Tapping - HEIDENHAIN TNC 426 PB/M Technical Manual

4.3.13 Tapping

MP Function and input
MP7110.0 Minimum for feed rate override during tapping
Input:
MP7110.1 Maximum for feed rate override during tapping
Input:
MP7120.0 Dwell time for reversal of spindle rotational direction
Input:
MP7120.1 Advanced switching time of the spindle during tapping with
coded spindle-speed output
Input:
MP7120.2 Spindle slow-down time after reaching the hole depth
Input:
MP7130 Run-in behavior of the spindle during rigid tapping
Input:
MP7150 Positioning window of the tool axis during rigid tapping
Input:
MP7160 Spindle response during Cycle 17 and 18
Format:
Input:
4 – 48
0 to 150 [%]
0 to 150 [%]
0 to 65.535 [s]
0 to 65.535 [s]
0 to 65.535 [s]
0.001 to 10 [°/min]
0.0001 to 2 [mm]
%xxxx
Bit 0 – Oriented spindle stop with Cycle 17
0: Before execution of Cycle 17
spindle orientation
1: Before execution of Cycle 17 no
spindle orientation
Bit 1 – Spindle speed
0: Spindle speed is not limited
1: Spindle speed is limited so that
about 1/3 of the time the spindle runs at constant
speed
Bit 2 – Spindle in position feedback control
0: Spindle operated without position feedback
control
1: Spindle operated with position feedback
control
Bit 3 – IPC and acceleration feedforward control
0: Active
1: Not active
HEIDENHAIN Technical Manual TNC 426, TNC 430
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version and
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