Need Help! KMotionCNC Tool Setup - Trajectory Planner Velocity setting unresponsive


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Thread: KMotionCNC Tool Setup - Trajectory Planner Velocity setting unresponsive

  1. #1
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    Default KMotionCNC Tool Setup - Trajectory Planner Velocity setting unresponsive

    Greetings,

    I searched the forums and did not find a solution, so I apologize if this has been asked before.

    When I set the velocity and acceleration using the KMotion console or C code to the KFlop channels, it affects the G0 speed as expected.

    But, the only way I can seem to increase the speed of the G1 commands is by increasing the counts per inch inside of the KMotionCNC, setting the velocity parameter right next to the counts / inch doesn’t seem to accomplish anything.

    Does anyone know of a reason why the motor would not increase in speed when I adjust the velocity, but can keep being adjusted upwards in speed by changing the counts per inch?

    Thanks very much in advance to anyone who can provide some insight.

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    Last edited by EnviDC; 04-07-2016 at 06:56 PM. Reason: formatting


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    Default Re: KMotionCNC Tool Setup - Trajectory Planner Velocity setting unresponsive

    Are you setting the G1 speed via an F command?



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    Default Re: KMotionCNC Tool Setup - Trajectory Planner Velocity setting unresponsive

    I am having the same problem. If I move in 1 inch increments with KmotionCNC it moves nice and fast. But if I use the jog buttons, it moves really slow. I tried velocity values from 1 to 420 in the trajectory planner and it still moves at the same speed. The only way I can get it to move fast is by changing counts/inch, but then my 1 inch moves is no longer 1 inch.

    EDIT: It moves nice and fast when I use step response in Kmotion. It's only when controlling it with KmotionCNC. I even tried changing feedrate in the gcode program.

    EDIT2: I think I figured it out. I changed the "jog" values from 1 to 10 in the trajectory planner and was able to obtain the speeds we are looking for.

    Last edited by bcmaint; 04-12-2016 at 03:21 PM.


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KMotionCNC Tool Setup - Trajectory Planner Velocity setting unresponsive

KMotionCNC Tool Setup - Trajectory Planner Velocity setting unresponsive