Need Help! INVERSE TIME FEEDRATE OPTION FOR 6 AXIS


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  1. #1
    Gold Member amitkumar171's Avatar
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    Default INVERSE TIME FEEDRATE OPTION FOR 6 AXIS

    Hi All

    I am using Kflop board for 5 axis. But now i want to use the same for 6 axis as well.

    Inverse time feedrate option available in kflop is for 5 axis only.

    I want to know that how do i use the same inverse time feedrate for 6 axis. eg X,Y,Z,A,B,C.

    Waiting for your kind reply.


    Thank You

    Similar Threads:
    Regards

    Amit Kumar


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    Gold Member TomKerekes's Avatar
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    Default Re: INVERSE TIME FEEDRATE OPTION FOR 6 AXIS

    Hi Amit,

    Inverse time should work for any number of axes. Why do you say it is only available for 5 axes?

    Regards



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    Default Re: INVERSE TIME FEEDRATE OPTION FOR 6 AXIS

    Quote Originally Posted by TomKerekes View Post
    Hi Amit,

    Inverse time should work for any number of axes. Why do you say it is only available for 5 axes?

    Regards
    Hi tom, i want to know how to turn off inverse time feedrate option for 5 axes because it is causing jerk in machine movement.

    I want to make machine movement smooth that is only possible without inverse time feedrate. How to turn it of for X,Y,Z,A,C axes.

    Waiting for your kind reply.

    Regards

    Amit Kumar


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    Gold Member TomKerekes's Avatar
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    Default Re: INVERSE TIME FEEDRATE OPTION FOR 6 AXIS

    Hi Amit,

    I'm confused. In your first post you seem to want to use inverse time for 6 axes? Now you don't want inverse time for 5 axes?

    Anyway,

    G93 sets the Feed Mode to inverse time.

    G94 set the Feed Mode to units per minute.

    So use G94 to turn off inverse time feedrate.

    Can you provide a simple GCode example of "jerky" motion?

    Regards



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    Gold Member amitkumar171's Avatar
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    Default Re: INVERSE TIME FEEDRATE OPTION FOR 6 AXIS

    Hi tom,

    i am using following g code

    G1 X-3.096 Y-41.478 Z70.724 A90.021 C-3.509 F1000

    TO

    G1 X-5.052 Y-45.586 Z65.724 A85.092 C-5.365 F1000

    But when i run the g code in kmotion cnc i am getting feed of 5 and 6 MMPM but as i said in g code it is f1000 so it should be 1000 right.

    How to make the feed rate from 5-6mmpm to 1000 mmpm or constant feedrate for 5 axis.

    waiting for your kind reply.

    Regards

    Amit Kumar


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    Gold Member TomKerekes's Avatar
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    Default Re: INVERSE TIME FEEDRATE OPTION FOR 6 AXIS

    Hi Amit,

    For me that GCode executes in ~ 0.4seconds which seem about correct. For you it takes ~ 1minute ?

    What are all your Trajectory Planner Settings?

    Regards



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    Gold Member amitkumar171's Avatar
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    Default Re: INVERSE TIME FEEDRATE OPTION FOR 6 AXIS

    Quote Originally Posted by TomKerekes View Post
    Hi Amit,

    For me that GCode executes in ~ 0.4seconds which seem about correct. For you it takes ~ 1minute ?

    What are all your Trajectory Planner Settings?

    Regards
    Here are the settings
    Let me know

    Sent from my Redmi Note 5 pro using Tapatalk

    Regards

    Amit Kumar


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    Default Re: INVERSE TIME FEEDRATE OPTION FOR 6 AXIS

    For me that second line of GCode executes in ~ 0.4seconds which seems about correct. For you it takes ~ 1minute ? Yes or no? How long does it take for you?



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    Default Re: INVERSE TIME FEEDRATE OPTION FOR 6 AXIS

    Quote Originally Posted by TomKerekes View Post
    For me that second line of GCode executes in ~ 0.4seconds which seems about correct. For you it takes ~ 1minute ? Yes or no? How long does it take for you?
    Yes it takes one minute

    Sent from my Redmi Note 5 pro using Tapatalk

    Regards

    Amit Kumar


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    Gold Member TomKerekes's Avatar
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    Default Re: INVERSE TIME FEEDRATE OPTION FOR 6 AXIS

    Hi Amit,

    Like I said we don't see the problem here. So you will need to tell us what you are doing different.

    Post your Init C Program and all GCode before the two lines of GCode.

    Regards



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INVERSE TIME FEEDRATE OPTION FOR 6 AXIS

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