Startup
5-3
Digital Compact
200
2 B
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5.2.2
Installing the Acoustic Stack
The acoustic stack consisting of converter, booster and horn must be
assembled properly prior to installation in the press unit.
NOTE!
Booster and horn are not included in the
scope of delivery.
The acoustic stack is an acoustic precision tool which must be treated
with greatest care. Even the smallest damage or careless assembly
might severely impair the resonant properties or even result in destruc-
tion of the unit.
When installing the acoustic stack, please proceed as follows:
1. Check whether the horn stud sits tightly. In case one of the studs
has loosened, the teeth at the tip could be damaged. Therefore it
has to be replaced.
CAUTION!
Never use other than proprietary horn studs as they are designed
to resist the effects of ultrasonics.
Tighten the new horn stud using a hexagon socket torque wrench
applying a torque according to Tab. 5-1.
2. Clean the mating surfaces (= contact surfaces between the three
components) and threads at converter, booster and horn using a
damp clean cloth which is not fussing.
Tab. 5-1
Torque for hexagon socket head screws
Operating
Frequency
Thread
w/f hexagon
socket
Torque
20 kHz
1/2“
1/4“
50 Nm
20 kHz
3/8“
3/16“
35 Nm
30 kHz
3/8“
3/16“
30 Nm
40 kHz
M8
4
20 Nm
!
Summary of Contents for DC 222
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Page 42: ...Description of the Unit 4 14 Digital Compact...
