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Disc rotary type multi-channel electron beam rapid forming method

A multi-channel, electron beam technology, applied in the field of additive manufacturing, can solve problems such as powerlessness, and achieve the effect of reducing deflection angle, improving forming accuracy and forming quality, and ensuring beam quality

Active Publication Date: 2019-07-05
NORTHWEST INSTITUTE FOR NON-FERROUS METAL RESEARCH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The current electron beam rapid prototyping technology can only realize the preparation of a single metal material sample or part at the same time, but it is helpless for the simultaneous sintering preparation of multiple metal material samples or parts

Method used

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  • Disc rotary type multi-channel electron beam rapid forming method
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  • Disc rotary type multi-channel electron beam rapid forming method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] The manufacturing method of the present embodiment comprises the following steps:

[0040] Step 1. On the 4 forming areas 6 of the disc table 3-2 of the disc rotary multi-channel electron beam rapid prototyping equipment, respectively place 4 titanium part models correspondingly, each with a size of 10mm × 10mm × 10mm (length × width × height), and then use the layered software Build Assembler to slice the four titanium part models and import the obtained slice data into the computer 13 of the control system of the disc-rotating multi-channel electron beam rapid prototyping equipment; The four forming areas 6 are arranged at equal intervals of 50mm along the radial direction of the disc table 3-2; the slice thicknesses of the four titanium part models obtained by slicing are all 200 μm;

[0041] Step 2: Establish a polar coordinate system on the surface of the disk workbench 3-2 through the computer 13, take the center of the disk workbench 3-2 as the polar coordinate o...

Embodiment 2

[0048] The manufacturing method of the present embodiment comprises the following steps:

[0049] Step 1. Place one Ti part model, one Cu part model, and one Ni part on the four forming areas 6 of the disc table 3-2 of the disc rotary multi-channel electron beam rapid prototyping equipment. model, one Sn part model, the size is 10mm×10mm×10mm (length×width×height), and then use the layering software Build Assembler to slice the above four part models and import the sliced ​​data into the disc In the computer 13 in the control system of the rotary multi-channel electron beam rapid prototyping equipment; the 4 forming areas 6 are arranged at equal intervals of 50mm along the radial direction of the disc table 3-2; the 4 part models are sliced The slice thickness obtained by processing corresponds to 30 μm, 70 μm, 150 μm and 200 μm respectively;

[0050] Step 2: Establish a polar coordinate system on the surface of the disk workbench 3-2 through the computer 13, take the center ...

Embodiment 3

[0057] The manufacturing method of the present embodiment comprises the following steps:

[0058] Step 1. Place one Ti part model, one Cu part model, and one Fe part on the four forming areas 6 of the disc table 3-2 of the disc rotary multi-channel electron beam rapid prototyping equipment. model and one Sn part model, the size of which is 10mm×10mm×10mm (length×width×height), and then use the layering software Build Assembler to slice the above four part models and import the sliced ​​data into the disc In the computer 13 in the control system of the rotary multi-channel electron beam rapid prototyping equipment; the 4 forming areas 6 are arranged at equal intervals of 50mm along the radial direction of the disc table 3-2; the 4 part models are sliced The slice thickness obtained by processing corresponds to 30 μm, 70 μm, 180 μm and 200 μm respectively;

[0059] Step 2: Establish a polar coordinate system on the surface of the disk workbench 3-2 through the computer 13, take...

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Abstract

The invention discloses a disc rotary type multi-channel electron beam rapid forming method. The method comprises the steps that firstly, three-dimensional part models are placed on a forming zone forslicing; secondly, a polar coordinate system is established, and position information of the three-dimensional part models is determined; thirdly, scanning track points of the three-dimensional partmodels are obtained through calculation; fourthly, powder paving and forming zone positioning are carried out; fifthly, single-layer solid sheet layers are obtained through powder scanning melting; sixthly, the forming zone is reset; and seventhly, a forming base plate is lowered, the processes in the step four to the step sixth are repeatedly executed, and the single-layer solid sheet layers on the forming base plate are stacked layer by layer to obtain a three-dimensional part. By means of the disc rotary type multi-channel electron beam rapid forming method, the polar coordinate system is established on a disc working table of disc rotary type multi-channel electron beam rapid forming equipment to accurately determine the position information of the two or more three-dimensional part models on the disc working table, then scanning melting is carried out, rapid forming of the three-dimensional parts in different materials is realized, and the part forming precision is improved.

Description

technical field [0001] The invention belongs to the technical field of additive manufacturing, and in particular relates to a disk rotating multi-channel electron beam rapid prototyping manufacturing method. Background technique [0002] Electron beam selective melting technology (Electron Beam Selective Melting, EBSM) and selective laser sintering technology (Selective Laser Sintering, SLS) are two kinds of additive manufacturing technologies widely used at present. Hardware control technology can directly convert 3D CAD models into entities. Theoretically, any heat-bonded powder can be used as a raw material for additive manufacturing, such as polymers, ceramics, metal powders, and various composite powder materials. Electron beam selective melting rapid prototyping technology is that the electron beam scans line by line according to the pre-planned path driven by the deflection yoke, melts the laid metal powder, accumulates layer by layer, and manufactures the required m...

Claims

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Application Information

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IPC IPC(8): B22F3/105B33Y10/00
CPCB33Y10/00B22F10/00B22F10/73B22F10/28B22F10/362B22F12/222B22F12/37B22F10/80Y02P10/25
Inventor 贾亮王建刘楠杨坤杨广宇石英刘海彦
Owner NORTHWEST INSTITUTE FOR NON-FERROUS METAL RESEARCH
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