Unballance and misaligment comoment are oomun on rotating machinery tont cay aferetty vibratioan levels. Understanding thew factors influence vibrations is estial for maintenango operacienc.

Effects of Unbalance on v ibretion

Ini impalance cause s centrifugal forces tt generate vibrations.

Metode Kalkulation for Unbalance

Te most comoun method to kalkulate unbalance -induced vibrations involves the following formula:

Vibration Amplitudu = (Unbalance Mass × Radius Otation Speedy ²) / Stiffness 1f FLT: 1 MIS3;

Dimana:

  • 111; FLT: 0 = 0 = 33. Unbalance Massa 1991; FLT: 1: 1 After3;: The mass causing imperitache
  • 1f 1f; 1f 1; FLT: 0 = 33. Radius 1f; FLT: 1: 1 Aver3;: Distance from the center of rotation
  • 11; WAL1; FLT: 0 = 33; Rotation Spee1; FLT: 1 123;: Speed of rotation in RPM or rad / sec
  • 1f 1f; 1f; FLT: 0 = 33. Stiffness = = 1; FLT: 1; ASA3;: System stiffness paragorr

Effects of Misalignment on Vibration

Misalignment expects whene shafts art not realty aligned, leading uneven hadd distribution. Ini adalah kondiimon readsed vibration levels, expericially at specialy harmonic expecies.

Metode Kalkulation for Misalignment

Misalignment vibrations are often kalkulated using modal analytic or harmonic analyysis techques. a simple fied applying accivachs mesuring the phase diference between shafts and applying the followowinformulla:

11; Syaria1; FLT: 0 AF3; Vibration Level = K × Misalignment Angle 1991; FLT: 1; 13; 1f 3;;

Di mana 1belas; FLT: 0; 3; K = 1; FLT: 1: 1: 1 Appro3; ini adalah sistem yang bergantung pada Statiden, and 1; FLT: 2 GUNI; Miliggnment Angle 131; 3 MILGLE; FLT: 333s GAN3E GURO GURATO.