A metal deposition forming method and device based on ultra-high frequency induction heating
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A technology of induction heating and induction heating power supply, applied in the field of additive manufacturing, can solve the problems of low forming efficiency and high cost, and achieve the effects of low equipment cost, high heat energy conversion rate, and accurate fusion deposition forming.
Inactive Publication Date: 2021-02-09
CHINA UNIV OF PETROLEUM (EAST CHINA)
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[0005] The purpose of the present invention is to provide a metal deposition forming method based on ultra-high-frequency induction heating, which solves the cost of existing metal parts additive manufacturing equipment. High and low forming efficiency
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[0024] Attached below Figure 1-2 The present invention will be further described with specific embodiments.
[0025] The present invention provides a metal deposition forming method based on ultra-high frequency induction heating. Based on the principle of ultra-high frequency induction heating, an ultra-high frequency alternating magnetic field is generated near the induction coil 2 by using an ultra-high frequency induction heating power supply 1, and the metal The wire material 4 is fed into the center of the induction coil 2, and the metal wire material 4 generates an induced eddy current inside it under the action of an alternating magnetic field, and the metal wire material 4 is melted by the heat effect of the induced eddy current, and piled up layer by layer to form a metal deposition molded part 5;
[0026] Among them, the frequency of the ultra-high frequency induction heating power supply 1 is 500-1100kHz, the output current is 5-30A, the wire feeding speed of the ...
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Abstract
The invention discloses a metal deposition forming method based on ultra-high-frequency induction heating technology, which uses an ultra-high-frequency induction heating power supply to generate a high-frequency alternating magnetic field near an induction coil, and sends a metal wire into the center of the induction coil, and the metal wire Under the action of an alternating magnetic field, an induced eddy current is generated inside the material, and the metal wire is melted by the heat of the eddy current, and piled up layer by layer to form a metal deposition molding. The invention also discloses a metal deposition forming device based on ultra-high-frequency induction heating technology, including an ultra-high-frequency induction heating power supply, an induction coil, a wire feeding device, a wire material, a moving slider, a deposition forming part, a substrate, a moving Platform, guide rail, protective atmosphere box, protective gas cylinder, cooling machine, control system. By adopting the method and device of the present invention, metal parts with complex structures can be rapidly formed, the equipment has high thermal energy conversion rate and low cost, and can greatly reduce the cost of additive manufacturing technology, which is beneficial to the large-scale promotion of additive manufacturing technology in the industrial field .
Description
technical field [0001] The invention relates to the field of additive manufacturing, in particular to a metal deposition forming method and device for ultra-high frequency induction heating, which can be applied to three-dimensional forming of metal parts with complex shapes. [0002] technical background [0003] Additive manufacturing technology is a direct forming manufacturing technology that quickly restores digital three-dimensional models to physical parts by adding materials layer by layer. Compared with traditional parts manufacturing technology, additive manufacturing technology has simple process procedures and less raw material consumption. The advantage of being able to form metal parts with complex structures. As an emerging green manufacturing technology, additive manufacturing technology has become one of the research hotspots in the field of material preparation and forming. Additive manufacturing technology mainly uses high-energy beams as heat sources. The...
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