Fundamentals | Control model, software and features
HEIDENHAIN | TNC 640 | Conversational Programming User's Manual | 10/2017
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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 conversions:
Tilting the working plane
Advanced Function Set 2 (option 9)
Expanded functions Group 2
Export license required
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 center point (tool tip or center of sphere)
(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 6 axes
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
Collision monitoring in the Test Run mode
Program interrupt in Automatic operation
Includes monitoring of 5-axis movements
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