Installation manual
CNC 8055
CNC 8055i
CONCEPTS
7.
SOFT: V02.2X
·341·
Unidirectional approach
7.7 Unidirectional approach
The FAGOR 8055 CNC provides a number of machine parameters to help improve repeatability
when positioning the axes in rapid (G00) by always approachingg the end point in the same direction.
"UNIDIR" (P39)
Indicates the direction of unidirectional approach.
"OVERRUN" (P40)
Indicates the distance to be kept between the approach point and the programmed point.
If this parameter is set to 0, the CNC will not perform the unidirectional approach.
"UNIFEED" (P41)
Indicates the feedrate to be used from the approach point to the programmed point.
The CNC will calculate the approach point (2) based on the programmed target point (1) and the
axis parameters UNIDIR (P39) and OVERRUN (P40).
The positioning will be carried out in two stages:
1. Rapid positioning (G00) up to the calculated approach point (2). If the axis is moving in the
direction opposite to that indicated by "UNIDIR", it will overshoot the programmed point.
2. Positioning at feedrate UNIFEED (P41) from this point to the programmed point (1).
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