134
96-8000 Rev AC
May 2010
Corner Rounding and Chamfering Example
.
O1234 (Corner Rounding and Chamfering Example);
T1 M6;
G00 G90 G54 X0. Y0. S3000 M3;
G43 H01 Z0.1 M08;
G01 Z-0.5 F20.;
Y-5. ,C1.;
X-5. ,R1.;
Y0.;
G00 Z0.1 M09;
G53 G49 Z0.;
G53 Y0.;
M30;
X0. Y0.
R1.0
5.0
4.0
4.0 5.0
1.0
4.0
A chamfer block or a corner-rounding block can be automatically inserted
between two linear interpolation blocks by specifying ,C (chamfering) or ,R
(corner rounding). There must be a terminating linear interpolation block follow
-
ing the beginning block (a G04 pause may intervene).
These two linear interpolation blocks specify a corner of intersection. If the
beginning block specifies a C, the value following the C is the distance from
the intersection to where the chamfer begins, and also the distance from the
intersection to where the chamfer ends. If the beginning block specifies an R,
the value following the R is the radius of a circle tangent to the corner at two
points: the beginning of the corner-rounding arc and the endpoint of that arc.
There can be consecutive blocks with chamfering or corner rounding specified.
There must be movement on the two axes specified by the selected plane,
whether the active plane is
XY
(G17),
XZ
(G18) or
YZ
(G19).
G02 CW / G03 CCW Circular Interpolation Motion (Group 01)
F
Feedrate in inches (mm) per minute
I
Optional distance along X axis to center of circle
J
Optional distance along Y axis to center of circle
K
Optional distance along Z axis to center of circle
R
Optional radius of circle
X
Optional X-axis motion command
Y
Optional Y-axis motion command
Z
Optional Z-axis motion command
A
Optional A-axis motion command
,R
Radius of corner rounding circle
,C
Distance from the center of intersection where chamfer begins.
Using I,J and K is most preferred method for programming a radius. R is suit-
able for most general radii.
These G codes are used to specify circular motion. Two axes are necessary to
complete circular motion and the correct plane, G17-19, must be used. There
are two methods of commanding a G02 or G03, the first is using the I, J, K ad
-
dresses and the second is using the R address. A chamfer or corner-rounding
feature can be added to the program, by specifying ,C (chamfering) or ,R (cor-
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