
PROGRAMMING
B–61404E/08
4. INTERPOLATION FUNCTIONS
46
NOTE
1 The spindle speed is limited as follows :
1 x spindle speed x
Spindle speed : rpm
Thread lead : mm or inch
Maximum feedrate : mm/min or inch/min ; maximum
command–specified feedrate for feed–per–minute mode or
maximum feedrate that is determined based on mechanical
restrictions including those related to motors, whichever is
smaller
2 Cutting feedrate override is not applied to the converted
feedrate in all machining process from rough cutting to finish
cutting. The feedrate is fixed at 100%
3 The converted feedrate is limited by the upper feedrate
specified.
4 Feed hold is disabled during threading. Pressing the feed
hold key during threading causes the machine to stop at the
end point of the next block after threading (that is, after the
G33 mode is terminated)
Thread lead
Maximum feedrate
Threading at a lead of 1.5mm
G33 Z10. F1.5;
Examples