HEIDENHAIN TNC 426 B User Manual page 353

Table of Contents

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Program memory
Tool definitions
Programming support
Programmable functions
Contour elements
FK free contour programming
Three-dimensional tool radius compensation
Program jumps
Fixed cycles
338
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Hard disk with 1500 MB for NC programs
No limit on number of files
Up to 254 tools in the program or any number in tables
Functions for approaching and departing the contour
On-screen pocket calculator
Structuring long programs
Comment blocks
Direct help on output error messages (context-sensitive)
Straight line
Chamfer
Circular arc
Circle center
Circle radius
Tangentially connecting circle
Corner rounding
Straight lines and circular arcs for contour approach and departure
B spline
For all contour elements not dimensioned for conventional NC
programming
For changing tool data without having to recalculate the program
Subprograms
Program section repeats
Program as Subprogram
Drilling cycles for drilling, pecking, reaming, boring, tapping with a
floating tap holder, rigid tapping
Milling and finishing rectangular and circular pockets
Cycles for milling linear and circular slots
Linear and circular hole patterns
Cycles for multipass-milling of flat and twisted surfaces
Milling pockets and islands from a list of subcontour elements
Cylindrical surface interpolation
13 Tables and Overviews

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