Additive manufacturing device and method for plasma arc gradient material of bypass hot wire consumable electrode

A plasma arc and gradient material technology, which is applied in the field of additive manufacturing devices and ion arc gradient material additive manufacturing devices, can solve the problems of difficult control of material mechanical properties and molding accuracy, and inability to achieve continuous adjustment of components, so as to improve the The effect of additive deposition efficiency, energy utilization improvement, and stability enhancement

Active Publication Date: 2020-05-19
HARBIN ENG UNIV
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Problems solved by technology

[0005] The purpose of the present invention is to solve the problem that the excessive heat input in the additive manufacturing process of the melting electrode plasma arc welding makes it difficult to control the mechanical properties and forming accuracy of the material, and the compos

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  • Additive manufacturing device and method for plasma arc gradient material of bypass hot wire consumable electrode
  • Additive manufacturing device and method for plasma arc gradient material of bypass hot wire consumable electrode

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Embodiment Construction

[0029] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0030] The invention relates to a device and method for additive manufacturing of a plasma arc gradient material with a bypass hot wire melting electrode, which is mainly composed of MIG welding and wire feeder connected to a power supply, a bypass hot wire melting electrode plasma arc welding torch, an IGBT shunt controller, and a guide Wire nozzle, auxiliary wire feeding machine, current sensor and its control system. The negative pole of the MIG welding power supply is connected to the annular plasma electrode, the positive pole is connected to the workpiece, the IGBT shunt module is connected to the positive pole of the MIG welding power supply through the welding wire, the current sensor is connected to the IGBT shunt module and the workpiece, and the auxiliary wire feeder is used to convey and bypass heat. The heterogeneous fill...

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Abstract

The invention provides an additive manufacturing device and method for a plasma arc gradient material of a bypass hot wire consumable electrode. The device consists of an MIG welding power supply, a bypass hot wire consumable electrode plasma arc welding gun, an IGBT shunt controller, a workpiece, a current sensor and a current controller, wherein the MIG welding power supply, the bypass hot wireconsumable electrode plasma arc welding gun, the workpiece and the current sensor define a closed circuit; the MIG welding power supply, the bypass hot wire consumable electrode plasma arc welding gun, the workpiece, the IGBT shunt controller and the current controller define a closed circuit. The additive manufacturing device efficiently improves conventional electric arc welding basically, is controllable in heat input, is high in welding electric arc restraint intensity, and has the characteristics of low cost, high efficiency, high stability and the like of electric arc additive manufacturing.

Description

technical field [0001] The invention relates to a device and method for additive manufacturing, in particular to a device and method for additive manufacturing of plasma arc gradient materials bypassing hot wire melting electrodes, and belongs to the technical field of high-efficiency arc additive manufacturing. Background technique [0002] Gradient material refers to a new type of material composed of one or several components with different components. Its single or comprehensive structure, physical parameters, and physical, chemical, and biological properties are continuously changed to adapt to different environmental needs. implement a specific function. There are many traditional manufacturing methods for gradient materials, such as vapor deposition, particle alignment, and electrodeposition. However, because traditional gradient materials can only obtain blanks such as thin films or blocks, and cannot achieve near-net shape, with the progress and development of addi...

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Application Information

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IPC IPC(8): B23K28/02B33Y10/00B33Y30/00
CPCB23K28/02B33Y10/00B33Y30/00
Inventor 苗玉刚李春旺尹晨豪魏超邹俊攀郭俊良刘吉林志成
Owner HARBIN ENG UNIV
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