Rockwell Automation 8520 9/Series CNC Lathe - Manual (Page 462)

Tool Control Functions
Chapter 20
20-6
You can enter data in the tool offset tables by programming the correct
G10 command. This section describes the use of the G10 commands for
the lathe tool offset table.
Important: Only the value in the offset table value changes when a G10
code modifies a tool offset table value. If the changed offset value is
currently being used by the control, the active offset value is not changed
until it is called again from the offset table using a T-word.
When the control is in incremental mode (G91), any values entered in an
offset table using the G10 command are added to the currently existing
offset values. When the control is in absolute mode (G90), any values
entered in an offset table using the G10 command replace the currently
existing offset values.
This is a representation of the basic format for modifying the offset tables.
G10 L(10-11)P__ X__ Z__ R__ Q__ T__ O__
Where : Is :
L(10-11) Designates which offset table is being modified.
L10 -Modifies the tool geometry table.
L11 -Modifies the tool wear table.
P The tool offset number that is having its values changed is specified following the P address.
X The value to add to (in G91 mode) or replace (in G90 mode) the tool length offset for the X axis.
This value may be a diameter or radius value as determined with the O-word.
Z The value to add to (in G91 mode) or replace (in G90 mode) the tool length offset for the Z axis.
R The value to add to (in G91 mode) or replace (in G90 mode) the tool tip radius amount.
Q The value to add to or replace the tool orientation amount
(valid only when setting data for the geometry table).
T A T-word that corresponds to the tool number that is being changed.
O Determines if the value being entered into the offset table is a radius or diameter value. This
only applies when setting data for the controls diameter axis (typically the axis perpendicular to
the spindle). If no O-word is programmed the control uses the current radius/diameter mode
active on the control.
O1-indicates a radius value
O2-indicates a diameter value
Important: Any axis word may be entered here along with/or without the
X- or Z-words. The lathe offset table allows the entry of offsets for up to
four different axis, tool radius, and tool orientation for each offset number.
Any values not specified in the G10 block remain unchanged.
20.2
Entering Tool Offset Data
Using (G10L10, G10L11)