Programming Example 2 - Siemens SINUMERIK 840D sl Programming Manual

Measuring cycles
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Measuring Cycles for Milling and Machining Centers
5.7 CYCLE998 workpiece: Angle measurement and ZO determination
5.7.3.3

Programming example 2

Orientation of an oblique workpiece surface for remachining using CYCLE800
Initial state
• The workpiece is clamped on the swivel
• The swivel table is in its home position.
• The probe is in inserted as T9 and
• The scratch function is used to define the
Exercise
Remachining will be performed with G57 active. The workpiece should be aligned so that for
G17, the tool is located vertically on the previously inclined surface, the workpiece zero
(G57) is the left-hand corner and the workpiece edges run in parallel to axes X and Y (G57).
CYCLE978 should be used to set the 3 edges. To determine the angle, CYCLE998 (1 and 2
angle measurement).
%_N_PLANE_SETUP_MPF
N500 G56 G17 G90
N505 T9 D1
N506 M6
N510
CYCLE800(1,"",0,57,0,0,0,0,0,0,0,0,
0,-1)
N520 $P_UIFR[4] = $P_UIFR[3]
N530 G1 F500 X20 Y25
N540 Z40
N550 _VMS=0 _PRNUM=1 _TSA=20 _EVNUM=0
5-110
table (swiveling workpiece holder) and
aligned roughly paraxially to the machine
axes.
positioned in JOG approximately 20 mm
above the front left corner of the
workpiece to be set up.
zero point of the ZO G56 at which the 2-
angle measurement is to be performed
and the G17 machining plane is defined
as X0 Y0 Z20.
;Select ZO and machining plane
;Select probe
;Activate tool compensation for probe
;Align swivel table
;Copy the data of ZO memory G56 to G57
;
;Approach of the 1st MP for
;2 angle measurement in the plane
;Positioning height in Z, in which all 3 MPs
;can be approached
Measuring velocity 300 mm/min, data field 1
Programming Manual, Release 04/2006, 6FC5398-4BP10-0BA0
Measuring cycles

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