Siemens SINUMERIK 840D

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03.04 Appendix
B Terms
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Ó Siemens AG, 2004. All rights reserved
SINUMERIK 840D/840Di/810D Operator’s Guide HMI Advanced (BAD) – 03.04 Edition A-495
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Variable definition
A variable is defined through the specification of a data type and a
variable name. The variable name can be used to address the value
of the variable.
Velocity control
In order to achieve an acceptable travel velocity in movements which
call for very small adjustments of position in a block, the control can ->
look ahead.
Vocabulary words
Words with a specific notation which have a defined meaning in the
programming language for -> parts programs.
W
Work offset
-> Zero offset
Working memory
The working storage is a Random Access Memory in the -> CPU
which the processor accesses as it executes the application
program.
Working space
Three-dimensional zone into which the tool tip can be moved on
account of the physical design of the machine tool.
See also -> protection zone.
Workpiece
Part to be produced/machined by the machine tool.
Workpiece contour
Setpoint contour of the -> workpiece to be produced/machined.
Workpiece coordinate
system
The origin of the workpiece coordinate system is the -> workpiece
zero. In machining operations programmed in the workpiece
coordinate system, the dimensions and directions refer to this
system.
Workpiece zero
The workpiece zero forms the starting point for the ->
workpiece coordinate system. It is defined by distances to the
machine zero.
X
Y