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Environment-friendly coating method for implementing blackening bronze wire drawing element on metal piece

A technology of bronze drawing and metal parts, which is applied in the field of environmental protection coating, can solve the problems of complex, blackened bronze drawing, which is not environmentally friendly, and achieve the effects of small metal consumption, excellent appearance and excellent product function.

Active Publication Date: 2011-10-19
NINGBO RUNNER INDAL CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] The purpose of the present invention is to provide an environment-friendly coating method for implementing blackened bronze wire drawing on metal parts, which only requires one Dyeing black and a color paint, through drawing, pull the blackened metal parts out of the grain, and then use the principle of no color on black, spray color paint, you can get the metal parts with the appearance of blackened bronze wire drawing

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] Example 1 An iron tuyere plated with blackened red bronze wire drawing

[0030] 1) Clean and activate the tuyeres stamped by iron parts by dry method, and the flame treatment time is 180s.

[0031] 2) Put the workpiece processed in step 1 into a PVD furnace, and coat it with a TiC black film.

[0032] 3) Automatically draw the iron parts coated with black film to draw out the required lines, exposing the silver-white metal of the substrate.

[0033] 4) Clean and activate the wire-drawn iron parts by dry method, and the flame treatment time is 10s.

[0034] 5) Spray one layer of 50 μm thick copper-colored transparent powder coating on the iron piece through step 4). Use preheating temperature (120℃×5min), then leveling (150℃×5min), and then curing (180℃×15min).

[0035] The specific method of dry cleaning is as follows: first wipe the surface of the metal blank with a dry cloth to remove grease and dust, then use a high-temperature flame to treat the grease on the met...

Embodiment 2

[0045] Example 2 A zinc alloy switch panel plated with blackened green bronze wire drawing

[0046] 1) Clean and activate the punched zinc alloy switch panel by dry method, and the ion flame treatment time is 240s.

[0047] 2) Carrying out chemical blackening on the workpiece treated in step 1 to obtain a black film.

[0048] 3) Automatically draw the zinc alloy parts coated with black film to draw out the required lines, exposing the silver-white metal of the substrate.

[0049] 4) Clean and activate the wire-drawn zinc alloy parts by dry method, and the ion flame treatment time is 10s.

[0050] 5) Spray a layer of 25 μm thick bronze-colored transparent UV-curable coating on the zinc alloy parts after step 4). Use leveling (80℃×5min), and then cured by ultraviolet light (1200mj / cm 2 ).

[0051] The specific method of dry cleaning and activation is the same as in Example 1.

[0052] The products obtained by this process have a switch panel with a blackened bronze brushed ...

Embodiment 3

[0059] Example 3 A kind of blackened yellow bronze wire drawing of aluminum alloy handle

[0060] 1) Clean and activate the aluminum alloy handle by dry method, and the ion flame treatment time is 4 minutes.

[0061] 2) Spray the workpiece treated in step 1 with black paint to obtain a 5um thick black paint film.

[0062] 3) Automatically wire-draw the aluminum alloy parts coated with black paint film to draw out the required lines and expose the silver-white metal of the substrate.

[0063] 4) Clean and activate the brushed aluminum alloy parts by dry method, and the ion flame treatment time is 4s.

[0064] 5) The aluminum alloy part after step 4) is sprayed with a layer of 50um thick brass-colored transparent powder coating. Use preheating temperature (110℃×5min), then leveling (120℃×5min), and then curing (140℃×25min).

[0065] The specific method of dry cleaning and activation is the same as in Example 1.

[0066] The products obtained by this process can achieve the alu...

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Abstract

The invention provides an environment-friendly coating method for implementing a blackening bronze wire drawing element on a metal piece, relating to a surface processing method of a metal piece. The method comprises the steps of dry cleaning and activating metal blanks; performing metallic black dyeing on the activated metal blanks; carrying out wire drawing on the black dyed metal blanks to draw out required patterns; dry cleaning and activating the wire-drawn metal blanks; painting additive color finishing varnish on the metal blanks that have wire-drawing patterns, and finishing implementing environment-friendly coating on the blackening bronze wire drawing element on the metal piece. On the basis of tests, the coating metal product has the advantages of corrosion resistance, wear resistance, weathering resistance, temperature resistance, colorful performance and the like, and is comparative to the quality of the traditional water (wet) plating metal product. Meanwhile, the methodhas the advantages of simple procedure, less consumption of metals used in the process and less waste gas and waste water, therefore being an economic and environment-friendly novel coating technology.

Description

technical field [0001] The invention relates to a surface treatment method of a metal piece, in particular to an environment-friendly coating method for implementing a blackened bronze wire drawing piece on the metal piece. Background technique [0002] With the improvement of people's living standards, a single bright chromium water electroplating can no longer meet the diverse needs of people, so it is a trend to perform colorful coatings on metal surfaces. At present, the blackened bronze wire drawing process on the surface of metal parts is a process of chemically blackening after electroplating brass or red copper or bronze with water, and then drawing and spraying a glossy finish. However, the traditional blackened bronze drawing process has the following disadvantages: (1) The process is complex (polishing of metal parts - degreasing and waxing - electroplating brass, bronze, red copper - chemical blackening - drawing - painting) , The cycle is long (3h); (2) The wat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B44C1/00B44F9/10B05D5/00
Inventor 吴子豹王应泉王飞李明仁
Owner NINGBO RUNNER INDAL CORP
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