| 摘要 |
Arrangement for coating a surface with particles, comprising a spindle shaft ( 4 ) driven by an electric motor and provided with a means ( 8 ) which delivers the particles during rotation of the spindle shaft ( 4 ). The arrangement is characterized by that the motor control ( 34 ) integrated into the painting spindle ( 2 ) contains a unit which can detect the frequency superposed in the power supply, which constitutes a multiple of the desired feed frequency to the electric motor, in order to obtain the desired speed.
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