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VU                                                       The VU series linear motion exciters manufactured by
                                                             Italvibras have been designed for medium and large size
                                                             vibrating machines operating in many industrial processes.

                                                             The state of the art design and components selected, offer
                                                             best performance, low operating noise, resulting in a lon-
                                                             ger lifetime for bearings and gears.

                                                             Model VU exciters can be mounted in line (connected
                                                             through cardan shafts), in order to achieve higher centrifu-
                                                             gal forces.

Technical features                                  Ambient temperature                                Bearings
                                                    From -40°C to +70°C.                               Spherical roller bearings, highest quality,
Functioning                                         Exciter mounting position                          rated lifetime in excess of 40000 hours in
Vu linear motion exciters are composed by           VU exciters can be mounted in all positions,       conditions of maximum load.
a casing (central body) that, by means of 4         always with the shafts in horizontal position.     Shafts
bearings supports two shafts, synchronized          Lubrication                                        In treated steel alloy (Isothermic hardening)
by two helicoidal ground gears. The eccen-          Gears and bearings are oil splash / spray          resistant to stress.
tric weights are mounted at the end of both         lubricated.                                        Eccentric weights / additional weights
shafts, rotating synchronized in opposite           Driving system                                     Eccentric weights in steel, additional
sense, determining a resulting unidirectio-         The movement is transmitted by an external         weights in steel and/or lead.
nal centrifugal force perpendicular to the          driving system coupled with the driving            Weight covers
mounting surface of the exciter.                    shaft by means of a joint, generally a Cardan      All exciters are equipped with two weight
Confomity to European Directives                    joint (recommended). The external driving          covers for protection from rotating parts.
In the application field of the Machinery           system can be an electric motor, a hydraulic       Painting
Directive 2006/42/EC, the VU linear motion          motor or other motor type, directly coupled        Electrostatic surface treatment based on
exciters can be considered as “partly com-          or by belts and pulleys.                           polymerised epoxy polyester powder in
pleted machinery”.                                  Casing                                             oven at +200°C. Tested in salt spray for 500
Static moment                                       In spheroidal cast iron.                           hours.
From 3140 to 119525 kgmm. The static mo-
ment of eccentric weights can be adjusted
by means of the additional weights.
Centrifugal Force
Up to 453kN.

                  Description                                                                       Specifications

    Code     Type                            Frame  Weights    Static  Max RPM                         Centrifugal  Weight           Motor
                                              270   setting  moment                                        force       kg            rating
                                              280                                                            kN
                                              280     Min     kgmm                                                   240                kW
    0605033  VU 5000/6-S08                    295     Max              1348                            63            265               4
    0605021  VU 8000/6-S08                    295     Min     3140                                     67            298              5.5
    0605020  VU 10000/6-S08                   297     Max     5435     1062                            98            340              5.5
    0605022  VU 14000/6-S08                   297     Min     4130                                     107           300              7.5
    0605032  VU 16000/6-S08                   297     Max     8065     1470                            98            357               11
    0605023  VU 18000/6-S08                   310     Min     4294                                     107           430               11
    0605025  VU 23000/6-S08                   310     Max     9693     1100                            145           490               15
    0605024  VU 27000/8-S08                   310     Min     7642                                     153           433               11
    0605026  VU 33000/6-S08                   320     Max    13955     1443                            146           509             18.5
    0605028  VU 38000/6-S08                   360     Min     7963                                     160           563             18.5
    0605027  VU 42000/8-S08                   360     Max    15950     1000                            186           649             18.5
    0605029  VU 74000/8-S08                           Min     8225                                     197           631              30
    0605041  VU 103000/6-S08                          Max    17980     1316                            227           741              45
    0605042  VU 120000/6-S08                          Min     10410    1000                            252           629              55
                                                      Max    22885                                     164           758
                                                      Min    12065     1293                            164           895       B
                                                      Max    26635                                     288          1005
                                                      Min    17650     956                             312           949
                                                      Max    32583                                     298           1078
                                                      Min    20448     1435                            323           949
                                                      Max    37881                                     260           1116
                                                      Min    20060     1000                            260          1520
                                                      Max    42060                                     423           1703
                                                      Min    43580     1410                            453          2232
                                                      Max    73440                                     576          2450
                                                      Min    58862     1000                            620          2335
                                                      Max    102955                                    585          2600
                                                             65940     1115                            632
                                                             119525
                                                                       750

                                                                       1220

                                                                       935                          N
                                                                       1153

                                                                       882

                                                                       1087

                                                                       750

                                                                       940

                                                                       750

                                                                       945

                                                                       741

                                                                       900

                                                                       694

80

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