User`s manual for cycle programming

Fundamentals
TNC model, software and features
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HEIDENHAIN | TNC 640 | User’s manual for cycle programming | 9/2015
Software options
The TNC 640 features various software options that can be enabled by your machine tool builder. Each option is to
be enabled separately and contains the following respective functions:
Additional Axis (options 0 to 7)
Additional axis
Additional control loops 1 to 8
Advanced Function Set 1 (option 8)
Expanded functions Group 1 Machining with rotary tables
Cylindrical contours as if in two axes
Feed rate in distance per minute
Coordinate transformations:
Tilting the working plane
Interpolation:
Circle in 3 axes with tilted working plane (spatial arc)
Advanced Function Set 2 (option 9)
Expanded functions Group 2 3-D machining:
Motion control with minimum jerk
3-D tool compensation through surface normal vectors
Using the electronic handwheel to change the angle of the swivel
head during program run without affecting the position of the tool
point. (TCPM = Tool Center Point Management)
Keeping the tool normal to the contour
Tool radius compensation perpendicular to traversing direction and
tool direction
Interpolation:
Linear in 5 axes (subject to export permit)
HEIDENHAIN DNC (option 18)
Communication with external PC applications over COM component
Display Step (option 23)
Display step Input resolution:
Linear axes down to 0.01 µm
Rotary axes to 0.00001°
Dynamic Collision Monitoring – DCM (option 40)
Dynamic Collision Monitoring
The machine manufacturer defines objects to be monitored
Warning in Manual operation
Program interrupt in Automatic operation
Includes monitoring of 5-axis movements