Mounting with 2-part clamping ring (D.R.M.B.)
The distributor ring can be clamped onto a rigid collar on the
machine (at least 8 mm wide) using a two-piece clamping ring. The
distributor ring is clamped onto this collar by two screws. The
height of the clamping ring is designed according to the "Bracket
Mounting" chapter. ( 6.3.2, Page 39).
During assembly, this two-piece clamping ring is first screwed to
the threads of the distributor ring. Then they entire assembly
group is clamped onto the rigid collar of the machine. When
mounting the chuck with a bayonet or Camlock, the clamping ring
should have a cut-out to allow access to the collar nuts or
clamping cams using the corresponding wrench.
NOTE
The distributor ring must be aligned with the outer chuck diameter
in such a way that at least a radial and axial run-out tolerance of
0.1 mm is achieved.
During the assembly, as mentioned at the start, it must be ensured
that the distributor ring is axially and radially aligned with the
chuck body without contact and fixed.
Note
Therefore, ONLY flexible connection cables may be used.
The radial alignment of the distributor ring is correct if the
distance between the distributor ring cover and the distributor
ring equals a (see the "Conventional Mounting of the Distributor
Ring" chapter) ( 6.3.2, Page 39). The ring can be aligned radially
with a feeler gauge. The air gap between the chuck body and the
distributor ring at the front and rear should be uniform over the
entire circumference (approx. 1 mm). Additional measurement
and alignment can be performed by using a magnetic dial indicator
stand, which is placed on the face side of the chuck. The dial
indicator is placed radially against the distributor ring and the
distributor ring is aligned until the dial indicator no longer
indicates a significant deviation (approx. 0.2 mm).
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