Calibrate Ts (Cycle 460, Din/Iso: G460) - HEIDENHAIN TNC 640 User Manual

17
17.7 CALIBRATE TS (Cycle 460,
DIN/ISO: G460)
With Cycle 460 you can calibrate a triggering 3-D touch probe
automatically on an exact calibration sphere.
It is also possible to capture 3-D calibration data. Software option
92, 3D-ToolComp, is required for this purpose. 3-D calibration data
describe the deflection behavior of the touch probe in any probing
direction. The 3-D calibration data are stored under TNC:\system
\CAL_TS<T-Nr.>_<T-Idx.>.3DTC. The DR2TABLE column of the tool
table refers to the 3DTC table. The 3-D calibration data are then
taken into account when probing. This 3-D calibration is necessary
if you want to achieve a very high accuracy with Cycle 444 3-D
Probing (See "3D PROBING (Cycle 444)", page 635).
Cycle run
The setting in parameter Q433 specifies whether you can perform
radius and length calibration, or just radius calibration.
Radius calibration Q433=0
1 Clamp the calibration sphere. Ensure the prevention of collisions
2 In the touch probe axis, position the touch probe over the
calibration sphere, and in the working plane, approximately over
the sphere center.
3 The TNC first moves in the plane, depending on the reference
angle (Q380).
4 The TNC then positions the touch probe in touch-probe axis.
5 The probing process starts, and the TNC begins by searching for
the equator of the calibration sphere
6 Once the equator has been determined, the radius calibration
begins
7 Finally, the TNC returns the touch probe in the touch-probe axis
to the height at which it had been pre-positioned.
642
Touch Probe Cycles: Special Functions | CALIBRATE TS (Cycle 460, DIN/ISO: G460)
HEIDENHAIN | User's manual for cycle programming | 10/2017