Pin-disc type friction and wear testing machine

The invention provides a pin-disc type friction and wear testing machine which comprises a frame, a driving mechanism, a test piece bracket, a friction component, an alignment component, a pressing mechanism, a sensor component and a controller. The sensor component comprises a torque sensor and a pressure sensor. The torque sensor is arranged between a test piece chassis and the driving mechanism. The driving mechanism is used for driving the test piece chassis to rotate. The pressure sensor is arranged between the alignment component and an upper test piece. The torque sensor and the pressure sensor are connected with the controller respectively. According to the pin-disc type friction and wear testing machine, the alignment component moves in a chute on the test piece bracket to adjustthe position and radius of friction; the pressing mechanism presses the alignment component, so that the upper test piece and a lower test piece are in close contact; friction torque is measured by the torque sensor; loaded p