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Degreasing method of metal plate surface

A metal plate, electrochemical technology, applied in the field of degreasing the surface of the metal plate, can solve the problems affecting the surface treatment work, the deposition of the degreasing solution, the accumulation of water, etc. simple craftsmanship

Active Publication Date: 2016-05-25
PANZHIHUA IRON & STEEL RES INST OF PANGANG GROUP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] Moreover, due to the irregular surface of the metal plate, traditional degreasing methods, such as spray degreasing or soaking degreasing, will cause "water accumulation" or "fluid accumulation" in other parts, resulting in the deposition of degreasing liquid, which will affect the subsequent various surface treatments. Work

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  • Degreasing method of metal plate surface

Examples

Experimental program
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Effect test

Embodiment 1

[0047] This embodiment is used to illustrate the degreasing method of the metal plate surface provided by the present invention

[0048] (1) Spray treatment

[0049] Put the irregular titanium plate with a thickness of 5mm into the shot blasting machine for shot blasting treatment, fill the shot blasting machine with 15% steel balls with a particle size of 0.8mm, 75% of pellets with a particle size of 0.3mm, and 10% The pellets with a particle size of 0.1mm, wherein, relative to each square meter of metal plate, the shot blasting pressure is 2MPa, and the particle density is 70kg. Among them, the blasting treatment of large-sized particles is carried out first, and then the spraying treatment of medium-sized and small-sized particles is carried out. The surface roughness of the titanium plate after treatment is determined to be between 1.0-0.8 μm.

[0050] (2) Purification treatment 1

[0051] The titanium plate after the treatment in step (1) was washed with water for 3 ti...

Embodiment 2

[0058] This embodiment is used to illustrate the method for degreasing the metal plate surface provided by the present invention

[0059] (1) Spray treatment

[0060] Put the irregular titanium plate with a thickness of 8mm into the shot blasting machine for shot blasting treatment, fill the shot blasting machine with 17% steel balls with a particle size of 0.6mm, 68% with pellets with a particle size of 0.4mm, and 15% The pellets with a particle size of 0.15mm, wherein, relative to each square meter of metal plate, the shot blasting pressure is 3MPa, and the particle density is 65kg. Among them, the blasting treatment of large-sized particles is carried out first, and then the spraying treatment of medium-sized and small-sized particles is carried out. The surface roughness of the titanium plate after treatment is determined to be between 1.2-1.0 μm.

[0061] (2) Purification treatment 1

[0062] The titanium plate after step (1) was washed with water for 3 times, wherein ...

Embodiment 3

[0067] This embodiment is used to illustrate the method for degreasing the metal plate surface provided by the present invention

[0068] (1) Spray treatment

[0069] Put the irregular titanium plate with a thickness of 2mm into the shot blasting machine for shot blasting treatment, fill the shot blasting machine with 15% steel balls with a particle size of 0.65mm, 70% of pellets with a particle size of 0.2mm, and 15% The pellets with a particle size of 0.1mm, the shot blasting pressure is 1.5MPa, and the particle density is 70kg per square meter of metal plate. Among them, the blasting treatment of large-sized particles is carried out first, and then the spraying treatment of medium-sized and small-sized particles is carried out. The surface roughness of the titanium plate after treatment is determined to be between 1.3-1.1 μm.

[0070] (2) Purification treatment 1

[0071] The titanium plate after step (1) was washed with water for 3 times, wherein the first and third tim...

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Abstract

The invention relates to the field of metal plate surface treatment, and discloses a degreasing method of a metal plate surface. The method comprises the following step: carrying out electrochemical polishing treatment on the metal plate surface in an electrolyte containing 5-15 wt% of sulfuric acid. By adopting the technical scheme, the method reduces the influence of the traditional HF solution immersion on the human body and environment, and also reduces the influence of the traditional immersion or degreasing fluid residual liquid of spray degreasing on the subsequent surface treatment technique, thereby enabling the application of irregular parts into home appliance industry. The production technique is simple and easy to operate. When the titanium alloy plate surface degreased by the technique is subjected to anode oxidation, the voltage for obtaining the same color is lower under the condition of the same solution concentration, thereby greatly lowering the power utilization cost.

Description

technical field [0001] The invention relates to the field of metal plate surface treatment, in particular to a method for degreasing the surface of a metal plate. Background technique [0002] At present, domestic and foreign manufacturers will form a dense oxide layer on the surface during the production of titanium and titanium alloy plates. This oxide layer is difficult to remove during subsequent surface anodic oxidation treatment or other surface process construction. The traditional treatment method is to soak the surface of titanium and titanium alloy plates with HF solution or use a polishing machine to polish the surface of the plate, and then soak in HF solution to completely remove the oxide layer on the surface, and then perform surface treatment, etc. process. [0003] However, because HF solution is highly corrosive, highly polluting and highly volatile, it will cause serious harm to the environment and the body of the staff. It is not suitable for large-scal...

Claims

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Application Information

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IPC IPC(8): C25F3/26
CPCC25F3/26
Inventor 许哲峰郑昊青郑之旺王亮赟
Owner PANZHIHUA IRON & STEEL RES INST OF PANGANG GROUP
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