Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Coating method of automobile hub cover

An automobile wheel hub, light curing technology, used in sputtering coating, ion implantation coating, vacuum evaporation coating and other directions, can solve the problems of workers' health impact, large water consumption, high treatment cost, and achieve improved dispersion and mixing. technology, improving surface wear resistance, and the effect of good working conditions for workers

Inactive Publication Date: 2010-05-26
HUZHOU JINTAI PLATING IND
View PDF2 Cites 2 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] 1. The electroplating waste liquid contains toxic metals and needs to be treated with three wastes. The treatment process is complicated, the treatment cost is high, and the environmental pollution cannot be completely eliminated;
[0006] 2. It needs to consume a lot of precious metals such as copper, nickel, chromium, etc., and the cost is high;
[0007] 3. The process of plastic electroplating is complex, with many processes and high production costs;
[0008] 4. Large electricity consumption, large water consumption, and high production costs;
[0009] 5. The working conditions of the plastic electroplating process are poor, which has a certain impact on the health of workers
[0010] Therefore, the electroplating process of ABS plastic surface treatment can no longer meet the needs of factors such as environment and cost, and it is urgent to develop a coating method that is environmentally friendly, simple in process, and low in cost.

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Coating method of automobile hub cover
  • Coating method of automobile hub cover

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] like figure 1 Shown, the coating method of automobile hubcap comprises the following steps successively:

[0028] Pretreatment 1: Scrub with an organic solvent first to remove oil stains and residual release agents on the surface of the workpiece, and then use an electrostatic precipitator or ionization fan for dust removal treatment to neutralize the charge on the plastic surface and make the adsorbed dust fall off.

[0029] Car hubcaps are usually made of ABS (butadiene-styrene-acrylonitrile copolymer) plastic. Although ABS plastic has low crystallinity and high polarity, it can be directly painted, but its adhesion is not high, so pretreatment is required to improve adhesion and coating quality.

[0030] First of all, the surface oil and residual release agent should be completely removed. Residues of release agents (zinc stearate, silicone oil) are likely to cause defects such as coating shrinkage and poor adhesion, so they should be removed. There are many degre...

Embodiment 2

[0057] In this embodiment, the three steps of pretreatment 1, light-curing primer 2, and light-curing top coat 4 are the same as those in the embodiment.

[0058] In the 3rd step of ion bombardment chrome plating, cathodic arc ion plating equipment should be used for ion bombardment chrome plating, and the process parameters are as follows:

[0059] Chromium target (Φ60mm) 18

[0060] Distance between target and workpiece 400mm

[0061] Vacuum 1×10 -1 pa

[0062] Target flow 40A

[0063] Target voltage 20V

[0064] The time is 2 minutes.

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

PropertyMeasurementUnit
densityaaaaaaaaaa
Login to View More

Abstract

The invention discloses a membrane-plating method for a hub cover of a vehicle which includes the steps of pre-processing, bottom coating through light curing, chromeplating through ion bombardment, surface coating through light curing, etc. The invention adopts a dry plating to replace the traditional wet electric plating and adopts an aluminum layer to replace the traditional metal coat of Ni-Cu-Cr. The dry plating method does not contain poison matters, does not have the problem of three wastes, does not need three-waste processing, has a simple technique process and has no pollution to theenvironment. The working condition of a worker is good; the effect to the body health is small. The noble metals like Cu, Ni and Cr are not needed to be used; only less aluminum is used, thus greatlyreducing the cost. The technique is simple; the working procedures are less; the production cost is low. The power consumption is about one fifths to one sevenths of the electric plating; the water consumption is about one tens to one twentieths of the electric plating. The integral production cost is about one seconds of the electric plating. The method of the invention has a high economic benefit; besides, nano-ceramics particles are added in the surface coating material of light curing which improves the techniques of dispersing and mixing as well as remarkably improves the surface wear-resistance.

Description

【Technical field】 [0001] The invention relates to the field of material surface treatment, in particular to a method for coating a hub cover of an automobile. 【Background technique】 [0002] The material of the automobile hub cap is ABS plastic, in order to improve its surface appearance quality and performance, it adopts electroplating process for surface treatment. [0003] The surface electroplating treatment process of the automobile hub cover is: degreasing→roughening→reduction→activation→electroless nickel plating→electroplating coke copper→electroplating acid copper→electroplating semi-bright nickel→electrochrome plating. After the surface of ABS plastic is treated by electroplating, it can obtain high surface quality and good performance. [0004] However, there are many insurmountable defects in this surface electroplating process: [0005] 1. The electroplating waste liquid contains toxic metals and needs to be treated with three wastes. The treatment process is ...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): C23C14/20C23C14/32
Inventor 钱苗根潘建华
Owner HUZHOU JINTAI PLATING IND
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products