Re: XZ Plane: rounding an edge help

--- In CAD_CAM_EDM_DRO@yahoogroups.com, "gglines1" <gglines@c...>
wrote:

> I'm trying to write the G code to round over an edge in the XZ
> plane. Imagine a 1/8" thick rectangle, 1" tall, like a vice
> parallel, that you want to round over the top edge on. Precision

is

> not critical in this instance, it is a decorative edge. Imagine
> making a mark .25 down on the front face, and .25 inch across on

the

> top face and then cutting a rounded corner between those marks.
>
> What happens is the edge is rounded over correctly, but then the Z
> axis starts heading straight down, burying the cutter in the work
> and I have to hit the emergency off button on the drive box. I'm
> using Millmaster Pro for Windows which is similar to a Bridgeport
> Boss 4 controller.
>
> Perhaps the Z axis is trying to make a complete circle? Anyway,
> here's the code. On the G02 move, I'm imagining a circle with a
> radius of .25 inches. The center of the circle is .25 inches from
> the top corner of the workpiece.
>
> G90 (absolute mode)
> G01 X0 Y0 Z0
> G17 (sets XY plane)
> G01 Z-.25 F5
> G18 (sets XZ plane)
> G02 X.25000 Z1.00000 I.25000 K.00000
> G17
> G01 Z.10
> G01 X0 Y0
>
> Thanks,
>
> George

On the G02 line try changing the Z value to 0.0.