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  • Users: yurilevi
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  1. yurilevi

    Question about motor vibrations

    Hello, There is interesting vibration phenomena during operation of the elctric motor of one of ours machines. During the first ~4 hours of operation the radial vibrations of the motor are increasing. At some point the vibrations are getting too high and we are stop the machine for couple of...
  2. yurilevi

    Motor selection

    Hello, May be somebody who has experience can point me generally what type of motor I need for my application. There are the requirements: vertical mounting rotor speed: 5000[rpm] rotor mass: 600[kg] rotor moment of inertion: 60[kg*m^2] acceleration time: 10-15[min] The motor is for testing...
  3. yurilevi

    Fretting corrosion on plain bearing

    Hello, What is the recommended way to deal with fretting corrosion in plain bearing? Lubricant? Coating? The bearing and the housing are made of cast iron.

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