Siemens sinumerik 802d sl Operation And Programming Manual page 30
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Introduction
1.7
Coordinate systems
Clamping the workpiece
For machining, the workpiece is clamped on the machine. The workpiece must be aligned
such that the axes of the workpiece coordinate system run in parallel with those of the ma-
chine. Any resulting offset of the machine zero with reference to the workpiece zero is deter-
mined for each axis and entered in data areas intended for the settable work offset. In the
NC program, this offset is activated, e.g. using a programmed G54 (see also Section "Work-
piece clamping – settable work offset ...").
Fig. 1-19
Current workpiece coordinate system
The programmed work offset TRANS can be used to generate an offset with reference to
the workpiece coordinate system resulting in the current workpiece coordinate system (see
Section "Programmable work offset: TRANS").
W
W – workpiece zero
Fig. 1-20
1-30
W – workpiece zero
M – machine zero
Y
X
W
e.g.
G54
Y
Machine
M
Workpiece on the machine
Programmable offset
TRANS
Y
X
Coordinates on the workpiece; current workpiece coordinate
system
SINUMERIK 802D sl Operation and Programming Nibbling (BP-N), 06/2006 Edition
É É
X
Machine
Current
Y
É É É
É É É
X
6FC5 398-3CP10-0BA0
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