Recently, Hengerda has been once again granted an invention patent right upon a rigorous review process conducted by the China National Intellectual Property Administration in accordance with the Patent Law of the People's Republic of China: “An Arm-Type Five-Axis Swing Arm Rotary Device with Harmonic Drive”.

The present invention pertains to the field of mechanical rotary table technology, which can reduce the size and cost of machine tools, significantly reducing the installation space; Installing a tool setting probe at a reasonable location can effectively improve tool setting accuracy; The setting of the swing arm shaft bearing has the function of balancing torque, effectively eliminating excess vibration during rotation, and improving the stability and accuracy of machine tool operation.