21 .3 t e c hnical inf o rm ation – HEIDENHAIN TNC 128 (77184x-01) User Manual
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HEIDENHAIN TNC 128
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Programming aids
Calculator
Complete list of all current error messages
Context-sensitive help function for error messages
Graphic support for the programming of cycles
Comment blocks in the NC program
Actual position capture
Actual positions can be transferred directly into the NC program
Test run graphics
Display modes
Graphic simulation before program run, even while another program is being run
Plan view / projection in 3 planes / 3-D view
Magnification of details
Programming graphics
In the Programming mode, the contour of the NC blocks is drawn on screen while they
are being entered (2-D pencil-trace graphics), even while another program is running
Program Run graphics
Display modes
Graphic simulation of real-time machining in plan view / projection in 3 planes /
3-D view
Machining time
Calculating the machining time in the Test Run mode of operation
Display of the current machining time in the Program Run modes
Returning to the contour
Mid-program startup in any block in the program, returning the tool to the calculated
nominal position to continue machining
Program interruption, contour departure and return
Datum tables
Multiple datum tables, for storing workpiece-related datums
Touch probe cycles
Touch probe calibration
Datum setting, manual
Cycles for automatic tool measurement
Specifications
Components
Operating panel
TFT color flat-panel display with soft keys
Program memory
Minimum 2 GB
Input resolution and display
step
Up to 0.1 µm for linear axes
Up to 0.0001° for rotary axes
Input range
Maximum 999 999 999 mm or 999 999 999°
Block processing time
3-D straight line without radius
compensation
6 ms
Axis feedback control
Position loop resolution: Signal period of the position encoder/1024
Cycle time of position controller: 3 ms
Cycle time of speed controller: 200 µs
Range of traverse
Maximum 100 m (3937 inches)
User functions