General :
Unbalance motors are asynchronous ac motors with pairs of centrifugal weights fitted to the ends of the motor shafts. The size of the unbalance and with it the amplitude of the oscillation by the working unit can be adjusted by shifting the centrifugal weights when the motor is at a standstill.
A stable, rigid motor shaft and roller bearings with a long service life allow the unbalance motors to be operated continuously even under difficult operating conditions.
The unbalance motors are supplied in 2,4,6 and 8 pole versions. This means the motor speed and therefore the oscillation frequency can be ideally selected to suit each particular application.
The unbalance motors are also available in a special version for mains voltages up to 690v and for a mains frequency ranging from 50 hz to 60 hz.
Technical data:
| centrifugal force range of the type series : | 0-10000 kg/motor. |
| operating voltages : | standard version 230/400 v, 50 hz, others on request. |
| ambient temperature : | -25° c to +50° c, different temperature ranges on request. |
| insulation class : | f |
| operation: | continuous service at the maximum indicated centrifugal force and electric power rating. |
| fixing : | the electric vibrators can be fixed in all
positions with no limitations.
|
| terminal box: | sized to make the electrical connections easier. |
| bearings: | the lower and upper bearings have been designed to support the relative load. |
| drive shaft: | oversized, made of treated steel and able to withstand high stress. |
All dimentios are in mm:
| model | power input
kw
| a | b | mounting hole
dia. X nos. Of holes. | max. Centrif. Force
(newton’s. )
|
| jk-fvb-01 | 0. 20 | 80 | 83 | 12. 5 mm x 4 nos. | 3500 |
| jk-fvb-02 | 0. 40 | 120 | 85 | 15 mm x 4 nos | 7500 |
| jk-fvb-03 | 0. 75 | 130 | 100 | 15 mm x 4 nos | 14000 |
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