Re: How does G02 & G03 work?

Clint,
I, J and K values are usually handled by the CAD/CAM software. If you are
trying to do it by hand, you will need to be able to handle trig functions.
That said, in a G02/G03 command, the X and Y values are the end point of the
arc. I is the start of the arc to the center point of the arc in the X
direction.
J is the start of the arc to the center point of the arc in the Y direction
and K is the start of the arc to the center point of the arc in the Z
direction.
An arc going clockwise from X0, Y0 to X.5, Y-.5 with a .5" radius would look
like G02 X.5 Y-.5 I0 J-.5 for a FANUC style code that uses incremental
signed I and J values.
Darrell

----- Original Message -----
From: Clint Bach <clintbach@...>
To: <CAD_CAM_EDM_DRO@onelist.com>
Sent: Wednesday, February 02, 2000 11:44 AM
Subject: [CAD_CAM_EDM_DRO] How does G02 & G03 work?


> From: Clint Bach <clintbach@...>
>
> Hi,
>
> I need help understanding the G02 and G03 commands. I don't understand
> the I, J K thing and the rest of the things about it. The references I
> have on those commands devote about a paragraph and don't give me a
> complete picture of how to use them.
>
> Can someone point me to a reference on the web that gives enough
> information to actually explains this? Or something else????
>
> Thanks,
>
> Clint Bach
>
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