I have been using tapping heads for years, just tired of dealing with
their sometimes minor issues. Thought it was time to get current. I have
some Bilz style T/C tap holders. Will they work for rigid tapping, or do
you need rigid tap holders too?
What does the Q parameter do on the Fadal G84.1 for rigid tapping?
I use compression/tension holders about half the time. They can
compensate for minor lead errors of the machine.
It's the pitch of the thread (1/2-13 tap, 1 divided by 13 = .
0769). It allows the machine to calculate the feedrate at that pitch.
BTW If you're going to E-mail the same exact question as your post,
it's easier if you send them both together so I can respond to both of
One great thing about Yasnac is you can download manuals online for
You have a Yasnac MX2 control, book mark this page and/or download the
The MX2 Operators Manual is dated 1985 and looking through it I don't
see rigid taping and like a previous poster mentioned Thread Milling
can be done if you have full 3 Axis.
Funny reading the descriptions of the canned cycles though "Wood
Every Yasnac I have used uses the following
G98 G84 Z-1.0 R.1 F.05
The G93 puts the machine in IPR (Inches Per Rev) mode
G94 switches back to IPM (inches per minute)
A bit confusing because G93 puts a Fanuc into inverse time
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