Programming Examples; Example: Cylinder Surface With Cycle 27 - HEIDENHAIN TNC 620 User Manual

8.6

Programming Examples

Example: Cylinder surface with Cycle 27

Machine with B head and C table
Cylinder centered on rotary table
Datum is on the underside, in the
center of the rotary table
0 BEGIN PGM C27 MM
1 TOOL CALL 1 Z S2000
2 L Z+250 R0 FMAX
3 L X+50 Y0 R0 FMAX
4 PLANE SPATIAL SPA+0 SPB+90 SPC+0 TURN MBMAX
FMAX
5 CYCL DEF 14.0 CONTOUR GEOMETRY
6 CYCL DEF 14.1 CONTOUR LABEL 1
7 CYCL DEF 27 CYLINDER SURFACE
Q1=-7 ;MILLING DEPTH
Q3=+0 ;ALLOWANCE FOR SIDE
Q6=2 ;SET-UP CLEARANCE
Q10=4 ;PLUNGING DEPTH
Q11=100 ;FEED RATE FOR PLNGNG
Q12=250 ;FEED RATE FOR MILLING
Q16=25 ;RADIUS
Q17=1 ;DIMENSION TYPE
8 L C+0 R0 FMAX M13 M99
9 L Z+250 R0 FMAX
10 PLANE RESET TURN FMAX
11 M2
12 LBL 1
13 L X+40 Y+20 RL
14 L X+50
15 RND R7.5
16 L Y+60
17 RND R7.5
18 L IX-20
19 RND R7.5
20 L Y+20
HEIDENHAIN | TNC 620 | User's manual for cycle programming | 9/2015
Programming Examples
Y (Z)
Tool call: Diameter 7
Retract the tool
Pre-position tool at rotary table center
Positioning
Define contour subprogram
Define machining parameters
Pre-position rotary table, spindle ON, call the cycle
Retract the tool
Tilt back, cancel the PLANE function
End of program
Contour subprogram
Data for the rotary axis are entered in mm (Q17=1)
8
8.6
X (C)
235