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Wire-feeding type electron beam material-increasing manufacturing equipment and operating method thereof

An additive manufacturing and electron beam technology, which is applied in the field of wire-feeding electron beam additive manufacturing equipment, can solve problems such as inability to realize online monitoring, and achieve the effects of eliminating manufacturing defects, improving manufacturing efficiency, and improving manufacturing accuracy

Inactive Publication Date: 2016-08-31
GUILIN THD TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved by the present invention is the problem that the existing wire-feeding electron beam additive manufacturing equipment cannot realize online monitoring, and a wire-feeding electron beam additive manufacturing equipment and its operation method are provided

Method used

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  • Wire-feeding type electron beam material-increasing manufacturing equipment and operating method thereof
  • Wire-feeding type electron beam material-increasing manufacturing equipment and operating method thereof

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Experimental program
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Embodiment Construction

[0025] A wire-feeding electron beam additive manufacturing equipment, such as figure 1 As shown, it is mainly composed of a central control unit 1, a power supply system, a wire feeding system, a cooling liquid circulation system, a vacuum system, a vacuum chamber 6, a moving device 7, an electron gun 8, a wiring trough 9 and a workbench 10. The central control unit 1, the power supply system, the outdoor part of the wire feeding system, the cooling liquid circulation system, and the vacuum pumping system are arranged outside the vacuum chamber 6, and the indoor part of the wire feeding system, the moving device 7, the electron gun 8, the wiring trough 9 and the working The stage 10 is provided inside the vacuum chamber 6 .

[0026] Central control unit 1: responsible for the control and monitoring of the entire equipment, including the setting of the parameters of the electron beam 83, the data processing of the three-dimensional CAD model of the workpiece 11 for layered slic...

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Abstract

The invention discloses wire-feeding type electron beam material-increasing manufacturing equipment and an operating method thereof. A deflecting and scanning device and a secondary electron receiving device are further mounted on an electronic gun. The deflecting and scanning device and the secondary electron receiving device are connected to a central control unit. When an electron beam sent out by the electronic gun processes a manufacturing layer of a fixed segment of a workpiece, an exciting current of the deflecting and scanning device is controlled by the central control unit, so that the electron beam of the electronic gun turns around to quickly scan the manufacturing layer of the fixed segment, the secondary electron receiving device transmits secondary electronic signals received in a back-scanning process to the central control unit, and the central control unit synchronously records the secondary electronic signal of each scanning point on the fixed segment; after scanning, the central control unit analyzes and processes the recorded secondary electronic signal data so as to determine whether the edge of the manufacturing layer of the fixed segment reaches an expected value or not and determine whether the manufacturing layer of the fixed segment has hole defects or not for the convenience of immediate repair.

Description

technical field [0001] The invention relates to the technical field of electron beam processing equipment, in particular to a wire-feeding electron beam additive manufacturing equipment and an operating method thereof. Background technique [0002] Wire-feed electron beam additive manufacturing equipment requires a vacuum environment for workpiece manufacturing. However, due to the working characteristics of the electron beam additive manufacturing equipment itself, there are inevitably interference factors such as high temperature, strong light, X-rays, metal powder pollution, and electromagnetic fields in the vacuum environment. Therefore, the existing wire-feeding electron beam additive manufacturing equipment still has the following two shortcomings to be overcome: [0003] ①Due to the different degrees of shrinkage of the workpiece under different materials and different sizes, and the vibration of the metal ribbon during the wire feeding process, the size of the workp...

Claims

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Application Information

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IPC IPC(8): B23K15/00B23K15/06
CPCB23K15/0026B23K15/0086B23K15/06
Inventor 韦寿祺朱国坤黄小东秦玉江张建飞黄兴泉覃胤鸿
Owner GUILIN THD TECH CO LTD
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