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Dynamic Water Cooling Assisted Electron Beam Fuse Deposition Microstructure Regulation Method

A technology of fuse deposition and electron beam, which is applied to the improvement of process efficiency, additive manufacturing, additive processing, etc., can solve the problems of electron beam fuse deposition that cannot deposit body tissue regulation, etc., to reduce heat accumulation and control performance Effect

Inactive Publication Date: 2021-04-30
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In order to solve the problem that the existing electron beam fuse deposition cannot regulate the internal structure of the deposited body, the present invention provides a dynamic water-cooled assisted electron beam fuse deposition structure control method

Method used

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  • Dynamic Water Cooling Assisted Electron Beam Fuse Deposition Microstructure Regulation Method

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specific Embodiment approach 1

[0014] Specific implementation mode one: combine figure 1 Describe this embodiment, which includes a dynamic water cooler 3, a water pump 7, a first connecting water pipe 8, a water tank 9, a second connecting water pipe 10, a third connecting water pipe 11, an overflow valve 12, a main water pipe 13, and a base plate 15 , several water distribution pipes 5 and several flow controllers 14, the interior of the dynamic water cooler 3 is provided with several water flow channels 4, the several water distribution pipes 5 correspond to the several water flow channels 4 one by one, the dynamic water cooler 3 and the main water pipe 13 Through several water distribution pipes 5 sealed connection, the flow controller 14 is sealed and installed on the water distribution pipe 5, each water distribution pipe 5 is provided with a flow controller 14, and the water pump 7 and the main water pipe 13 are sealed connected through the second connection water pipe 10, The water pump 7 is connect...

specific Embodiment approach 2

[0021] Specific implementation mode two: combination figure 1 Describe this implementation mode, this implementation mode is realized through the following steps:

[0022] Step 1, placing the thermocouple in the water tank 9;

[0023] Step 2: Use the electron beam 1 to deposit the electron beam fuse on the upper surface of the substrate 15, and adjust the water temperature inside the water tank 9 through thermocouple feedback during the deposition process. If the thermocouple detects that the water temperature inside the water tank 9 is lower than the preset water temperature by 1°C , the liquid inside the water tank 9 is heated by resistance heating; if the thermocouple detects that the water temperature inside the water tank 9 is higher than the preset water temperature by 1°C, the liquid inside the water tank 9 is cooled by a water cooler, and the liquid inside the water tank 9 is cooled by a flow controller 14 Adjust the internal water flow pressure of the water flow chan...

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Abstract

The dynamic water-cooling assisted electron beam fuse deposition structure control method solves the problem that the existing electron beam fuse deposition cannot control the internal structure of the deposited body. Device: There are several water flow channels inside the dynamic water cooler. The dynamic water cooler is connected to the main water pipe through the water distribution pipe. The flow controller is installed on the water distribution pipe. The water pump and the main water pipe are connected through the second connecting water pipe. The connecting water pipe is connected, the main water pipe and the water tank are connected through the third connecting water pipe, the overflow valve is sealed and installed on the third connecting water pipe, and the base plate is fixed on the dynamic water cooler. Method: 1. Place the thermocouple in the water tank; 2. Use the electron beam to deposit the electron beam fuse on the substrate. During the deposition process, the water temperature inside the water tank is adjusted through the thermocouple feedback, and the flow controller is used to adjust the temperature directly below the electron beam. The corresponding water flow pressure inside the water flow channel is to realize the regulation of the internal organization of the sediment body. The invention is used for electron beam fuse deposition additive manufacturing.

Description

technical field [0001] The invention relates to an electron beam fuse deposition processing technology, in particular to a dynamic water cooling assisted electron beam fuse deposition tissue control method. Background technique [0002] In the field of additive manufacturing, electron beam fuse deposition additive manufacturing technology has a wide range of applications. The principle of electron beam fuse deposition is that in a vacuum environment, the electron beam acts on the metal wire, and the wire is heated and melted to solidify to form a deposit. Since the entire deposition process is carried out in a vacuum environment, there are the following problems: First, There is no convective heat transfer in the vacuum environment, and the heat dissipation conditions are poor, which is easy to generate more heat accumulation; second, the heat dissipation can only be dissipated through the workbench during the deposition process, which is passive heat dissipation, and the he...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B22F10/368B22F10/38B22F3/105B33Y40/00
CPCB33Y40/00B22F10/00B22F10/32Y02P10/25B22F10/30
Inventor 陈国庆树西柳俊鹏张戈张秉刚冯吉才
Owner HARBIN INST OF TECH