
B–63833EN–1/02
7. FEEDRATE CONTROL/ACCELERATION
AND DECELERATION CONTROL
324
When G62 is specified, and the tool path with cutter compensation
applied forms an inner corner, the feedrate is automatically overridden
at both ends of the corner.
There are four types of inner corners (Fig. 7.1.7).
2°
xθxθpx178° in Fig. 7.1.7
θp is a value set with parameter No. 1711. When θ is approximately
equal to
θp, the inner corner is determined with an error of 0.001,or
less.
θ
:Cutter center path
:Tool
:Programmed path
θ
θ
θ
1. Straight line–straight line 2. Straight line–arc
3. Arc–straight line 4. Arc–arc
Fig. 7.1.7 Inner corner
WARNING
When the block before a corner is a start–up block, or the
block after a corner includes G41 or G42, the feedrate is not
overridden. The feedrate override function is disabled when
the offset value is 0.
7.1.7
Automatic Corner
Override (M series)
General
D Inner corner automatic
override