HEIDENHAIN TNC 426 PB/M Technical Manual page 390

6 – 60
Step 2b
Determining the Z offset:
n
Position A = 0
n
Place dial indicator against
the spindle nose
n
MP7530.0 = determined
value – cylinder radius
Step 3
Determining the Y offset:
n
Position A = 0
n
Position C = 0 and set C = 0
n
Position C = 180
n
Read Y offset from the dial
indicator
n
MP7530.4 = (0.5 *
(determined value)) –
MP7530.1
HEIDENHAIN Technical Manual TNC 426, TNC 430