5
01/2008 Parameters operating area
5.2 Tool offset
5
©Siemens AG 2008 All rights reserved.
SINUMERIK 840Di sl/840D sl/840D Operating Manual HMI-Advanced (BAD) - 01/2008 Edition 5-181
Sequence of operations
Tool
offset
The "Tool offset" window is displayed.
Position the cursor on the tool parameter you wish to change.
Determine
offset
The "Absolute coordinate" window opens.
Select the appropriate axis with the "Toggle key". Alter the reference
value, if necessary, using the numeric keypad.
Calculate
Position − reference value is entered in the input field.
The window remains open.
OK
When you press the "OK" softkey, the current position and
corresponding reference value for the selected tool parameter are
calculated.
The following applies: Position − reference value = input value
The window is closed.
If "Jog" mode is selected, it is also possible to change the position by
traversing the axes. The control automatically calculates the value
from the reference value and the new position.
5.2.8 Make tool offset immediately effective
Function
The machine data can be set to specify that the active tool offset can
be activated immediately if the part program switches to the "Reset" or
"Stop" state.
Additional information
When the function is used in the Reset state, the machine data item
$MC_RESET_MODE_MASK must be set such that the offset is not
reset when the program switches to Reset.
References Function Manual Basic Functions (FB1): Axes, coordinate systems,
frames (K2); Chapter “Additive offsets”
Caution
The offset is applied after NC Start of the Reset in response to the
next programmed axis movement in the part program.
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