HEIDENHAIN TNC 620 (340 56x-03) - Manual (Page 494)

494 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 1s
User functions
Short description „ Basic version: 3 axes plus closed-loop spindle
‡ First additional axis for 4 axes plus closed-loop spindle
‡ 2nd additional axis for 5 axes plus closed-loop spindle
Program entry In HEIDENHAIN conversational format and DIN/ISO over soft keys or USB keyboard
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)
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
Contour elements „ Straight line
„ Chamfer
„ Circular path
„ Circle center
„ Circle radius
„ Tangentially connected arc
„ Corner rounding
Approaching and departing
the contour „ Via straight line: tangential or perpendicular
„ 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
Program jumps „ Subroutines
„ Program-section repeat
„ Any desired program as subroutine