A composite manufacturing device and method of spherical ultrasonic head rolling addition and subtraction materials

Abstract

The invention relates to a spherical ultrasonic head rolling additive and subtractive material composite manufacturing device and method, belonging to the technical field of additive manufacturing. The forming chamber is located in the frame and fixed on the bottom plate, the longitudinal moving ultrasonic additive manufacturing system is located above the forming chamber and slides in the transverse plane moving system, the laser cutting system is fixed on the longitudinal moving ultrasonic additive manufacturing system, and the transverse plane moving system slides on the top slides in the rails, and the foil supply system slides in the middle slide rails. The invention does not require high-power input, and uses ultrasonic vibration to convert friction energy to realize the bonding between metal atoms. Through continuous rolling and additive manufacturing of spherical ultrasonic head points, lines, and surfaces, additive manufacturing of complex contours and high-precision parts can be realized. , Laser cutting ensures the accuracy of the part outline, the movement mechanism adopts the slider groove fit, and the surface contact improves the movement accuracy. There is no need for gas protection during the additive manufacturing process, and there is no excess powder output.

Description

technical field [0001] The invention belongs to the technical field of additive manufacturing, and particularly relates to a device and method for composite manufacturing of additive and subtractive materials by rolling with a spherical ultrasonic head. Under static pressure, the vibration energy of the spherical head is converted into frictional energy, deformation and Limited heating up, and the continuous rolling additive manufacturing from point to line and then to surface can be realized by rolling the spherical head on the surface of the metal foil, which is suitable for the additive manufacturing of metal parts with large changes in appearance geometric contour and more details . Background technique [0002] Ultrasonic Additive Manufacturing (UAM) uses transducers to convert electrical energy into ultrasonic vibrations, amplifies the ultrasonic vibrations through the horn and transmits them to the ultrasonic head, and the ultrasonic head contacts the workpiece to tra...

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Problems solved by technology

[0005] The present invention provides a composite manufacturing device and method for spherical ultrasonic head rolling addition and subtraction materials to solve the problem that the contact area between the flat head and the forming layer is too large and the contact line between the cylindrical rolling head and the forming layer is too large in the direct forming process of the existing metal foil. The problem of invalid forming area and complex contour forming and poor precision caused by long length, and solves the problem of large horizontal space occupancy rate of transducer and horn in the process of cylindrical rolling additive manufacturing

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