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About calculating a set of hydraulic pump and motor

  1. Sep 23, 2009 #1
    I am doing a project of hydraulic vehicle. My professor ask our team to install a hydrualic pump and motor in the vehicle. We are considering to purchase a set of hydraulic pump and motor, and we have the following requirements:

    1. We have an existing electric motor of 22kW, 60Nm (continous) and 3500rpm (continous)
    2. For the hydraulic motor, we would like to achieve:
      high torque (300Nm) --> low speed (at least 300-500rpm, can be higher)
      low torque (50Nm) --> high speed (at least 500-1000rpm, can be higher)
      In both cases, the speed (rpm) should be as high as possible.

    Does anyone know how to do the calculation? :confused: So that we can select a suitable pump and motor combination for our design. :rofl:

    I really don't know how to do it, please kindly help me!! :cry:

    Thank you very much!!!
  2. jcsd
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