Development of 20 kN·m high precision hydraulic torque wrench measuring device
A set of 20 kN·m Hydraulic torque wrench vertical type with high accuracy developed details concerning the working structure and principle,the system of data acquisition and control.The oil slick from hydrostatic bearing were used firstly to bear the weight of pressure for eliminate the radial force out-put on Hydraulic torque wrench.it has high accuracy and well stability.
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