Siemens 810D tool offset

[johnyj]

Hi,
Can anyone help out, the tool offset datum every now and then will change datum from Z to Y which causes problems setting tool offsets and the only way i know of getting it back to z datum is to power down the machine and traverse datums.
See attached JPEG.

Thank you

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[sabregr]

Is that a horizontal milling machine?

[johnyj]

Is that a horizontal milling machine?

Hi,it is a Vertical milling machine.
Are you able to give a solution?
Thank you.

[machinehop5]

what G code do you have active G17..G18...or G19 ?

[johnyj]

what G code do you have active G17..G18...or G19 ?

Hi machinehop5,

I have attached a jpeg of machine OFFSETT this has never altered by myself so has always stayed at what ever offsett is showing.

[johnyj]

what G code do you have active G17..G18...or G19 ?

Hi again machinehop5,

I have also attached a jpeg of active G code when running machine.

Thank you.

[machinehop5]

Hi,
Can anyone help out, the tool offset datum every now and then will change datum from Z to Y

Odd behavior...I wonder if, you have a sticky button or Keyboard problem going on.

[CNCFr]

The tool offsets depends on the type of tool (milling or turning tool) and on the active plane selected by the G-Code G17 / 18 / 19.
For a milling tool the tool length is defined in Z with G17. That's the default case.
If you observe that the tool length sometimes is effective in Y instead of Z I would expect that you changed your active plane from G17 to G18.