HEIDENHAIN TNC 620 (73498x-01) ISO programming - Manual (Page 388)

388 Positioning with manual data input
14.1 Pr
ogr
amming and ex
ecuting simple mac
h
ining oper
ations
Example 2: Correcting workpiece misalignment on machines
with rotary tables
Use the 3-D touch probe to rotate the coordinate system. See "Touch
Probe Cycles in the Manual and Electronic Handwheel Operating
Modes," section "Compensating workpiece misalignment," in the
Touch Probe Cycles User’s Manual.
Write down the rotation angle and cancel the basic rotation.
Select operating mode: Positioning with MDI.
Select the rotary table axis, enter the rotation angle
and feed rate you wrote down, for example: G01 G40
G90 C+2.561 F50
Conclude the entry.
Press the machine START button: The rotation of the
table corrects the misalignment