4-10 100-214-239 Rev. A
Installation and Setup
4.4.2 Connecting Tips, Horns, and Converters
Connecting the Horn to the Converter
To connect the horn to the converter, take the following steps:
A standard flat tip, recommended for processing liquids, is supplied with tapped horns. Other
tip configurations are available for experimental w ork on applications where the ultrasonic
vibrations are transmitted directly into the solution. The shape of the horn influences the direc-
tion in which the ultrasonic vibrations are delivered from the horn.
Connecting the Tip to the Horn
To attach the tip to the horn, take the following steps:
Step Action
1
Clean the contacting surfaces of the converter and horn, and remove any
foreign matter from the threaded stud and threaded hole.
2
Coat one of the mating surfaces completely with a very thin film of silicone
grease (without additives), using an amount about the size of a paper
match head. Excessive silicone grease can diminish performance.
3
Thread the horn stud into the converter and tighten, using spanner
wrenches. The recommended torque is 220 inch-pounds (24.85 Nm).
Step Action
1
Clean contacting surfaces of the horn and tip, and remove any foreign
matter from the threaded stud and threaded hole.
CAUTION
j The tip must be installed clean and dry, or the power supply
may not tune and operate correctly.
2
Hand-assemble the tip to the horn.
3
Using a spanner wrench on the horn and an open-end wrench on the tip,
tighten the tip. See Figure 4.3. Torque specifications for the various
threaded tips follow:
1/4-20 — tighten at 90 inch-lbs./10.16 Newton-meters
3/8-24 — tighten at 180 inch-lbs./20.33 Newton-meters
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