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3D printing method of cobalt alloy

A 3D printing and cobalt alloy technology, applied in the field of 3D printing, can solve problems such as the inability to realize industrialized mass production, immature cobalt alloy equipment and components, etc., and achieve easy operation, improved surface corrosion resistance and wear resistance, and improved uniformity sexual effect

Active Publication Date: 2020-04-07
GEM CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the method of using 3D printing technology to manufacture cobalt alloy equipment and components in the existing technology is not mature enough to realize industrialized mass production

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] A kind of 3D printing method of cobalt alloy, it comprises the following steps:

[0037] Step 1, prepare cobalt alloy powder as the raw material for 3D printing; specifically: mix cobalt alloy powder and improved powder in a powder mixer evenly, perform high-energy ball milling on the evenly mixed powder, and finally screen out the powder with a particle size of 10 μm , to obtain cobalt alloy powder for 3D printing raw materials; the improved powder is TiB 2 , B 4 One of C and SiC; the rotational speed of the high energy ball mill is 500r / min.

[0038] Step 2, use 3D software to design the cobalt alloy equipment to be printed; specifically: first design the external dimensions of the cobalt alloy equipment to be printed, then design the thickness of the sprayed layer, and finally design the wall thickness deviation;

[0039] Step 3, laser 3D printing and molding to obtain a blank; the laser power of the laser 3D printing is 180W, the scanning speed is 1500mm / s, and th...

Embodiment 2

[0044] A kind of 3D printing method of cobalt alloy, it comprises the following steps:

[0045] Step 1, prepare cobalt alloy powder as the raw material for 3D printing; specifically: mix the cobalt alloy powder and the improved powder in a powder mixer evenly, perform high-energy ball milling on the evenly mixed powder, and finally screen out the powder with a particle size of 25 μm , to obtain cobalt alloy powder for 3D printing raw materials; the improved powder is TiB 2 , B 4 One of C and SiC; the rotational speed of the high energy ball mill is 1000r / min.

[0046] Step 2, use 3D software to design the cobalt alloy equipment to be printed; specifically: first design the external dimensions of the cobalt alloy equipment to be printed, then design the thickness of the sprayed layer, and finally design the wall thickness deviation;

[0047] Step 3, laser 3D printing and molding to obtain a blank; the laser power of the laser 3D printing is 280W, the scanning speed is 2000mm / ...

Embodiment 3

[0052] A kind of 3D printing method of cobalt alloy, it comprises the following steps:

[0053] Step 1, prepare cobalt alloy powder as the raw material for 3D printing; specifically: mix the cobalt alloy powder and the improved powder in a powder mixer evenly, perform high-energy ball milling on the evenly mixed powder, and finally screen out the powder with a particle size of 15 μm , to obtain cobalt alloy powder for 3D printing raw materials; the improved powder is TiB 2 , B 4 One of C and SiC; the rotational speed of the high energy ball mill is 750r / min.

[0054] Step 2, use 3D software to design the cobalt alloy equipment to be printed; specifically: first design the external dimensions of the cobalt alloy equipment to be printed, then design the thickness of the sprayed layer, and finally design the wall thickness deviation;

[0055] Step 3, laser 3D printing and molding to obtain a blank; the laser power of the laser 3D printing is 230W, the scanning speed is 1800mm / s...

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Abstract

The invention discloses a 3D printing method of cobalt alloy. The 3D printing method includes the following steps of firstly, preparing cobalt alloy powder as a raw material for 3D printing; secondly,designing a to-be-printed cobalt alloy device through three-dimensional software; thirdly, performing laser 3D printing forming to prepare a blank; fourthly, performing annealing heat treatment on the blank prepared in the third step to prepare a semi-finished product; fifthly, performing fine machining on the semi-finished product prepared in the fourth step; and sixthly, performing surface treatment and nondestructive testing on the semi-finished product obtained through fine machining in the fifth step to obtain the cobalt alloy. The 3D printing method is simple in step, easy to operate and suitable for industrial large-scale production and application; in the early stage of the operation steps, the uniformity of cobalt alloy crystalline grains is improved; and in the later period, theproduct is stable in structure, and the surface corrosion resistance and wear resistance are improved.

Description

technical field [0001] The invention belongs to the technical field of 3D printing methods, and in particular relates to a 3D printing method of cobalt alloys. Background technique [0002] In recent years, 3D printing technology has received widespread attention as an emerging molding technology; 3D printing technology is laser additive manufacturing technology, which realizes layer-by-layer accumulation through laser cladding, and uses digital control of the accumulation path to directly further manufacture Technology for producing complex components. Compared with traditional material removal manufacturing, forging, casting and other technologies, it has the following advantages: high utilization rate of raw materials; saving mold cost; short design and manufacturing cycle; no or only a small amount of follow-up processing; complex components. At present, the method of using 3D printing technology to manufacture cobalt alloy equipment and components in the prior art is ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22F3/105B22F1/00B22F3/24B33Y10/00B33Y70/10B22F1/12
CPCB22F3/24B33Y10/00B33Y70/00B22F2003/248B22F2998/10B22F10/00B22F10/66B22F10/34B22F10/28B22F10/64B22F10/32B22F1/12B22F1/0003B22F2009/043B22F10/20Y02P10/25
Inventor 许开华
Owner GEM CO LTD
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