Constant velocity joints vs. universal joint.

  1. i have to design an actuation system which will change the angle with which the power is transmitted through a motor,the range of angle is about,--35 to +35,w.r.t to the vertical,what should i use,a u joint or a velocity joint?there is a predefined load on the shaft(bending + torsional),what should i use?
    i have on other option to use a hub motor to deliver power,that will eliminate most of the complexities,but i am not sure whether a hub motor is capable of withstanding minor shocks,and bending stresses.
     
  2. jcsd
  3. sophiecentaur

    sophiecentaur 13,536
    Science Advisor
    Gold Member

    I am not a Mechanical Engineer but I think you would need to specify a few values before you can expect an answer. So far the answer must be "It depends", I think.
     
  4. SteamKing

    SteamKing 8,783
    Staff Emeritus
    Science Advisor
    Homework Helper

    The range of motion for your application is pretty large. Universal joints are best used when the range of motion is only a few degrees; with larger angles, they can freeze up and they will experience higher wear and shorter life than a comparable CV joint.
     
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