Path contours
Cartesian coordinates
6.4
6
HEIDENHAIN | TNC 620 | ISO Programming User's Manual | 9/2016
257
Circular path around circle center
Before programming a circular arc, you must first enter the circle
center
I, J
. The last programmed tool position will be the starting
point of the arc.
Direction of rotation
In clockwise direction:
G02
In counterclockwise direction:
G03
Without programmed direction:
G05
. The TNC traverses the
circular arc with the last programmed direction of rotation
Move the tool to the circle starting point
Enter the coordinates
of the circle center
Enter the
coordinates
of the arc end point, and if
necessary:
Feed F
Miscellaneous function M
The TNC normally makes circular movements in the
active working plane. If you program circular arcs that
do not lie in the active working plane, e.g.
G2 Z...
X...
with a tool axis Z, and at the same time rotate
this movement, then the TNC moves the tool in a
spatial arc, which means a circular arc in 3 axes.
Example NC blocks
N50 I+25 J+25*
N60 G01 G42 X+45 Y+25 F200 M3*
N70 G03 X+45 Y+25*
Full circle
For the end point, enter the same point that you used for the
starting point.
The starting and end points of the arc must lie on the
circle.
The maximum value for input tolerance is 0.016 mm.
Set the input tolerance in the machine parameter
circleDeviation
(no. 200901).
Smallest possible circle that the TNC can traverse:
0.0016 µm.
Summary of Contents for TNC 620 Programming Station
Page 4: ......
Page 5: ...Fundamentals ...
Page 28: ...Contents 28 HEIDENHAIN TNC 620 ISO Programming User s Manual 9 2016 ...
Page 57: ...1 First Steps with the TNC 620 ...
Page 77: ...2 Introduction ...
Page 110: ......
Page 111: ...3 Fundamentals file management ...
Page 166: ......
Page 167: ...4 Programming aids ...
Page 194: ......
Page 195: ...5 Tools ...
Page 234: ......
Page 235: ...6 Programming contours ...
Page 284: ......
Page 285: ...7 Data transfer from CAD files ...
Page 304: ......
Page 305: ...8 Subprograms and program section repeats ...
Page 323: ...9 Programming Q parameters ...
Page 384: ......
Page 385: ...10 Miscellaneous functions ...
Page 407: ...11 Special functions ...
Page 433: ...12 Multiple axis machining ...
Page 475: ...13 Pallet management ...
Page 480: ......
Page 481: ...14 Manual Operation and Setup ...
Page 549: ...15 Positioning with Manual Data Input ...
Page 554: ......
Page 555: ...16 Test Run and Program Run ...
Page 590: ......
Page 591: ...17 MOD Functions ...
Page 622: ......
Page 623: ...18 Tables and Overviews ...