Siemens SINUMERIK 802D

Notes
SINUMERIK 802D sl Operating and Service Training Manual Page 3
C74
C74
Section 2
Basic Coordinate System (BCS):
The Basic C
oordinate System works between the Machine Coordinate
System and
the Workpiece Coodinate System. If the value of the Basic
Coordinate System is changed, the
n the Workpiece Coordinate System
will move respectively.
The Basic C
oordinate System is activated with G500. When G500 is pro-
grammed th
e modally active (G54) will be deactivated.
With G54 active a move
ment can be programmed with respect to the BCS
by using the blockwise
G code G53.
Wokpiece Coordinate Sy
stem (WCS):
The workpiece coordinat
e system is the offset between the BCS and the
origin of the
component.
When the BCS system
has no value, then the WCS is the offset to the
MCS s
ystem.
7 Zero offse
ts are therefore available to the operator/programmer.
G500 - Basic Zero Offset
G54 - 1st. Zero Offset
G55 - 2nd. Zero Offset
G56 - 3rd. Zero Offset
G57 - 4th. Zero Offset
G58 - 5th. Zero Offset
G59 - 6th. Zero Offset
Example:
Programme
d
G0 G153 X0
Y0 Z0
Typically the following po
sition will be reached, dependant upon the machi-
ne builder.
Overview of the coordinate system