Tables and overviews | Specifications
User functions
User functions
Short description
Program entry
Position entry
Tool compensation
Tool tables
Constant contour speed
Parallel operation
Cutting data
3-D machining
(Advanced Function Set 2)
Rotary table machining
(Advanced Function Set 1)
Contour elements
HEIDENHAIN | TNC 620 | User's Manual for Setup, Testing and Running NC Programs | 01/2022
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Basic version: 3 axes plus closed-loop spindle
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Additional axis for 4 axes plus closed-loop spindle
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Additional axis for 5 axes plus closed-loop spindle
In HEIDENHAIN conversational format and ISO (G codes)
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Nominal positions for lines and arcs in Cartesian coordinates or polar
coordinates
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Incremental or absolute dimensions
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Display and entry in mm or inches
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Tool radius in the working plane and tool length
x
Radius compensated contour look ahead for up to 99 blocks (M120)
Multiple tool tables with any number of tools
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With respect to the path of the tool center
With respect to the cutting edge
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Creating an NC program with graphical support while another NC program is
being run
Automatic calculation of spindle speed, cutting speed, feed per tooth, and feed
per revolution
2
Motion control with minimum jerk
2
3-D tool compensation via surface-normal vectors
2
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)
2
Keeping the tool normal to the contour
2
Tool radius compensation perpendicular to traversing and tool direction
1
Programming of cylindrical contours as if in two axes
1
Feed rate in distance per minute
Straight line
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Chamfer
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Circular path
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Circle center
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Circle radius
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Tangentially connected arc
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Rounded corners
12
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