HEIDENHAIN TNC 640 (34059x-01) ISO programming - Manual (Page 468)

468 Tables and Overviews
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7.3 T
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17.3 Technical Information
Explanation of symbols
„ Standard
‡ Axis option
‹ Software option 1
z Software option 2
User functions
Short description „ Basic version: 3 axes plus closed-loop spindle
„ Fourth NC axis plus auxiliary axis
or
‡ 8 additional axes or 7 additional axes plus 2nd spindle
„ Digital current and shaft speed control
Program entry In HEIDENHAIN conversational and ISO
Position data „ Nominal positions for lines and arcs in Cartesian coordinates or polar coordinates
„ Incremental or absolute dimensions
„ Display and entry in mm or inches
Tool compensation „ Tool radius in the working plane and tool length
„ Radius compensated contour look ahead for up to 99 blocks (M120)
z Three-dimensional tool-radius compensation for subsequent changing of tool data
without having to recalculate the program
Tool tables Multiple tool tables with any number of tools
Constant cutting 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
3-D machining (software
option 2) z Motion control with minimum jerk
z 3-D compensation through surface normal vectors
z 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)
z Keeping the tool normal to the contour
z Tool radius compensation normal to the direction of traverse and the tool direction
Rotary table machining
(software option 1) ‹ Programming of cylindrical contours as if in two axes
‹ Feed rate in distance per minute