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  1. mayjark

    Actuator with coupled gearbox

    Is it correct to consider the thrust load and torque in sizing the gearbox? If it is correct, in sizing the coupled actuator should I only consider the torque and neglect the thrust load ? Thank you in advance.
  2. mayjark

    Lifting speed computation

    So Sir 3DDave the correct formula is Lifting speed = actuatorRPM / (gear ratio * TPI)?
  3. mayjark

    Lifting speed computation

    Hi, I just want to ask if my computation is correct for this situation. I have an Actuator coupled with a gearbox and lifting a gate vertically using screw thread (ACME). Gate height - 2.5 meters SCREW THREAD - 3 TPI (ACME), 38mm dia. Gearbox ratio - 4:1 Gearbox torque capacity - 600 ft lbs...

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