HEIDENHAIN iTNC 530 (340 49x-03) Pilot - Manual (Page 27)

27
Path functions
Circular Arc CR with Radius
8 Coordinates of the arc end point
8 Radius R
If the central angle ZW > 180, R is negative.
If the central angle ZW < 180, R is positive.
8 Direction of rotation DR
or
or
or
10 L X+40 Y+40 RL F200 M3
11 CR X+70 Y+40 R+20 DR- (ARC 1)
11 CR X+70 Y+40 R+20 DR+ (ARC 2)
10 L X+40 Y+40 RL F200 M3
11 CR X+70 Y+40 R-20 DR- (ARC 3)
11 CR X+70 Y+40 R-20 DR+ (ARC 4)
X
Y
ZW
R R
40
40 70
1
2
DR+