14
+Z
+Y
+X
Clockwise
Counterclockwise
Z
Y
X
G03
G02
G03
G02
G02
G03
Clockwise
rotation
Counter
clockwise
rotation
G02
G03
Y
X
(12000, 5000)
(7000, 17000)
(0, 0)
G17G02X7000Y17000I12000J5000
G17G03X7000Y17000I12000J5000
Even when the point for the destination and the center of the circle are identical, circular interpolation is carried out as shown below
according to the direction of interpolation.
There is another method, which involves specifying the radius of the circle instead of specifying the circle’s center point. This method is
convenient because numerical values read from the drawing can be used directly.
Two circles with identical radii and passing through two points exist. This means that if the interpolation direction, radius of the circle,
and point for the destination of interpolation have been specified, there are two circles. These two circles can be differentiated by
specifying a positive value for the radius if the center angle is 180 degrees or less, and a negative radius if the center angle exceeds 180
degrees.
Y
X
A(0, 0)
B(17000, -7000)
R13000
R13000
G17G02X17000Y-7000R-13000
G17G02X17000Y-7000R13000