4. DETAILS OF AUTOMATIC
AND NOTES ON ITS USE
Drilled when more
than the set value
If the value is undefined, drilling is not performed.
No.53: Minimum length–to–diameter ratio of the inner surface to
be drilled (unit: mm)
Initial value: Undefined
The inner surface is drilled when the length–to–diameter ratio is more
than the set value.
Set value <
Drilling is performed when 1/D is more than the set value.
1 If the value is undefined, drilling is not performed.
2 Drilling is performed only when the conditions for both
setting data No.52 and 53 are satisfied.