Wire EDM Machine Operation Chapter 3
Copyright November, 98 Page 3-5 Sodick Inc.
NOTE: G959 (screen95) cannot be set to a new number as this is displaying the machine
coordinates located from the machine home position. The “A” in the above examples
means absolute (G90). An “I” would mean incremental (G91).
There may be times when you will want to use the various coordinate systems (other than
G54) for some special purposes. For example, lets say you had job #1 on the worktable,
and it was already located. If a second job needed to be set up and located you probably
would not want to disturb the zero set of job #1. Simply change to a second work
coordinate system by entering G55, then locate your second job and set zero in this
screen. Now your 1st work coordinate will not have been disturbed. Also be aware of the
A(absolute) G90 or I(incremental) G91 ahead of the work coordinate screen number.
Figure 3-5 shows us an example.
Figure 3-5
When setting up these two parts on the worktable, the operator would use G54 when
corner finding workpiece 1. G55 work coordinate would then be used when corner
finding workpiece 2.
Understanding WorkCoordinates
Work 1
(G54 X0 Y0)
Work 2
(G55 X0 Y0)
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