Page 82 - ITALVIBRAS E-CATALOG
P. 82

ITV-VR/ITVAF

Technical features

Power supply                                 Insulation class                               structure with the standardized cradle
Three-phase voltage from 24V to 690V at      Class F (155°C).                               type RS2 except for frame size AF10, for
the various frequencies, depending on                                                       this the cradle fixing is type RS1.
the type and series. It is advisable to use  Tropicalization
the Vibravar, Multivar or the CFV variable   Standard on all vibrators, with vacuum         Lubrication
high frequency power suppliers to power      encapsulation up to size AF33 and for fra-     All the electric vibrators are correctly
the electric vibrators.                      me size AF70, with “drop by drop” trickle      lubricated in our factory and need no
                                             system for sizes AF50 and AF68.                further lubrication when used. Special
Conformity to the European Directives                                                       grease for high-speed operation is used
Low Voltage 2006/95/EC.                      Ambient temperature                            for frame sizes AF50, AF68 and AF70 a
                                             To operate correctly, from -20°C to +40°C.     periodic re-lubrication is recommended
Reference standards                                                                         by means of special grease nipples. The
EN 60034-1.                                  Vibrator thermal protection                    excess grease is discharged into the
                                             With PTC rated thermistor heat detectors       weight compartment by means of the
Operation                                    130°C installed as part of the standard        differentiated labyrinth system.
Continuous service (S1) at the maximum       assembly size AF70 onwards.
declared centrifugal force and electric      Also on request thermistors with different     Terminal box
power values.                                temperatures and anti-condensation hea-        Generously sized to make the electrical
                                             ters can be assembled on the lower sizes.      connections easier. Special shaped termi-
Centrifugal force                                                                           nals allow to fix the power supply cable.
Range extended up to 5300 kgf (52kN)         Fixing of the vibrator
with force output adjustable from 0 to       In all positions and therefore without         Electric motor
100%.                                        restriction. Two different types of con-       Three-phase asynchronous type.
                                             nection are available for the ITV-VR and
Mechanical protection                        ITVAF series: fixed connection, where the      Casing
IP66 according to IEC 529, EN 60529; IK08    electric vibrators are connected to the        Specifically designed for high speed
protection against impact.                   structure by bolts through fixing holes        duty. In high tensile strength aluminium
                                             and the RS cradle connection, where the        alloy for frame sizes AF10, AF30 and AF33.
                                             electric vibrators are connected to the        In spheroidal cast iron for sizes
                                                                                            AF33 (600245), AF50, AF68 and AF70.

                                                                                         N

                                                                                                                                     B

82

                                                                                                                               H
   77   78   79   80   81   82   83   84   85   86   87