your drill has a longer tool length than your center drill
the machine is trying to move the z axis too high
try a shorter tool length (remove the tool prior to running the program with
an incorrect tool length)

On Sat, May 28, 2011 at 12:19 AM, John Murphy <[email protected]> wrote:

> I've started working on using tool length offsets and a coordinate system -
> Most of the time it's working OK, but I'm having problems postprocessing my
> code to get it running consistently on my machine.
>
> A snippet of code looks like this:
>
> N1 ( BRACKET_003_3X.NGC)
> N2 ( EMC2  )
> N4 G17 G20 G40 G49
> N5 G80 G90
> N6 (MSG,LOAD.1 CENTER DRILL)
> N7 T13 M06
> N8 S3743 M3
> G53 G0 Z0.0
> N9 G0 G54 X.815 Y2.55
> N10 G43 H13
> N11 M8
> N12 G81 G99 X.815 Y2.55 Z-.030 R.1 F4.97
> N13 Y1.5
> N14 Y.45
> N15 G80
> N16 M5
> /N17 M9
> N18 (MSG,LOAD.177 DRILL)
> N19 T11 M06
> N20 S3539 M3
> G53 G0 Z0
> N21 G0 G54 Y2.55
> N22 G43 H11
> N23 M8
> N24 G83 G99 X.815 Y2.55 Z-.5432 R.1 Q.0885 F5.31
> N25 Y1.5
>
>
> This code gives me an error on line N21 of 'Move on line X (which ends up
> being N21 would exceed maximum limit of joint 2)...  (I've got a vertical
> mill, X/Y/Z).
>
> Any suggestions for this?  I'm not sure if this is my G code or a behavior
> in EMC that I'm agitating.  Any suggestions would be greatly appreciated!
>
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