2.11 Path action
2.11.1 Exact stop (G60, G9, G601, G602, G603)
In exact stop traversing mode, all path axes and special axes involved in the traversing motion
that are not traversed modally, are decelerated at the end of each block until they come to a
standstill.
Exact stop is used when sharp outside corners have to be machined or inside corners finished
to exact dimensions.
The exact stop specifies how exactly the corner point has to be approached and when the
transition is made to the next block:
● "Exact stop fine"
The block change is performed as soon as the axis-specific tolerance limits for "Exact stop
fine" are reached for all axes involved in the traversing motion.
"Exact stop fine" is set via: MD36010 $MA_STOP_LIMIT_FINE[<Axis>]
● "Exact stop coarse"
The block change is performed as soon as the axis-specific tolerance limits for "Exact stop
coarse" are reached for all axes involved in the traversing motion.
"Exact stop coarse" is set via: MD36000 $MA_STOP_LIMIT_COARSE[<Axis>]
● "Interpolator end"
The block change is performed as soon as the control has calculated a set velocity of zero
for all axes involved in the traversing motion. The actual position or the following error of the
axes involved are not taken into account
Syntax
G60 ...
G9 ...
G601/G602/G603, etc.
Meaning
G60: Command for activation of the modal exact stop
G9: Command for activation of the non-modal exact stop
G601: Command for activation of the exact stop criterion "Exact stop fine"
G602: Command for activation of the exact stop criterion "Exact stop coarse"
G603: Command for activation of the exact stop criterion "Interpolator end"
Note
The commands for activating the exact stop criteria (G601/G602/G603) are only effective if G60
or G9 is active.
Fundamentals
2.11 Path action
NC programming
Programming Manual, 12/2019, 6FC5398-2EP40-0BA0 293
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