HEIDENHAIN iTNC 530 Technical Manual page 299

Step 7
n
Position C = 180
n
Probe surface Y2
∆Y2 = determined value
n
Z1 = ∆Y2 – probe length + ball radius
n
n
If there is a difference between MP7530.0 and Z1, then MP7530.0 = 0.5 * (MP7530.0 + Z)
Step 8
n
Position C = 0
n
Position B = –90
n
Probe surface Z
∆Z = determined value
n
n
Position B = +90
n
Probe surface Z
n
Z = {[–0.5 * (∆Z + determined value) – probe length + ball radius] – Z1} / cos 45°
(Z1 see step 7)
n
If there is a difference between MP7530.3 and Z, then MP7530.3 = 0.5 * (MP7530.3 + Z)
February 2002 Tilting Axes 6 – 55