doesn't like to be driven very fast - about 0.25 IPS is about all it can do before it starts to squeal and miss steps. The SCALE value is correct since positioning is right on. These are the INI settings for the Z axis: [AXIS_2] TYPE = LINEAR MAX_VELOCITY = 0.2 MAX_ACCELERATION = 3.0 STEPGEN_MAXACCEL = 3.5 SCALE = 10160 FERROR = 0.05 MIN_FERROR = 0.01 MIN_LIMIT = -0.2 MAX_LIMIT = 1.7 HOME = 1.5 HOME_OFFSET = 1.0 HOME_SEARCH_VEL = 0.15 HOME_LATCH_VEL = 0.05 HOME_SEQUENCE = 2 I've attached my INI and HAL files just in case. I really appreciate your help, thanks - Claude
painter.hal
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painter.ini
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painter_postgui.hal
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