HEIDENHAIN TNC 620 (340 56x-01) - Manual (Page 508)

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13.3 T
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13.3 Technical Information
Explanation of symbols
„ Standard
‡ Axis option
‹ Software option 1s
User functions
Brief description „ Basic version: 3 axes plus closed-loop spindle
‡ 1st additional axis for 4 axes and closed-loop spindle
‡ 2nd additional axis for 5 axes and closed-loop spindle
Program entry HEIDENHAIN conversational
Position data „ Nominal positions for line segments and arcs in Cartesian 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 point
„ 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 repeats
„ Any desired program as subroutine