Dynamic/static scroll plate of no-oil scroll air compressor and nickel and boron plating process thereof

A static scroll, nickel-boron plating technology, applied in the field of scroll compressors, can solve the problem that the thickness and uniformity of the oxide film cannot be accurately controlled, the oxide film coating affects the heat dissipation performance of the scroll, and the accuracy cannot meet the qualified accuracy requirements, etc. problems, to achieve the effect of improving operating conditions, reducing friction, and reducing failure rates

Inactive Publication Date: 2020-04-21
华远精密机器(深圳)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Since the surface of the scroll disk adopts hard anodic oxidation treatment process, the thickness and uniformity of the oxide film cannot be accurately controlled within the required range. After the anodic oxidation treatment process, its accuracy cannot meet the qualified accuracy requirements. In addition, the oxide film coating also seriously affects the heat dissipation performance of the scroll

Method used

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  • Dynamic/static scroll plate of no-oil scroll air compressor and nickel and boron plating process thereof
  • Dynamic/static scroll plate of no-oil scroll air compressor and nickel and boron plating process thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0054] An oil-free scroll air compressor motor, fixed scroll nickel boron plating process, the specific steps are as follows:

[0055] Step 1, chemical degreasing, put the oil-free vortex air compressor motor and static vortex in the mixed solution tank of sodium hydroxide, sodium carbonate and sodium metaborate in a mass ratio of 2:3:3 to remove surface oil stains, mix The temperature in the solution tank is 80°C, the chemical degreasing time is 10 minutes, and then washed several times with water;

[0056] Step 2, electrolytic degreasing, the oil-free vortex air compressor motor, the static vortex are placed in the mixed solution electrolytic cell of sodium hydroxide, sodium carbonate and sodium metaborate according to the mass ratio of 2:3:3, alkaline solution The temperature in the electrolytic cell is 80°C. First, the oil-free scroll air compressor motor and static scroll disk are used as the cathode to degrease. The cathode reaction time is 3 minutes, and then the oil-fr...

Embodiment 2

[0063] An oil-free scroll air compressor motor, fixed scroll nickel boron plating process, the specific steps are as follows:

[0064] Step 1, chemical degreasing, put the oil-free vortex air compressor motor and static vortex in the mixed solution tank of sodium hydroxide, sodium carbonate and sodium metaborate in a mass ratio of 2:3:3 to remove surface oil stains, mix The temperature in the solution tank is 60°C, and the chemical degreasing time is 30 minutes, followed by multiple washings;

[0065] Step 2, electrolytic degreasing, the oil-free vortex air compressor motor, the static vortex are placed in the mixed solution electrolytic cell of sodium hydroxide, sodium carbonate and sodium metaborate according to the mass ratio of 2:3:3, alkaline solution The temperature in the electrolytic cell is 60°C. First, the oil-free scroll air compressor motor and the static scroll disk are used as the cathode for degreasing. The cathode reaction time is 7 minutes, and then the oil-fr...

Embodiment 3

[0072] An oil-free scroll air compressor motor, fixed scroll nickel boron plating process, the specific steps are as follows:

[0073] Step 1, chemical degreasing, put the oil-free vortex air compressor motor and static vortex in the mixed solution tank of sodium hydroxide, sodium carbonate and sodium metaborate in a mass ratio of 2:3:3 to remove surface oil stains, mix The temperature in the solution tank is 70°C, and the chemical degreasing time is 20 minutes, followed by multiple washings;

[0074] Step 2, electrolytic degreasing, the oil-free scroll air compressor motor, the static scroll disc are placed in the alkaline solution electrolytic cell of sodium hydroxide, sodium carbonate and sodium metaborate by 2:3:3 mass ratio, alkaline The temperature in the solution electrolytic cell is 75°C. Firstly, the motorized oil-free scroll air compressor and the static scroll disk are used as the cathode to remove the oil. The cathode reaction time is 5 minutes, and then the motori...

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Abstract

The invention relates to a dynamic/static scroll plate of a no-oil scroll air compressor and a nickel and boron plating process thereof. The nickel and boron plating process comprises the specific steps of chemical oil removal, electrolytic oil removal, hydrochloric acid dipping, chemical nickel and boron plating, heat treatment after plating, passivation and drying; and when the chemical nickel plating is performed with sodium borohydride as a reducing agent, the reducing equivalent is much higher than that of hypophosphite, and the performance of weldability, wear resistance, hardness and chemical stability of obtained nickel and boron alloy plating layers is much better than that of other chemical nickel plating layers such as nickel and phosphorus chemical plating.

Description

technical field [0001] The invention relates to the technical field of scroll compressors, in particular to an oil-free scroll air compressor motor, a fixed scroll disk and a nickel-boron plating process thereof. Background technique [0002] At present, the scroll discs of oil-free scroll air compressors are all made of aluminum alloy, and their surfaces are all treated with hard anodic oxidation. The diameter size is mainly determined by the displacement and driving power of the air compressor. Technical level and manufacturing capacity, the outer diameter of the scroll is not more than 400mm, and the driving power is not more than 11kW. The oil-free scroll air compressor has extremely high requirements on the geometrical dimension accuracy of the scroll, and the deviation is usually less than 0.01mm. . [0003] Since the surface of the scroll disk adopts hard anodic oxidation treatment process, the thickness and uniformity of the oxide film cannot be accurately controlle...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C23C18/34C23C18/18F04C18/02
CPCC23C18/34C23C18/1848C23C18/1844F04C18/0215F04C2240/20
Inventor 李晓峰梁培军
Owner 华远精密机器(深圳)有限公司
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