Automatic mode
6.3 Selection and start of a part program
Surface grinding
Programming and Operating Manual, 11/2012, 6FC5398-5CP10-3BA0
73
● Offset of Y by -0.1 mm (Y is the infeed axis) at the allowance point of 0.05 mm. The
changeover point for roughing/finishing is at 0.06 mm.
It follows from this that the complete allowance is increased by 0.1mm.
The resulting actual allowance is 0.15 mm -> the cycle branches from finishing
"backwards" into roughing, including all technology changes.
If the total allowance would previously have been 0.2 mm, then the value after the offset
in the negative direction is now 0.3 mm. This value is no longer reduced, if a correction is
again made in the positive direction. This means that negative offsets always temporarily
increase the absolute allowance of the grinding operation.
The temporary increase of the absolute allowance is necessary in order to retract to the
same maximum start point.
6.3 Selection and start of a part program
Functionality
Before starting the program, make sure that both the control system and the machine are set
up. Observe the relevant safety notes of the machine manufacturer.
Operating sequence
Select Automatic mode by pressing the <Automatic> key on the machine control panel.
The Program Manager is opened. Use the <NC directory> (default selection) or <Customer
CF card> softkeys to enter the appropriate directories.
Figure 6-5 "Program Manager" start screen
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