December 2001 Brief Description 2 – 27
Coordinate transformation n Datum shift, rotation, mirroring
n Scaling factor (axis specific)
n Tilting the working plane
Touch probe cycles n Touch probe calibration
n Compensating workpiece tilt manually and automatically
n Setting the datum manually and automatically
n Automatic workpiece measurement
n Cycles for automatic tool measurement
n Digitizing cycles
Q parameters — programming
with variables
n Mathematical functions =, +, –, *, /, sin α, cos α, angle α from
sin α and cos α,
n Logical comparisons (=, =/, <, >,)
n Parentheses
n tan α, arc sin, arc cos, arc tan, a
n
, e
n
, ln, log, absolute value of a
number, constant π, negation, truncation before or after decimal
point
Programming aids n Pocket calculator
n Structuring of part programs
n Graphic support for the programming of cycles
Actual position capture Actual positions can be transferred directly into the part program
Test graphics — display modes Graphical simulation before a program run:
n Plan view
n Projection in three planes
n 3-D view
n Magnification of details
Programming graphics In the Programming and Editing operating mode, the contours of
the NC blocks are drawn while they are being entered (2-D pencil-
trace graphics)
Program run graphics — display
modes
Graphic simulation during real-time machining:
n Plan view
n Projection in three planes
n 3-D view
Machining time n Calculation of approximate machining time in the Test Run mode
of operation
n Display of the current machining time in the Program Run modes
of operation
Returning to the contour n Mid-program startup in any block in the program, returning the
tool to the calculated nominal position to continue machining
n Program interruption, contour departure and return
Datum tables Multiple datum tables, each with 254 datums
Pallet tables Multiple pallet tables with any number of entries for selection of
pallets, part programs and datums
User functions TNC 426 and TNC 430
a
2
b
2
+
a
,
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