HEIDENHAIN TNC 122 User Manual - Manual (Page 40)

5 Programming
40 TNC 122
Bolt hole circle
5 0 ENT
5 0 ENT
8 ENT
C E N T X =
Enter the X coordinate of the bolt circle center ( X = 50 mm ).
Confirm your entry.
C E N T Y =
Enter the Y coordinate of the bolt circle center ( Y = 50 mm ).
Confirm your entry.
N O . H L =
Enter the number of holes ( NO.HL = 8 ).
Confirm your entry.
0 ENT 2
3 0 ENT
R A D I U S =
A N G L E =
Enter the ANGLE from the X axis to the first hole ( 30° ).
Confirm your entry.
Enter the RADIUS of the bolt hole circle ( 20 mm ).
Confirm your entry.
8 ENT
D E P T H =
Enter the DEPTH of the holes ( – 8 mm ).
Confirm your entry.
Program blocks
0 BEGIN PGM 40 MM Start of program, program number, unit of measurement
1 F 9999 High feed rate for pre-positioning
2 Z+20.000 Clearance height
3 M 3 Spindle ON, clockwise
4 CYCL FULL CIRCLE The data for the FULL CIRCLE cycle follow this block
5 NO.HL = 8 Number of holes
6 CENT X= 50.000 X coordinate of the center of the bolt circle
7 CENT Y= 50.000 Y coordinate of the center of the bolt circle
8 RADIUS= 20.000 Radius
9 ANGLE= 30.000 Starting angle of first hole
10 DEPTH= – 8.000 Depth of holes
11 M 2 Stop program run, spindle STOP, coolant OFF
12 END PGM 40 MM End of program, program number, unit of measurement
For a circle segment ( CYCL CIRCL SEGMT ) you also
enter the angle step (ANGLE) between the holes (after the
starting angle).
The bolt hole circle is then executed in the PROGRAM RUN mode of op-
eration (see Chapter 7).