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Author Topic: Move relative to machine coordinates rather than project coordinates?  (Read 614 times)
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Zaaephod
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« on: March 17, 2010, 10:40:17 AM »

Probably a silly / simple question, but I've been searching for the answer and haven't found it yet.

G0X600G0Y600 moves the machine to 600,600 in relation to where the project has been zeroed. (I work from the center)

Is there a command I can use to move the machine to 600,600 in relation to the machine coordinates instead of project coordinates? Without changing modes?

Thanks Smiley
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Hood
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« Reply #1 on: March 17, 2010, 10:46:00 AM »

G53G0X600Y600 will move to 600 X and Y in machine coords.

Hood
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Zaaephod
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« Reply #2 on: March 17, 2010, 10:58:39 AM »

Perfect, that's what I was after, thanks Hood!
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Hood
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« Reply #3 on: March 17, 2010, 11:05:54 AM »

No problem  Smiley

Hood
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Luisto
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« Reply #4 on: March 29, 2010, 02:56:49 PM »

HeLp!! when in the MDI screen and I try to manyally input a coordinate it says jog mode disabled in MDI mode..where do I enable the jog mode?
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Hood
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« Reply #5 on: March 29, 2010, 05:03:51 PM »

Dont think I have seen or heard of that one before. What are you entering into the MDI line? Also can you attach your xml and I will see if I can replicate it.
Hood
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Luisto
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« Reply #6 on: July 06, 2010, 01:50:11 PM »

Hello:
  I am having a problem with my machine during the start up routine when I hit the "reference all home" button.  The first few times the x axis wanted to go away from the machine 0,  (the  x machine coordinates read -60 when it is really about at 10) ...after restarting the machine it seemed to work fine, then the x axis started shaking and going about a foot in one direction then a foot in the other. When it is off it travels smoothly through the area that seems to be a problem. 
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DaveCVI
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« Reply #7 on: July 06, 2010, 02:03:37 PM »

Be aware the G53 is NOT modal.
The use of machine coordinates via G53 only pertains to the block with the G53 in it.
To illustrate the point:
N1 G54               (this will set the WC system to G54)
N2 G40               (most Gcode references tell you to cancel cutter comp before doing G53 moves - see Smid's book for example)
N3 G53 X10 Y10  (this will move to 10,10 in machine coordinates)
N4 X10 Y10        (this will most likely result in additional movement as it will move to 10,10 in G54 WC!)

Dave

G53G0X600Y600 will move to 600 X and Y in machine coords.

Hood
« Last Edit: July 06, 2010, 02:06:38 PM by DaveCVI » Logged

Author of the MachStdMill Extensions for Mach3
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