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High frequency electric vibrators ITV-VR - Italvibras
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High frequency electric vibrators ITV-VR - Italvibras


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Vibrator, Electric vibrator


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ITU-UR/ITURF
Italvibras produces 2 series of electric vi­brators with frequency variation which can be applied to systems and machines in the precasting industry:
ITV-VR Series, with variable frequency; ITVAF Series, with fixed frequency.
The ITV-VR series electric vibrators are able to provide a centrifugal force of up to 5300 Kgf (52 kN) at a frequency varying from 0 to 6.000 rpm. The ITVAF series electric vibrators with fixed vibration (6000 or 9000 rpm) provide a vibrating energy of up to 1480 Kgf (14,6 kN).
Both are available with eitherthe fixed or cradle connection.
Technical features
Certifications
Power supply
Three-phase voltage from 24V to 690V at the various frequencies, depending on the type and series. It is advisable to use the Vibravar, Multivar or the CFV variable high frequency power suppliers to power the electric vibra­tors.
Conformity to the European Directives
Low Voltage 72/23/CE; Electromagnetic com­patibility 89/336/CE.
Reference standards
EN 60034-1.
Operation
Continuous service (SI) at the maximum decla­red centrifugal force and electric power values.
Centrifugal force
Range extended up to 5300 kgf (52kn) with force output adjustable from 0 to 100%.
Mechanical protection
IP66 according to IEC 529, EN 60529; IK08 pro­tection against impact.
Insulation class
Class F(155°C).
Tropicalization
Standard on all vibrators, with vacuum impre­gnation up to size AF 33 and 35, with "drop by drop" trickle system for larger sizes.
Environmental temperature
To operate correctly, from -30°C to +40°C.
Vibrator heat protection
With PTC rated thermistor heat detectors 130°C installed as part of the standard assem­bly size AF70 onwards. Also on request thermistors with different temperatures and anti-condensation heaters.
Fixing of the vibrator
In all positions and therefore without restric­tion. Two different types of connection are available forthe ITV-VR-S90and ITVAF-S90 series: fixed connection, where the electric vibrators are connected to the structure by bolts through fixing holes and the RS cradle connection, where the electric vibrators are connected to the structure with the standardi­zed cradle type RS2.
Lubrication
All the electric vibrators are correctly lubricated in our factory and need no further lubrication when used. Special grease for high-speed ope­ration is used. Periodic re-lubrication is recom­mended by means of special grease nipples. The excess grease is discharged into the weight compartment by means of the differentiated labyrinth system.
Terminal box
Generously sized to make the electrical con­nections easier. Special shaped terminals allow to fix the power supply cable.
Electric motor
Three-phase asynchronous type.
Casing and bearing flange
In ductile cast iron to optimize the seal and efficiency at high speeds.
Bearings
A special shape, exclusively designed and made for Italvibras and able to bear strong loads at high speeds.
Motor shaft
in treated steel alloy (isothermic hardering) able to withstand high stress.
Eccentric weights
Specially shaped lamellar type that can be easily adjusted.
Weight covers
In aluminium alloy treated with rust inhibitor. They are perfectly dustproof, watertight and offer optimum shock resistance in all condi­tions of use and workenvironments.
Painting
Electrostatic surface treatment based on poly­merised epoxy polyester powder in oven at 200°C. Tested in salt spray for 500 hours.
Regulation CAN/CSA - C22.2 N. 100-95, file n°LR100948 Class 4211 01 - Motors and generators.
Mechanical protection IP66 (EN 60529), shock-proof protection IK 08 (EN 50102)
CESI LCiE
Gost-R certificate for all models of vibrators: GOST 16264.1, GOST 16264.0, GOST R 51689.
Comply with the applicable European Union directives
italvibras g.smngarai
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pageCatalog pdf di En 2012-05-22-30