Chapter 9 Design of Hydraulic Transmission systems 2.Determination of main parameters The working pressure for actuators can be selected according to the largest load in the load chart(see Tab.9-1)or the mainframe type(see Tab.9-2).However the largest flow rate must be calculated by the highest speed shown in the speed chart. The lowest working speed vinor i(n=2min/60) must satisfy the following requirements: For cylinders ∠Vmin For motors qmin≤0min M 10 Homepage List Upwards Downwards Retumn Exit Chapter 9 Design of Hydraulic Transmission systems 10 2. Determination of main parameters The working pressure for actuators can be selected according to the largest load in the load chart (see Tab.9-1) or the mainframe type (see Tab.9-2). However the largest flow rate must be calculated by the highest speed shown in the speed chart. The lowest working speed must satisfy the following requirements: min min q v A ≤ min min M q V For cylinders For motors ≤ min min min min v n or ( 2   = π / 60)