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Installation and Loading
Duff-Norton electromechanical actuators can be used in tension, compression, or combination tension/compression applications. Examples of tension and compression are shown on right.
It is important to mount the actuator so that side loading and eccentric loading are avoided. To optimize the performance and life of the actuator, it should be mounted so that the load is applied along the longitudinal axis of the translating tube. Examples of proper and improper loading arrangements are shown below.
Once the optimal mounting arrangement has been determined, Duff-Norton electromechanical actuators are mounted by simply slipping a solid pin through the translating tube clevis and rear housing clevis. The pins must be parallel to each other in order to avoid binding. The actuator restraining brackets and related hardware must be able to withstand the torque generated by the actuator as it extends and retracts. Restraining torque varies with actuator family.