The Meldas M3 wants the speed set in the block before the G84 command.
M3 S260
G98 or G99 G84 Xx1 Yy1 Zz1 Rr1 Ff1 Pp1, Rr2
This is similar to Fanuc with the addition of Pp1 for dwell and the ,Rr2 (must be preceeded by a coma) which is the controls way of choosing between syncronous and asyncronous tapping.
,R0 = Asyncronous (use a sprung holder)
,R1 = Syncronous (Rigid tap)
Pp1 is for a dwell if you want one. (It can be left out)
Ff1 is the feed Formula is F=1/TPI*S or F= S/TPI
IE 260/13 = F20.0
RODMAN |