Procedures for calculating shoulder-fillet stresses should take multiaxial stresses into account, even if loading is uniaxial. The pneumatic VRX rotary-vane actuators from Tolomatic Inc., Hamel, Minn.

Rotary actuators produce oscillating power by rotating an output shaft through a fixed arc. They are compact, simple, and efficient. They produce high instantaneous torque in either direction and ...

Rotork Process Controls introduced the SM-6000 S2, an electric rotary actuator for a wide range of heavy-duty damper drive applications found in power plants. The actuator provides high speeds and ...