On Jun 12, 2009, at Jun 12, 2009--3:39 PM, emc-users-
[email protected] wrote:
>
> From: Rainer Schmidt <[email protected]>
> Date: Friday2009June 12 Friday2009June 123:37:02 PM PDT
> To: "Enhanced Machine Controller (EMC)" <emc-
> [email protected]>
> Subject: Re: [Emc-users] Successive G0 moves
> Reply-To: "Enhanced Machine Controller \(EMC\)" <emc-
> [email protected]>
>
>
> On Fri, Jun 12, 2009 at 6:24 PM, Shabbir
> Hussain<[email protected]> wrote:
>>
>> G0 should not be used for cutting. It is only for positioning when
>> the tool is at safe Z height (out of workpiece and clamps etc.). I
>> have worked with Fanuc and Siemens controllers. In these
>> controllers when G0 move is programmed, all the axis used in G0
>> move starts moving at rapid feeds (set in the parameters of the
>> controller) and the axis that achieve the position just stops and
>> others continue to run. So G0 move produces a non-linear move.
>> This is normal behaviour.
>>
>> So G0 move should finally achieve the target position not the
>> linear path. That is why it must be used for positioning.
>>
>> Thanks
>>
>> Shabbir Hussain
>
> Would
> G0Z10
> G0X5Y8
> Posiiton Z first and then x and y? I did not spend to much thought
> about this and find this thread potentially disaster avoiding...
> Rainer
>
That was exactly my point earlier.
If I write:
G0 Z1
X0 Y0
the program should never transform that into
G0 Z1 X0 Y0
.
Now I have never noticed this happening on my machine, but if it can
happen under some circumstance, I would definitely consider it to be
a bug.
Alan
---
Alan Condit
1085 Tierra Ct.
Woodburn, OR 97071
Email -- [email protected]
Home-Office (503) 982-0906
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