Balancing Rotating Parts. A New Method and Device

Drăgoi, Mircea Viorel; Nasulea, Marius Daniel; Matejić, Miloš; Oancea, Gheorghe

doi:10.1007/978-3-030-88465-9_15

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Reducing the Vibrations Of Mechanical Origin1

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2023

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“…The strengthening of the end shield's wall by means of strengthening internal ribs also contributes to the reducing of the vibrations. A device and method to balance rotating parts is presented in literature [15].…”

Section: Reducing the Vibrations Of Mechanical Originmentioning

confidence: 99%

A study on the vibrations of the induction motors having squirrel cage rotor

Peter¹,

Borsos²

2023

Engineering Today

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In the present paper are examined the vibrations of the induction motors having squirrel cage rotor. The study is performed by means of spectrograms presenting the vibration speed depending on the frequency, drawn up for motors produced by S.C.Electroprecizia Electrical Motors Sacele and on the base of the study of the specialty literature. There have been studied the motors of 3000, 1500,1000 RPM up to 7,5 kW and are proposed measures to reduce their vibration level. Among the possible solutions proposed are using of a waved spring washer between the end shield and the bearing's external ring, the inclination in V or zigzag of the cage's bars at a half of the rotor pitch and reducing the stator field harmonics.

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Section: Reducing the Vibrations Of Mechanical Originmentioning

confidence: 99%