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Sliding rail for sliding doors of automobiles

A sliding door and sliding rail technology, applied in the direction of electrolytic paint, coating, etc., can solve the problems such as difficulty in sliding, inconvenient, and difficult to expand and contract the sliding rail, achieve good brightness and leveling, speed up the deposition speed, and good dispersion ability. Effect

Inactive Publication Date: 2017-04-19
WUXI MINGSHENG STRONG BLOWER
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, in the actual use process, due to wear, foreign matter, rust, etc., it is difficult to slide the slide rail, so it is difficult to expand and contract, which brings great inconvenience to life.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] A slide rail for an automobile sliding door, the surface of the slide rail has a graphene-nickel-based composite coating with a thickness of 20 μm.

[0021] The graphene nickel-based composite coating on the surface of the slide rail is prepared by the following method:

[0022] (1) activate the slide rail with 1wt% dilute hydrochloric acid for 20s;

[0023] (2) The nickel plate is used as the anode, and the activated slide rail is used as the cathode, at a pH of 4, a temperature of 40°C, and a cathode current density of 1.5A / dm 2 Carry out electroplating under the condition of condition, the composition of described composite plating solution is:

[0024] Nickel sulfate 140g / L, nickel chloride 25g / L, boric acid 20g / L, sodium sulfate 10g / L, graphene 0.1g / L, gum arabic powder 0.01g / L.

Embodiment 2

[0026] A slide rail for an automobile sliding door, the surface of the slide rail has a graphene-nickel-based composite coating with a thickness of 30 μm.

[0027] The graphene nickel-based composite coating that the slide rail surface of the present invention has is prepared by the following method:

[0028] (1) activate the slide rail with 3wt% dilute hydrochloric acid for 30s;

[0029] (2) The nickel plate is used as the anode, and the activated slide rail is used as the cathode. At a pH of 6, a temperature of 60°C, and a cathode current density of 3A / dm 2 Carry out electroplating under the condition of condition, the composition of described composite plating solution is:

[0030] Nickel sulfate 160g / L, nickel chloride 40g / L, boric acid 30g / L, sodium sulfate 15g / L, graphene 0.5g / L, gum arabic powder 0.1g / L.

Embodiment 3

[0032] A slide rail for an automobile sliding door, the surface of the slide rail has a graphene-nickel-based composite coating with a thickness of 25 μm.

[0033] The graphene nickel-based composite coating that the slide rail surface of the present invention has is prepared by the following method:

[0034] (1) activate the slide rail with 2wt% dilute hydrochloric acid for 20s;

[0035] (2) The nickel plate is used as the anode, and the activated slide rail is used as the cathode. At a pH of 5, a temperature of 50°C, and a cathode current density of 2A / dm 2 Carry out electroplating under the condition of condition, the composition of described composite plating solution is:

[0036] Nickel sulfate 150g / L, nickel chloride 30g / L, boric acid 25g / L, sodium sulfate 10g / L, graphene 0.3g / L, gum arabic powder 0.05g / L.

[0037] The composite coating of Examples 1-3 reduces the friction coefficient and wear rate at the same time, has a lower friction coefficient, and has better wear...

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Abstract

The invention discloses a sliding rail for sliding doors of automobiles. A graphene nickel-based composite coating with a thickness of 20-30 microns is arranged on the surface of the sliding rail. Through the composite coating, the friction coefficient and wear rate are reduced at the same time, and the composite coating has a relatively low friction coefficient and has abrasive resistance more excellent than that of Cr coatings. Under each load, the wear rate is reduced by more than 50% than a matrix.

Description

technical field [0001] The invention relates to the technical field of auto parts, in particular to a slide rail for an automobile sliding door. Background technique [0002] Automobiles, particularly multifunctional automobiles, such as MPVs or commercial vehicles, have rear doors that are opened manually or electrically. Its opening method is different from the pull-out type of traditional cars, but slides back and forth. The sliding depends on the sliding mechanism installed on the upper and lower sides of the car door. Generally, the guide rail cooperates with the locking mechanism to realize the front and rear sliding of the car door, which has achieved the purpose of saving opening and closing space. [0003] CN 101169026 B discloses a sliding door structure for an automobile, which utilizes at least one guide mechanism that guides the door body in the front-rear direction of the vehicle to allow the door body to slide relative to the opening of the vehicle body in th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C25D15/00C25D7/00
CPCC25D15/00C25D7/00
Inventor 张达明
Owner WUXI MINGSHENG STRONG BLOWER
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