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Unbalanced motors are suitable as drives for vibration conduits and pipes, vibrating and bar grate filters, vibration funnels and vibrating tables, worm conveyors or water removal equipment. As vibrators for silos, bunkers, deflection grills, downspouts, chutes, filter, filling plants, they guarantee a smooth material flow. Whether in gravel drainage, screening, dedusting or filters, with the conveying of large volume quantities or in case of special tasks involved in process engineering, such as e.g. concrete compaction, dosing and material loosening, AViTEQ unbalanced motors perform their work reliably in every case. Take advantage of our more than 50 years of experience in vibration conveying technologies in all sectors.

Brochure .pdf

Advantages of the AViTEQ unbalanced motors:

Operationally safe in continuous employment
High level of performance with compact dimensions
efficiency
latest state-of-the-art of production engineering
conformity with all EC Guidelines which affect the drives
also available for explosion-endangered spaces (Ex), as well as for 60 Hz power systems and other mains voltages

Construction and operating mode

The unbalanced motor is a three-phase ac induction motor, on which weights are eccentrically attached at the ends of the running shaft; so-called eccentric weights (flyweights).
Centrifugal forces are generated with rotating waves. The value of these centrifugal forces can be changed by adjustment of the flyweights while the motors are at standstill. The centrifugal forces which the motor generates displace the working device (conduit, table, shaped form) and the conveyed material mass by means of vibrations.

Drive	Centrifugal force (N)	working torque (kgcm)	effective weight range (kg) vonbis		motor weight (kg)
UVA 0,04Y	39	0,08	Rüttler	Rüttler	0,9
UVA 0,6Y	608	1,22	13	52	4,1
UVB 1 Y	981	1,96	16	89	4,3
UVB 1,9 Y	1.890	3,82	38	183	5,0
UVC 3 Y	2.980	6,02	59	284	8,3
UVD 5 Y	4.930	9,98	99	473	13
UVE 7,7 Y	7.700	15,60	161	746	17
UVE 11 Y	10.800	22	230	1.055	23
UVF 20 Y	20.200	41	400	1.940	56
UVG 32 Y	31.600	64	595	2.995	103
UVH 40 Y	40.000	81	725	3.760	145
UVL 62 Y	62.400	126	1.210	5.930	184
UVL 88 Y	88.400	179	1.810	8.520	215

Drive	Centrifugal force (N)	working torque (kgcm)	effective weight range (kg) vonbis		motor weight (kg)
UVB 0,3 X	265	2	1	19	4,4
UVB 0,7 X	746	5,9	9	68	5,3
UVC 1,5 X	1.460	11,8	19	137	9,9
UVC 2,1 X	2.090	16,8	34	203	10,7
UVD 4 X	4.040	32,6	75	400	17
UVD 5,4 X	5.420	43,8	108	546	19
UVE 7 X	7.060	57,2	140	715	25
UVE 10 X	10.300	83	215	1.045	31
UVF 18 X	17.600	143	250	1.780	64
UVF 24 X	23.700	192	475	2.395	83
UVG 38 X	37.700	305	775	3.825	122
UVH 49 X	49.100	398	990	4.970	168
UVL 64 X	64.100	520	1.320	6.520	208
UVN 83 X	82.600	669	1.600	8.290	317
UVP 112 X	112.000	909	2.165	11.255	433

Drive	Centrifugal force (N)	working torque (kgcm)	effective weight range (kg) vonbis		motor weight (kg)
UVE 3 W	3.150	57	40	235	25
UVE 5 W	5.020	91	75	390	33
UVF 11 W	11.100	202	165	865	73
UVF 16 W	16.100	293	265	1.280	93
UVG 21 W	21.100	385	335	1.665	130
UVG 30 W	29.500	538	540	2.400	145
UVH 38 W	37.500	684	665	3.030	195
UVH 46 W	46.100	841	870	3.785	211
UVL 64 W	64.000	1.168	1.270	5.315	263
UVK 79 W	78.900	1.439	1.560	6.540	327
UVN 95 W	95.100	1.735	1.900	7.910	384
UVP 119 W	119.000	2.163	2.330	9.815	500

Drive	Centrifugal force (N)	working torque (kgcm)	effective weight range (kg) vonbis		motor weight (kg)
UVF 6 V	6.250	202	55	360	73
UVF 9 V	9.045	293	110	545	93
UVG 14 V	14.350	465	175	810	145
UVH 21 V	21.110	684	295	1.320	195
UVH 26 V	25.950	841	420	1.680	211
UVL 36 V	29.500	1.168	640	2.395	263
UVK 44 V	37.500	1.439	785	2.945	327
UVN 76 V	46.100	2.478	1.600	5.320	438
UVP 85 V	64.000	2.763	1.685	5.830	540

Reference:

Deviating data for unbalanced motors for connection to 265/460V, 60Hz power supply, see reference pamphlet VIB.2.56 Arrangement of the Motors. In the case of unbalanced motors, elliptical, circular or rectilinear vibration movements of the working device can be generated, according to arrangement.

Double drives, which are counterrotating and synchronous rotating, generate a linear vibration movement; for example, in the case of vibration conduits or pipes.
Individual drives, which are arranged at the center of gravity, generate a circular vibration movement; for example in the case of filters.
Individual drives, which are arranged outside of the center of gravity, result in an elliptical vibration movement; for example for the shaking of bunkers.

Construction notes for working devices

The installation of the motors must be implemented on a flexurally-resistant drive part, since otherwise there is a danger of breaking and the motors cannot synchronize themselves automatically. Large-scale damages can result for the working user device after operation with incorrect rotation direction, even if it is only for a short period. In the case of large, long conveyors a transverse vibration monitoring, which also has an incorrect rotation direction, is employed. A vibration device is built correctly if a maximum stiffness is achieved at low weight. Low weight and large levels of stiffness are not inconsistent requirements if the bracings are provided with suitable ribbed reinforcement.

Connection to 50 Hz power supply	Y-Motoren	X-Motoren	W-Motoren	V-Motoren
	2-polig	4-polig	6-polig	8-polig
	3.000min^-1	1.500min^-1	1.000min^-1	750min^-1
	50 Hz	25 Hz	16 2/3 z	12 ½ Hz
S_n max.	1,6 mm	6,0 mm	13,0 mm	20,0 mm
S_n min.	0,4 mm	1,5 mm	4,0 mm	8,0 mm

Connection to 60 Hz power supply	Y-Motoren	X-Motoren	W-Motoren	V-Motoren
	2-polig	4-polig	6-polig	8-polig
	3.600min^-1	1.800min^-1	1.200min^-1	900min^-1
	60 Hz	30 Hz	20 Hz	15 Hz
S_n max.	1,1 mm	4,4 mm	10,0 mm	12,5 mm
S_n min.	0,3 mm	1,2 mm	3,0 mm	5,5 mm