1 Introduction 08.96
1.10 Notes to ensure smooth running of the measuring cycles
1.10 Notes to ensure smooth running of the measuring cycles
1. To ensure that the measuring cycles operate correctly it is imperative that the machine
axes are set up according to DIN 66217.
2. Reference point approach must already have been performed.
3. GRC/CRC, (coordinate rotation) and scale modification must be deselected before a
measuring cycle is called.
4. Inch/metric switchover.
Measurements must be performed in the input system defined in MD 5002 bit 4, i.e.
switchover with G70/G71 is not permitted.
5. Before the cycles are called, the axes must be positioned in such a way that they do not
change direction when they move from the current position to approach the set position.
Nor must the tool collide with the sensor or the workpiece probe collide with other machine
parts when approaching the starting position with linear interpolation.
6. The parameters of the individual cycles must be defined before the cycles are called.
7. The cycles are automatically skipped in operating modes "Block search", "Dry run" and
simulation.
8. All cycles can be exited with the following initial settings:
T version G01, G90, G95
M version G01, G90, G94
9. The cycle must be called no later than the 1st nesting depth.
10. Call cycle L965. This cycle must be started at least once after start-up and it must always
be programmed when the measuring plane is changed.
Fig. 1.22 Nesting depth when calling measuring cycles
L9xx
Measuring cycle
auxiliary programs
L9xx
L973
1st nesting depth 2nd nesting depth 3rd nesting depth
M17
Measuring cycle call L973
L01
L01
%MPF 1234
M17
M17
1–44 © Siemens AG 1990 All Rights Reserved 6FC5197- AB70
SINUMERIK 840/850/880 (BN)
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