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Polishing liquid for metal 3D printing workpiece and preparation method of polishing liquid

A technology of 3D printing and polishing fluid, which is applied in the field of 3D printing, can solve the problems of difficult surface treatment, etc., and achieve the effect of low cost, good smoothing effect and bright effect, and low roughness

Active Publication Date: 2017-11-21
苏州三峰激光科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a polishing solution for metal 3D printing workpieces, which solves the problem of difficult surface treatment of complex structural parts with internal flow channels in the 3D printing process
[0005] Another object of the present invention is to provide a method for preparing a polishing liquid for metal 3D printing workpieces, which solves the problem of difficult surface treatment of complex structural parts with internal channels during 3D printing

Method used

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  • Polishing liquid for metal 3D printing workpiece and preparation method of polishing liquid
  • Polishing liquid for metal 3D printing workpiece and preparation method of polishing liquid
  • Polishing liquid for metal 3D printing workpiece and preparation method of polishing liquid

Examples

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Embodiment 1

[0064] A kind of polishing solution for metal 3D printing workpiece provided by this embodiment, it comprises: H 3 PO 4 200mL / L, HCl80mL / L, HNO 3 50mL / L, hydrogen fluoride 150mL / L, sulfosalicylic acid 5g / L, hexamethylenetetramine 1g / L, FeC1 3 ·6H 2 O20g / L.

[0065] Its preparation method is as follows: measure 200mL / L phosphoric acid with a graduated cylinder; measure 80mL / L hydrochloric acid with a graduated cylinder, and slowly inject it into a beaker while stirring, and the process is operated in a fume hood; measure 50mL / L nitric acid with a graduated cylinder, and stir while stirring. Slowly pour into the beaker, the process is operated in a fume hood; measure 150mL / L hydrofluoric acid with a measuring cylinder, slowly pour into the beaker while stirring, and the process is operated in a fume hood; smash the solid block ferric chloride hexahydrate as much as possible , 4g at a time, slowly added to the beaker solution in 5 times and stirred evenly, put the beaker in...

Embodiment 2

[0067] A kind of polishing solution for metal 3D printing workpiece provided by this embodiment, it comprises: H 3 PO 4 600mL / L, HCl350mL / L, HNO 3 500mL / L, hydrogen fluoride 350mL / L, sulfosalicylic acid 20g / L, hexamethylenetetramine 5g / L, FeC1 3 ·6H 2 O 50g / L.

[0068] Its preparation method is as follows: measure 600mL / L phosphoric acid with a graduated cylinder; measure 350mL / L hydrochloric acid with a graduated cylinder, and slowly inject it into a beaker while stirring, and the process is operated in a fume hood; measure 500mL / L nitric acid with a graduated cylinder, and stir while stirring Slowly pour into the beaker, the process is operated in a fume hood; measure 350mL / L hydrofluoric acid with a graduated cylinder, slowly pour into the beaker while stirring, and the process is operated in a fume hood; smash the solid block ferric chloride hexahydrate as much as possible , 10g at a time, slowly add to the beaker solution in 5 times and stir the solution evenly, put...

Embodiment 3

[0070] A kind of polishing solution for metal 3D printing workpiece provided by this embodiment, it comprises: H 3 PO 4 300mL / L, HCl100mL / L, HNO 3 400mL / L, hydrogen fluoride 200mL / L, sulfosalicylic acid 15g / L, hexamethylenetetramine 4g / L, FeC1 3 ·6H 2 O 30g / L.

[0071] Its preparation method is as follows: measure 300mL / L phosphoric acid with a graduated cylinder; measure 100mL / L hydrochloric acid with a graduated cylinder, and slowly inject it into a beaker while stirring, and the process is operated in a fume hood; measure 400mL / L nitric acid with a graduated cylinder, and stir while stirring. Slowly pour into the beaker, the process is operated in a fume hood; measure 200mL / L hydrofluoric acid with a graduated cylinder, slowly pour into the beaker while stirring, and the process is operated in a fume hood; smash the solid block ferric chloride hexahydrate as much as possible , 10g at a time, slowly add to the beaker solution in 3 times and stir the solution evenly, pu...

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Abstract

The invention relates to the field of 3D printing, in particular to polishing liquid for a metal 3D printing workpiece and a preparation method of the polishing liquid. The polishing liquid comprises inorganic acid, organic acid, fluoride, a ferric chloride solution and an amine compound. The polishing liquid has the advantages that the substances above are coordinated to achieve a synergic effect, and the polishing liquid can be effectively applied to the surface post-processing process of the 3D printing workpiece; the polishing liquid can be used as the polishing liquid special for processing the surface smoothness of a complex inner channel, the polishing liquid is reasonable in component, convenient to prepare and low in cost, and the workpiece alloy complex inner channel surface processed by the polishing liquid is low in roughness and good in smoothness and has an extremely good smooth and polished effect.

Description

technical field [0001] The invention relates to the field of 3D printing, in particular to a polishing solution for metal 3D printing workpieces and a preparation method thereof. Background technique [0002] Metal 3D printing is one of the additive manufacturing technologies. It is mainly used for the production of key components with high melting point, complex components and small batches but high value-added. Compared with the subtractive manufacturing of traditional manufacturing technologies, it has shorter production cycle and lower weight , high efficiency in manufacturing complex components, and the design is no longer limited by processing capacity. It is known as the most iconic production technology of the third industrial revolution. [0003] Generally, the surface roughness of metal 3D printing workpieces is usually around Ra6-30μm, which often does not meet the needs of the actual application of the workpiece. At present, for the metal 3D printing industry, t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09G1/18
CPCC09G1/18
Inventor 吴鑫华梅俊发熊孝经
Owner 苏州三峰激光科技有限公司
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