The Nil-Union elastic couplings Models S and LS differ in the length of the crown. They are especially suitable for use between any receiving machine and an electric motor with alignment problems. Shaft misalignment is considered the second most common source of vibration after unbalance.
The LS model has a longer crown than the S model. The coupling pinion can be mounted up to the top of the shaft.
Applicable to torque limiters, clutches, brakes and everything that requires assembly of two aligned shafts.
These deviations can be presented in three different ways:
Parallel or radial misalignment: occurs when the center lines of the shafts are parallel apart.
Angular or axial misalignment: this deviation is observed by the angle formed between the center lines in a plane in space.
Combined misalignment: This is the most common of situations, and it occurs exactly when there are parallel and angular deviations in the same set of center lines.
Great absorption of vibrations.
Resistant and silent.
They do not require maintenance.
The Nil-Union Elastic Couplings Models S and LS can be used for different types of machinery, such as: