Siemens SINUMERIK 840 User Manual page 197

5 Measuring Cycles for Milling Machines and Machining Centres
5.4.4 L978 Angular measurement (ZO determination)
Example: Angular measurement with cycle L978 (Data as in Fig. 5.29)
Y (Ordinate)
80
M
70
Fig. 5.27 Angular measurement
Probe length (Z axis) in TO memory D99 (value 50)
%MPF 9784
N5 G54 T200
N10 G00 X140 Y70
N15 Z40 D99
N20 R10=6 R11=10
R23=3 R24=0
R28=5 R30=102
R36=5
N25 L978
N30 G00 Z160
:
Machining centre program
:
:
N... M30
5–78
150
Centre of rotation
Workpiece
rotary axis
W
Probe
R19
CP1
R19=40 R22=1
R25=0 R27=1
R31=4 R32=0
END OF SECTION
©
Siemens AG 1990 All Rights Reserved
Spindle
F
120
R24
m
R28
CP2
(Abscissa)
T number probe; select ZO
Position probe in X and Y
axes to face the measuring point
Position Z axis level with
measuring point
Define parameters for measuring cycle
Cycle call for angular measurement
Run up Z axis
6FC5197- AB70
SINUMERIK 840/850/880 (BN)
07.90
X