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6 MOTION PROGRAMS FOR POSITIONING CONTROL
6.12 About Coordinate Systems
This section describes coordinate systems.
There are two coordinate systems : basic mechanical coordinate system and work
coordinate system.
(1) Basic mechanical coordinate system
............................. A coordinate system specific to a machine and indicates the
position determined specifically for the machine.
(2) Work coordinate system
............................. A coordinate system used by a programmer for programming
to set the reference point on a work as a coordinate home
position.
In the work coordinate system, a position is specified with an
offset value from the basic mechanical coordinate system. The
offset value is set with a distance from the mechanical
coordinate system origin (0).
You can specify up to six work coordinate systems (work
coordinates 1 to 6). Set them by parameter setting or work
coordinate system selection (G54 to G59). (Refer to Section
5.4 and 6.13.24.)
By setting multiple work coordinates, you can easily perform
multiple positioning operations with one Motion program.
[Drilling machine]
Motor
Motor
Motor
Reference point
Work coordinate system 1
X
Work coordinate system 2
X
Basic mechanical coordinate system
Y
Y
Y
X
Work coordinate system 1
Work coordinate system 2
Basic mechanical
coordinate system
: Reference point
: Mechanical
coordinate point
:
Work coordinate point