Siemens SINUMERIK 840D Programming Manual page 117

2
03.96
04.00
Description of parameters
_SPCA and _SPCO (reference point abscissa and
ordinate)
These two parameters determine the first point of the
hole grid. The row and column distances are specified
in relation to this point.
_STA (angle)
The grid of holes can positioned at any angle in the
plane. This angle is programmed in degrees in _STA
and refers to the abscissa of the workpiece coordinate
system active as the cycle is called.
_DIS1 and _DIS2 (column and row distances)
The distances must be entered without sign. To avoid
unnecessary empty travel, the dot matrix is machined
line by line or column by column based on a
comparison of distance measurements.
_NUM1 and _NUM2 (number)
This parameter determines the number of columns
or lines.
Programming example
Cycle CYCLE801 is used to machine a dot matrix,
consisting of 15 holes in three lines and five
columns. The associated drilling program is called
modally beforehand.
N10 G90 G17 F900 S4000 M3 T2 D1
N15 MCALL CYCLE82(10,0,1,-22,0,0)
N20 CYCLE801(30,20,0,10,15,5,3)
N25 M30
© Siemens AG, 2002. All rights reserved
SINUMERIK 840D/840Di/810D Programming Guide Cycles (PGZ) – 11.02 Edition
Drilling Cycles and Drilling Patterns
2.3 Drill pattern cycles
Y
_DIS2
_SPCA
Y
30 10
Specification of technology values
Modal call of a drilling cycle
Call dot matrix
End of program
2
_STA
X
X
n
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