HEIDENHAIN TNC 640 User Manual

Programming Contours | Path contours – Polar coordinates
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HEIDENHAIN | TNC 640 | Conversational Programming User's Manual | 10/2017
Example: Helix
0 BEGIN PGM HELIX MM
1 BLK FORM 0.1 Z X+0 Y+0 Z-20
Definition of workpiece blank
2 BLK FORM 0.2 X+100 Y+100 Z+0
3 TOOL CALL 1 Z S1400
Tool call
4 L Z+250 R0 FMAX
Retract the tool
5 L X+50 Y+50 R0 FMAX
Pre-position the tool
6 CC
Transfer the last programmed position as the pole
7 L Z-12.75 R0 F1000 M3
Move to working depth
8 APPR PCT PR+32 PA-182 CCA180 R+2 RL F100
Approach the contour on a circular arc with tangential
connection
9 CP IPA+3240 IZ+13.5 DR+ F200
Helical interpolation
10 DEP CT CCA180 R+2
Depart the contour on a circular arc with tangential
connection
11 L Z+250 R0 FMAX M2
Retract the tool, end program
12 END PGM HELIX MM

HEIDENHAIN TNC 640 Specifications

General

Control Type	CNC
Axes	Up to 18 axes
Interfaces	Ethernet, USB, RS-232
Spindle Control	Yes
PLC	Integrated
Storage	SSD
Programming Languages	DIN/ISO
Safety Features	safety functions according to EN ISO 13849-1
Dimensions	Varies based on configuration
Weight	Varies based on configuration
Operating System	Windows