The traditional current collector is at the non-load end of the motor shaft, and only depends on the single end bearing of the motor to form a cantilever structure.The unbalanced torque during starting and running of the motor is likely to cause radial vibration of the collector equipment, which may cause uneven brush wear and shorten the service life of the brush; in the worst case, the collector ring and the brush will ignite due to poor contact. , Ablate the surface of the collector ring, and even damage the coupling of the collector assembly.In the case of normal condition sensor equipment, the selected coupling is a rigid connection, which makes a big sensation.

　　Because the torque sensor is attributed to the power equipment, especially the dynamic torque sensor connected to the motor, the measurement of large torque force needs to be used cautiously, the load equipment and the coupling, the connection between the coupling and the sensor, and the coupling and The connection between power equipment must not be ignored.Before installing the coupling, check whether the prime mover and the working machine are concentric, whether there are wrapping paper and scratches on the surfaces of the two shafts, whether there is debris in the inner holes of the two half couplings, and whether the edges of the inner holes If there are bruises, the shaft and half coupling should be cleaned up, and the bruises should be treated with a fine file.

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