Mill & Lathe Coordinate System

This is from the linuxcnc.org manuals and sometimes I need reminding of the coordinate system used for a mill and definitely a lathe.  I find this to be a good reference that I seem to misplace… I originally had a link to the linuxcnc documentation, but the links changed. Check out the linuxcnc.org website for more info.

The following diagram shows a typical mill showing direction of travel of the tool and the mill table and limit switches. Notice how the mill table moves in the opposite direction of the Cartesian coordinate system arrows shown by the Tool Direction image. This makes the tool move in the correct direction in relation to the material.

Milling Machine Configuration

Milling Machine Configuration

The following diagram shows a typical lathe showing direction of travel of the tool and limit switches.

Lathe Coordinate System

Lathe Coordinate System

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