CN103741183A - Production process for high-strength and temperature-change-resistant nylon electroplated product - Google Patents
Production process for high-strength and temperature-change-resistant nylon electroplated product Download PDFInfo
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- CN103741183A CN103741183A CN201410019243.XA CN201410019243A CN103741183A CN 103741183 A CN103741183 A CN 103741183A CN 201410019243 A CN201410019243 A CN 201410019243A CN 103741183 A CN103741183 A CN 103741183A
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Abstract
The invention provides a production process for a high-strength and temperature-change-resistant nylon electroplated product. The production process comprises the following steps: (A) baking an appearance-fixed injection molding product in a baking oven; (B) clamping the baked injection molding product to a hanger; (C) performing selective chemical plating pretreatment and chemical plating on the injection molding product through chemical plating equipment; (D) putting the hanger which clamps the injection molding product into nickel pre-plating cylinder liquid to complete a nickel pre-plating process, wherein a layer of nickel-phosphorus alloy film is generated on the surface of the injection molding product; (E) putting the injection molding product subjected to the nickel pre-plating process into copper polishing cylinder liquid to complete a copper polishing process; (F) putting the injection molding product subjected to the copper polishing process into nickel semi-polishing cylinder liquid for electroplating, and then performing seal nickel electroplating; (G) activating and passivating the injection molding product, and putting the injection molding product into a chromium polishing cylinder to generate a chromium layer, with required thickness, on the surface of the product, so that the nylon electroplated product is obtained. The cycle number of a cold-hot cycle test on an electroplated piece is improved, and the cold-hot resistance of the electroplated product is effectively improved.
Description
Technical field
The present invention relates to nylon production technical field, particularly a kind of high strength temperature resistance becomes nylon electroplate technology.
Background technology
Nylon is electroplated and is widely used in industry as a kind of new type plastic base material, especially automobile, motorcycle, field of household appliances.Nylon plated item has excellent heat-resisting, high impact, and recoverable deformation is little, and the performances such as rub resistance and damping have satisfactory stability.Nylon plated item is not only measured gently, but also has excellent physicals.It is the technology of typical novel material and novel process combination in modern processing technique that plastic cement nylon is electroplated, plastic cement nylon plated item not only can be realized good metal-like, and can alleviate product weight, effectively improving plastics outward appearance and ornamental while, also improve its performance at electricity, heat and the aspect such as anti-corrosion, improved its surperficial physical strength.But common nylon plating mode is only applicable to the lower car trim of functional requirement, as handle, automobile internal and external ornament part inside and outside car door.Under stronger ordering about of market competition day, common nylon is electroplated and cannot have been met the industrial requirement that function is higher.Nylon is electroplated and is still a kind of new technology, aspect a lot of, can't replace metalwork.Common nylon electro-plating method can only be by requiring lower thermal shock test, and the thermal shock of having relatively high expectations test cannot be passed through, and therefore on nylon electroplating technology, also needs to improve.
The doping that the nylon electroplating technology of prior art contains PC material or other refractory matters, enhancing material etc. when glue part used, while making alligatoring, the stress of base material do not discharged completely or alligatoring not in place, cause when the condition of high temperature of cold cycling, bad because of the bonding force of coating and base material, and cause foaming; When the thickness mismatch of nickel dam and copper layer, do cold cycling, because of the stress of nickel dam larger, when high temperature or low temperature, be released, at this moment need to utilize the ductility of copper layer to disperse, when the thickness of copper layer is failed complete dispersive stress, cause coating to bubble, make nylon product more difficult by higher cold cycling test.
Summary of the invention
The invention provides a kind of high strength temperature resistance and become nylon electroplate technology, to improve the cycle number of plated item cold cycling test, the cold-and-heat resistent performance that has effectively improved electroplate, minimizing cost and to enhance productivity.
To achieve these goals, the invention provides following technical scheme:
A kind of high strength temperature resistance becomes nylon electroplate technology, it is characterized in that, comprising:
A, the injecting products that outward appearance is shaped are put in baking box and toast;
B, baked injecting products is clamped on hanger;
C, by chemical plating plant, described injecting products is carried out to selective chemical plating pre-treatment and electroless plating;
D, there is the hanger of the injecting products of Surface Creation one deck nickel-phosphorus alloy firm to enter in nickel preplating cylinder liquid, to complete nickel preplating clamping;
E, the injecting products that completes nickel preplating is entered in light copper cylinder liquid, to complete light process for copper;
F, the injecting products that completes light process for copper is entered to be introduced in half light nickel cylinder liquid and electroplate, after completing, enter again sealing nickel and electroplate;
G, then by this injecting products through overactivation and Passivation Treatment, enter in light chromium cylinder so that product surface generates required chromium layer thickness, obtain nylon plated item.
By implementing above technical scheme, there is following technique effect: high strength temperature resistance provided by the invention becomes nylon electroplate technology, reduce the surface stress between coating and coating, coating and material, cancel after light nickel dam, can reduce per square inch by 5000～20000 the tension force of answering, strengthen the bonding force between each coating, stronger water-absorbent material can be dried, thereby improve the cycle number of plated item cold cycling test, guarantee the stability of cold cycling function test; Effectively improved the cold-and-heat resistent performance of electroplate, this technique can be widely applied on the nylon plated item of requirements at the higher level; Reduce unnecessary operation, reduced the cost of electroplating; Shorten the production time, enhance productivity.
Embodiment
Technical scheme for a better understanding of the present invention, describes embodiment provided by the invention below in detail.
The embodiment of the present invention provides a kind of high strength temperature resistance to become nylon electroplate technology, comprises step:
A, the injecting products of outward appearance sizing is put in to baking box toasts, the time of baking is according to the different baking time differences of material character, as left and right between the injecting products baking of: common sizing material 2 hours.
B, baked injecting products is clamped on hanger.
C, by chemical plating plant, described injecting products is carried out to selective chemical plating pre-treatment and electroless plating (being pre-electroplating treatment), this pre-electroplating treatment process is clean injecting products surface, then according to material resistance water characteristic, make material surface obtain etching and adhere to the active centre with catalytic chemistry plating, so that injecting products surface generates one deck nickel-phosphorus alloy firm in electroless plating tank.According to the actual effect of described injecting products, adjust the parameter of this pre-treatment.
D, there is the hanger of the injecting products of Surface Creation one deck nickel-phosphorus alloy firm to enter in nickel preplating cylinder liquid, to complete nickel preplating clamping; That is: according to the required effect of the reality of injecting products, adjust the various correlation parameters of this technique, so that the required nickel layer thickness of injecting products Surface Creation.
E, the injecting products that completes nickel preplating is entered in light copper cylinder liquid, to complete light process for copper; That is: according to the required effect of the reality of injecting products, adjust the various correlation parameters of this technique, so that the required copper layer thickness of injecting products Surface Creation.
F, the injecting products that completes light process for copper is entered to be introduced in half light nickel cylinder liquid and electroplate, after completing, entering sealing nickel electroplates again, that is: according to the required effect of the reality of product, adjust in described half light nickel cylinder liquid and electroplate and seal nickel and electroplate the various correlation parameters of two techniques, so that the required nickel layer thickness of injecting products Surface Creation.
G, then by this injecting products through overactivation and Passivation Treatment, enter in light chromium cylinder, according to the required effect of the reality of injecting products, adjust the various correlation parameters of this technique, so that product surface generates required chromium layer thickness, obtain final high strength temperature resistance and become nylon plated item.
A kind of high strength the temperature resistance above embodiment of the present invention being provided becomes nylon electroplate technology and is described in detail, for one of ordinary skill in the art, according to the thought of the embodiment of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (1)
1. high strength temperature resistance becomes a nylon electroplate technology, it is characterized in that, comprises step:
A, the injecting products that outward appearance is shaped are put in baking box and toast;
B, baked injecting products is clamped on hanger;
C, by chemical plating plant, described injecting products is carried out to selective chemical plating pre-treatment and electroless plating;
D, there is the hanger of the injecting products of Surface Creation one deck nickel-phosphorus alloy firm to enter in nickel preplating cylinder liquid, to complete nickel preplating clamping;
E, the injecting products that completes nickel preplating is entered in light copper cylinder liquid, to complete light process for copper;
F, the injecting products that completes light process for copper is entered to be introduced in half light nickel cylinder liquid and electroplate, after completing, enter again sealing nickel and electroplate;
G, then by this injecting products through overactivation and Passivation Treatment, enter in light chromium cylinder so that product surface generates required chromium layer thickness, obtain nylon plated item.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410019243.XA CN103741183A (en) | 2014-01-16 | 2014-01-16 | Production process for high-strength and temperature-change-resistant nylon electroplated product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410019243.XA CN103741183A (en) | 2014-01-16 | 2014-01-16 | Production process for high-strength and temperature-change-resistant nylon electroplated product |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103741183A true CN103741183A (en) | 2014-04-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410019243.XA Pending CN103741183A (en) | 2014-01-16 | 2014-01-16 | Production process for high-strength and temperature-change-resistant nylon electroplated product |
Country Status (1)
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| CN (1) | CN103741183A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105780076A (en) * | 2016-05-19 | 2016-07-20 | 深圳市民达科技有限公司 | High-strength temperature change resisting nylon electroplating production process |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101396890A (en) * | 2007-09-29 | 2009-04-01 | 比亚迪股份有限公司 | Plastics products and preparation method thereof |
| CN101580951A (en) * | 2008-05-12 | 2009-11-18 | 比亚迪股份有限公司 | Method for improving corrosion resistance of chromeplated product |
| CN102127764A (en) * | 2011-01-28 | 2011-07-20 | 厦门建霖工业有限公司 | Method for implementing semi-dry plating on surface of plastic substrate |
| CN103388135A (en) * | 2013-07-18 | 2013-11-13 | 厦门建霖工业有限公司 | Nylon material roughing solution and roughing method using same |
-
2014
- 2014-01-16 CN CN201410019243.XA patent/CN103741183A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101396890A (en) * | 2007-09-29 | 2009-04-01 | 比亚迪股份有限公司 | Plastics products and preparation method thereof |
| CN101580951A (en) * | 2008-05-12 | 2009-11-18 | 比亚迪股份有限公司 | Method for improving corrosion resistance of chromeplated product |
| CN102127764A (en) * | 2011-01-28 | 2011-07-20 | 厦门建霖工业有限公司 | Method for implementing semi-dry plating on surface of plastic substrate |
| CN103388135A (en) * | 2013-07-18 | 2013-11-13 | 厦门建霖工业有限公司 | Nylon material roughing solution and roughing method using same |
Non-Patent Citations (1)
| Title |
|---|
| MAJA-MARIOLA BRANDES等: "尼龙（PA）电镀前处理", 《电镀与涂饰》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105780076A (en) * | 2016-05-19 | 2016-07-20 | 深圳市民达科技有限公司 | High-strength temperature change resisting nylon electroplating production process |
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Application publication date: 20140423 |
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