HEIDENHAIN TNC 640 User Manual

Programming Contours | Path contours – FK free contour programming
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HEIDENHAIN | TNC 640 | Conversational Programming User's Manual | 10/2017
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Example: FK programming 1
0 BEGIN PGM FK1 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 S500
Tool call
4 L Z+250 R0 FMAX
Retract the tool
5 L X-20 Y+30 R0 FMAX
Pre-position the tool
6 L Z-10 R0 F1000 M3
Move to working depth
7 APPR CT X+2 Y+30 CCA90 R+5 RL F250
Approach the contour on a circular arc with tangential
connection
8 FC DR- R18 CLSD+ CCX+20 CCY+30
FK contour section:
9 FLT
Program all known data for each contour element
10 FCT DR- R15 CCX+50 CCY+75
11 FLT
12 FCT DR- R15 CCX+75 CCY+20
13 FLT
14 FCT DR- R18 CLSD- CCX+20 CCY+30
15 DEP CT CCA90 R+5 F1000
Depart the contour on a circular arc with tangential
connection
16 L X-30 Y+0 R0 FMAX
17 L Z+250 R0 FMAX M2
Retract the tool, end program
18 END PGM FK1 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