NEWS 2005 - Jan Havelka

Assembling the boring head for synchronized machining
Operating Instructions
For the “ST System“ – Rough Boring Head with 2 Cutting Edges
SOLID CARBIDE DRILLING
right
1
2
left
MODULAR DRILLING
Push central ring (1) toward the center
of the synchronization screw (2).
The hexagonal part on the inner side
of the synchronization screw has a
right-hand thread on one side and a
left-hand thread on the opposite side.
Tighten one of the 3 screws of the
central ring (1).
The toolholders have dots: one dot
for right-hand threads and 2 dots for
left-hand threads.
HOLEMAKING
INDEXABLE DRILLING
3
HSK MODBORE
Insert the central ring together with
the synchronization screw into the
central bore. Align the toolholder with
left-hand thread (2 dots), moving it
towards the synchronization screw. The
inner hexagon has to be opposite the
toolholder (3).
Align the second toolholder by moving it
toward the screw. Now turn the screw
with the key until at least one toolholder
contacts the central ring.
Adjustment
Remove the previously fixed screw
of the central ring. Now turn the
synchronization screw until both
toolholders touch the central ring.
Splitting depth machining
ROMICRON
4
Now the toolholders are in a central
position. Tighten the 3 screws of the
central ring. Mount clamping screws (4)
and tighten them slightly. The head is
now ready for synchronized machining.
Set bore diameter with the setting key
and fix the two clamping screws.
(Presetting equipment is necessary.)
The toolholders for splitting depth
machining are black finished and their
z-axis has an offset of 0,4 mm (.016 inch).
They are identified with a right-hand
thread and have 3 dots.
To place an order, contact your Kennametal representative or visit www.kennametal.com.
A47