Reaming Tools Catalog - Komet

DIHART ® Cutting Ring
Assembly instructions: Cutting ring holder for blind hole machining
Greasing before assembly:
Grease conical screw and I.D. cone of cutting ring
on Ø 3.150 inch (80 mm) or larger.
light grease
No grease and must be free of debris , &
1
2
Lobe
(measuring teeth)
M
Screw the adjusting nut onto the holder with the smooth
face away from the shank. Slide the bushing onto the
holder with the wrench flats towards the shank. Mount the
cutting ring with the conical screw.
After assembling the conical screw check that there is space
between the bushing and cutting ring.
Tighten conical screw observing the specified torque M.
Dia. range
Torque M
2.3622 (60) 797 – 974 in-lbs (90 – 110 Nm)
2.3623 – 3.1492 (60.01 – 79.99) 1062 – 1239 in-lbs (120 – 140 Nm)
3.1493 – 3.9370 (80.00 – 100.0) 1593 – 1947 in-lbs (180 – 220 Nm)
The position for the drive pins is marked with a lobe or in
red. Before tightening and adjusting, rotate the cutting ring
against the direction of machining until contact is made
with the drive pins.
3
4
5
Align the markings on bushing and cutting ring to be sure
that the coolant holes are aligned with the cutting edges.
Set-up the diameter to the middle of the tolerance.
6
+
7
The diameter can only be measured at the marked cutting
edges due to unequal flute spacing!
8
Lobe
(measuring teeth)
Measure the diameter
If the diameter was set too large, the adjusting nut must be
loosened and the above process repeated.
9
63