HEIDENHAIN TNC 426 (280 476) - Manual (Page 493)

466 13 Tables and Overviews
13.3 T
e
c
hnical Inf
o
rm
ation
Tool definitions Up to 254 tools in the program or any number in tables
Programming support n Functions for approaching and departing the contour
n On-screen pocket calculator
n Structuring programs
n
Comment blocks
n
Direct help on output error messages (context-sensitive)
Programmable functions
Contour elements n Straight line
n Chamfer
n Circular path
n
Circle center
n Circle radius
n Tangentially connecting circle
n Corner rounding
n Straight lines and circular arcs for contour approach and departure
n B spline
FK free contour programming For all contour elements not dimensioned for conventional NC
programming
Three-dimensional tool radius compensation For changing tool data without having to recalculate the program
Program jumps n Subprogram
n Program section repeat
n Program as subprogram
Fixed cycles
n
Drilling cycles for drilling, pecking, reaming, boring, tapping with a
floating tap holder, rigid tapping
n Cycles for milling internal and external threads
n Milling and finishing rectangular and circular pockets
n Cycles for multipass milling of flat and twisted surfaces
n Cycles for milling linear and circular slots
n Linear and circular hole patterns
n
Milling pockets and islands from a list of subcontour elements
n Cylindrical surface interpolation
Coordinate transformations n Datum shift
n
Mirror image
n
Rotation
n
Scaling factor
n Tilting the working plane
TNC features