There are three common causes of caster shimmy — high speeds, loose swivels, and misalignment. ... If the swivel is not secure, the whole caster can wobble uncontrollably. Misalignment: Some casters flutter because they are not aligned well with the ground.
How do I stop casters from wobbling?
Caster flutter can be avoided by implementing the following:
- The use of a longer swivel lead will increase the natural frequency of the caster wheel. ...
- The natural frequency of the caster wheel can be increased by increasing the weight of the wheel as well. ...
- Usage of thick grease allows the oscillation to be contained.
How do you fix a caster flutter?
Correcting Caster Flutter
- Increasing swivel lead – A longer swivel lead will reduce the forces that push the caster sideways. ...
- Incorporating a Precise Bearing Swivel Section – Though a more costly option, casters with precision machined ball raceways flutter less than raceways manufactured through a stamping process.
