Tables and Overviews | Technical Information
21
902
HEIDENHAIN | TNC 640 | Conversational Programming User's Manual | 10/2017
User functions
User functions
■
Basic version: 3 axes plus closed-loop spindle
■
Fourth NC axis plus auxiliary axis
or
Short description
□
8 additional axes or 7 additional axes plus 2nd spindle
■
Digital current and speed control
Program entry In HEIDENHAIN conversational format and DIN/ISO
■
Nominal positions for lines and arcs in Cartesian coordinates or polar
coordinates
Position entry
■
Incremental or absolute dimensions
■
Display and entry in mm or inches
■
Tool radius in the working plane and tool lengthTool compensation
■
Radius compensated contour look ahead for up to 99 blocks (M120)
2 Three-dimensional tool-radius compensation for changing tool data
without having to recalculate an existing program
Tool tables Multiple tool tables with any number of tools
Constant contour speed
■
With respect to the path of the tool center
■
With respect to the cutting edge
Parallel operation Creating a program with graphical support while another program is being run
2 Motion control with minimum jerk
2 3-D tool compensation through 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 Manage-
ment)
3-D machining
(Advanced Function Set 2)
2 Keeping the tool normal to the contour
2 Tool radius compensation perpendicular to traversing and tool direction
Rotary table machining
(Advanced Function Set 1)
1 Programming of cylindrical contours as if in two axes
1 Feed rate in distance per minute
■
Straight line
■
Chamfer
■
Circular path
■
Circle center
■
Circle radius
Contour elements
■
Tangentially connected arc
■
Rounded corners
■
Via straight line: tangential or perpendicularApproaching and departing
the contour
■
Via circular arc
FK free contour programming
■
FK free contour programming in HEIDENHAIN conversational format
with graphic support for workpiece drawings not dimensioned for NC
To Next Page
Loading...
