NSTB+ is TurboMAX's special air foil bearing that is enhanced durability and stability by structurally upgrading NSTB. NSTB+ consists of 2~4 top foils. Each top foil has an optimum curvature, and it fits to the shaft without deviation. The multi-composed top foils have much superior load-bearing capacity than general air bearings that support the shaft with one foil because the weight applied to each top foil is distributed evenly.
During a surge, air repeats discharge and suction, and the shaft repeats forward and backward rotation slightly. Also. due to the characteristics of PMSM, it makes a minute reverse rotation to find the polarity during initial startup.
Revers rotation causes stress on the bearing, but NSTB+ has no problem due to the bi-directional bearing technology. With NSTB+, which can rotate forward and backward, has been improved, has a great influence on the lifespan of Air foil Bearing.
TurboMAX's air bearings that are constantly innovating and developing. TurboMAX offers you the best solution of Air foil Bearing turbo blower with remarkable technology.