Destination Of Use Of The Exciter; Technical Features; Section 2: Safety Regulations; Safety - ITALVIBRAS GIORGIO SILINGARDI VU Série Mode D'emploi

Excitateurs á balourds
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The Italvibras linear motion exciters have been designed with a
spherical cast iron body that, by means of 4 bearings, supporting
two shafts coupled by two helical gears. The eccentric weights
are mounted at the ends of both shafts, the static moment of the
eccentric weights it's adjustable by means of additional weights in
steel or lead.
The gear and bearings inside the exciter body are lubricated for oil
immersion and for oil mist lubrication.
Due to the shaft coupling by the gears the eccentric weights on the
two shafts are rotating synchronized in opposite sense, determining a
resulting unidirectional centrifugal force perpendicular to the mounting
surface of the exciter.
The rotation is obtained by an external driving system coupled with
one of the two shafts (driving shaft) by coupling it with a joint, generally
a universal joint (Hooke joint or Cardan shaft).
The external drive can be a motor (electric or other) coupled directly
or by belts and pulleys, etc. The external drive can have variable
RPM with maximum and minimum values following specifications
of the exciter.
To increase the centrifugal force obtained by a single exciter, it is
possible to couple in series two or more exciters, same type, coupling
them by means of the driving shaft.

1.4 DESTINATION OF USE OF THE EXCITER

The exciters listed in this manual have been designed and built
for specific needs and relative to use on vibrating machines.
This exciter, cannot be commissioned before the machine into
which it will be incorporated has been declared in compliance
with the dispositions in the 2006/42/EC Directive and successive
amendments.
In the application field of the 2006/42/EC Directive the VU li-
near motion exciters can be considered as "partly completed
machinery".
Its use for jobs different from those envisioned and non-conform
to that described in this manual, as well as being considered
improper and prohibited, releases the Manufacturer from any
direct and/or indirect liability.

1.5 TECHNICAL FEATURES

See the specific tables starting from page 32 for the «Technical
Features» of the individual exciters.
SECTION 2
– Safety regulations

2.0 SAFETY

Careful reading of this manual is highly recommended, the safety
regulations in particular.
Pay great attention to dangerous operations.
The Manufacturer declines all liability for non-compliance to
safety regulations and to accident-prevention prescriptions
described below. It also declines any responsibility for dama-
ge caused by improper use of the product or by unauthorised
modifications.
Pay attention to the danger signal present in this manual; it
precedes the signal for a potential danger.

2.1 GENERAL SAFETY REGULATIONS

Before using the exciter, carefully read and memorise the fol-
lowing safety regulations. After reading, preserve this manual
with care.
Before start to operate with the exciter it's strictly mandatory to
study and memorise all informations enclosed in this manual.
- All safety regulations and regulations against accidents valid in
the country of use have to be absolutely followed.
- All the people working and operating in the area in which the
exciter is installed must be aware all information included in this
manual.
- The technicians in charge for maintenance and repairing opera-
tions of the exciter have to be qualified and trained by the machi-
ne manufacturer. These people have to be instructed about the
information included in this manual.
WARNING: When using and working with the exciter, it's pos-
sible that the eccentric weights turn on their axis with danger
of knocking or pressing.
- Maintain the work area clean and orderly. Untidy areas and envi-
ronments favour accidents.
- Before starting work, check the perfect integrity of the exciter and
the machine to which it is applied. Check normal functioning and
that no elements are damaged or broken. The damaged or broke
parts must be repaired or replaced by authorised, trained staff.
- Repair, or have repaired by unauthorised staff, means, operating
with unsafe and potentially dangerous equipment as well as loosing
the warranty.
- Do not touch the exciter when functioning.
- Any type of check, control, cleaning, maintenance, change and
piece replacement, must be carried out with the exciter stopped.
The drive motor has to be switched off with the plug disconnected
from the socket.
- It is prohibited for children, unauthorised persons, unskilled per-
sons and persons who are not in good health to touch or use the
exciter.
- Check that the plant power supply of the drive motor is in com-
pliance with the regulations.
- If the insertion of an exciter onto a machine causes the sound
level, established by the regulations in force in the country in which
it is to be used, to be exceeded, operators must use adequate
protection to protect their hearing e.g. earphones.
- A complete copy of this manual has always to be included in
the documents of the vibrating machine on which the exciter is
installed.
- A complete copy of this manual has always to be available in the
closeness of the exciter.
- Even if exciters are planned to work at low temperatures, in parti-
cularly hot environments the temperature of the exciters may reach
very high values which are induced by the environment itself.
Wait for the exciter cooling before intervening.
WARNING: When working the exciter body contain lubricant
oil at high temperature. Wait for the exciter cooling before
intervening.
- Only authorised tools that are described in the instructions or shown
in the Manufacturers catalogue can be used. Ignoring this advice
means operating unsafe and potentially dangerous equipment.
- Repairs must only be carried out by staff authorised by the
Manufacturer. The Manufacturer is however at complete di-
sposal to ensure immediate and accurate technical assistance
and all that is necessary for good functioning and maximum
performance of the product.
- The user must prevent persons or foreign bodies from coming into
contact with the eccentric weights during functioning.
WARNING: It's strictly forbidden to use the VU exciter in poten-
tially explosive atmosphere.

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