Determine Scratching/Zero Offset - Siemens SINUMERIK 840D Operator's Manual

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Machine Operating Area
4.4 Jog operating mode

4.4.6 Determine scratching/zero offset

Scratch
4-94
Function
You can determine the zero offset by "scratching", taking an (active)
tool and, if necessary, the basic offset into account.
A window is provided for the "Scratching" function.
Operating sequence
1. Press softkey "Scratch":
•
The active plane is displayed and can be altered (via "Select"
key).
•
The active WO is displayed and can be altered (via "Select"
key).
•
The active tool is displayed. No tool is displayed if none is active
(message).
Meanings of columns in the "Scratch" window:
•
"Offset": Current value of offset to be determined. The coarse
offset is displayed. The fine offset is taken into account and
remains valid.
•
"Set position": Input of subsequent setpoint position for
scratched edge.
"Approach direction": Selection fields for positive/negative approach
direction.
SINUMERIK 840D/810D Operator's Guide HMI Embedded (BEM) – 03.04 Edition
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03.04
 Siemens AG, 2004. All rights reserved