Electromagnetic ultrasonic method and system suitable for melting metal humping inhibition in additive manufacturing process

An additive manufacturing and electromagnetic ultrasonic technology, applied in the field of additive manufacturing, can solve problems such as the hump of molten metal, and achieve the effects of accelerating heat dissipation, smoothing and uniform surface, and refining grains

Active Publication Date: 2019-10-25
HUAZHONG UNIV OF SCI & TECH
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Problems solved by technology

[0004] In view of the above defects or improvement needs of the prior art, the present invention provides an electromagnetic ultrasonic method and system for suppressing molten metal humps in the additive manufacturing process, thereby solving the technical problem of molten metal humps in the existing additive manufacturing process

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  • Electromagnetic ultrasonic method and system suitable for melting metal humping inhibition in additive manufacturing process
  • Electromagnetic ultrasonic method and system suitable for melting metal humping inhibition in additive manufacturing process
  • Electromagnetic ultrasonic method and system suitable for melting metal humping inhibition in additive manufacturing process

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Embodiment Construction

[0025] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention. In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not constitute a conflict with each other.

[0026] Electromagnetic ultrasonic (Electromagnetic Acoustic Transducer, EMAT) technology is different from the traditional ultrasonic technology. It uses the vibration of the internal particles of the test piece to realize the emission of ultrasonic waves without direct contact with the surface of the test piece. It can be generated in real time during the additive manufacturing process. Ultraso...

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Abstract

The invention discloses an electromagnetic ultrasonic method and system suitable for melting metal humping inhibition in an additive manufacturing process, and belongs to the field of additive manufacturing. The method is suitable for wire feeding and powder feeding additive manufacturing and comprises the following steps of preparation before manufacturing, processing equipment adjusting, machinetool starting, synchronous high-power pulse loading and test piece forming, wherein a wire material or metal power is arranged, and the position of a welding gun or a powder feeding nozzle and a pulse source emitting probe is adjusted in the processing equipment adjusting step; and upper computer operating software, a main control system, a high-power pulse generating module and a pulse source emitting probe of an electromagnetic ultrasonic generating system enable molten metal to generate ultrasonic vibration in the synchronous high-power pulse loading step. The pulse source emitting probe follows up the welding gun or the powder feeding nozzle of the additive manufacturing machine tool, so that real-time irradiation on a molten pool is realized. According to the method, the ability forinhibiting humping of the additive manufacturing is obtained, the surface quality of the additive manufacturing test piece is improved, and convenience is provided for subsequent processing procedures.

Description

technical field [0001] The invention belongs to the field of additive manufacturing, and more specifically relates to an electromagnetic ultrasonic method and system for suppressing humps of molten metal in additive manufacturing. Background technique [0002] Additive Manufacturing (AM) technology, which combines computer-aided design, material processing and forming technology, is based on the principle of layered manufacturing, and adopts the method of layer-by-layer accumulation of materials to directly implement the digital model into a new type of physical parts. Manufacturing Technology. Different from the traditional processing mode of removing and assembling raw materials, additive manufacturing is a "bottom-up" manufacturing method that realizes structural parts from scratch. This makes it possible to manufacture complex structural parts that were not possible in the past due to the constraints of traditional manufacturing methods. [0003] The additive manufactu...

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Application Information

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IPC IPC(8): B23K5/20B23K5/22B22F3/105B33Y10/00B33Y40/00
CPCB23K5/20B23K5/22B33Y10/00B33Y40/00B22F10/00B22F12/43B22F10/22Y02P10/25
Inventor 来五星陈鹏辉张文杰史铁林
Owner HUAZHONG UNIV OF SCI & TECH
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