KR19990041520A - Automobile aluminum wheel surface treatment method and automobile aluminum wheel manufactured thereby - Google Patents
Automobile aluminum wheel surface treatment method and automobile aluminum wheel manufactured thereby Download PDFInfo
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- KR19990041520A KR19990041520A KR1019970062118A KR19970062118A KR19990041520A KR 19990041520 A KR19990041520 A KR 19990041520A KR 1019970062118 A KR1019970062118 A KR 1019970062118A KR 19970062118 A KR19970062118 A KR 19970062118A KR 19990041520 A KR19990041520 A KR 19990041520A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B7/00—Wheel cover discs, rings, or the like, for ornamenting, protecting, venting, or obscuring, wholly or in part, the wheel body, rim, hub, or tyre sidewall, e.g. wheel cover discs, wheel cover discs with cooling fins
- B60B7/0026—Wheel cover discs, rings, or the like, for ornamenting, protecting, venting, or obscuring, wholly or in part, the wheel body, rim, hub, or tyre sidewall, e.g. wheel cover discs, wheel cover discs with cooling fins characterised by the surface
- B60B7/0033—Wheel cover discs, rings, or the like, for ornamenting, protecting, venting, or obscuring, wholly or in part, the wheel body, rim, hub, or tyre sidewall, e.g. wheel cover discs, wheel cover discs with cooling fins characterised by the surface the dominant aspect being the surface appearance
- B60B7/0046—Wheel cover discs, rings, or the like, for ornamenting, protecting, venting, or obscuring, wholly or in part, the wheel body, rim, hub, or tyre sidewall, e.g. wheel cover discs, wheel cover discs with cooling fins characterised by the surface the dominant aspect being the surface appearance the surface being plated or coated
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B1/00—Spoked wheels; Spokes thereof
- B60B1/06—Wheels with compression spokes
- B60B1/08—Wheels with compression spokes formed by casting
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
- C23C14/14—Metallic material, boron or silicon
- C23C14/16—Metallic material, boron or silicon on metallic substrates or on substrates of boron or silicon
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Electroplating Methods And Accessories (AREA)
- Other Surface Treatments For Metallic Materials (AREA)
Abstract
본발명은 자동차용 알루미늄휠(Aluminum wheel) 표면처리 방법 및 이에 의해 제조되는 자동차용 알루미늄휠에 관한 것이다.The present invention relates to a method for surface treatment of aluminum wheels for automobiles and to aluminum wheels for automobiles produced thereby.
일반적으로 제작되는 자동차용 알루미늄휠에는 도장을 한 알루미늄휠과 도금을 한 알루미늄휠 두 종류가 있는바, 도금한 것이 도장한 것에 비하여 외관 및 품질에 있어서 모두 뛰어나나 다만, 제작과정에 있어서 도금에 꼭 필요한 연마과정이 알루미늄 특성상 아주 어렵기 때문에 전체 제작비용이 비싼 것이 흠이었다.In general, there are two kinds of aluminum wheels for automobiles, which are coated aluminum wheels and plated aluminum wheels, which are excellent in both appearance and quality compared to the coated aluminum wheels. Since the required polishing process is very difficult due to the characteristics of aluminum, the overall manufacturing cost is high.
따라서, 본발명은 이를 해결한 것으로 도금에 꼭 필요한 연마과정을 도장으로 대체하여 연마한 것 만큼 고운 표면을 얻을 수 있도록 함으로서 아주 손쉽고도 적은 비용으로 도금된 알루미늄휠을 제작할 수 있도록 한 것이다.Therefore, the present invention has solved this problem by replacing the polishing process necessary for plating with a coating so as to obtain a surface that is as fine as polishing, so that the aluminum wheel can be manufactured very easily and at low cost.
Description
본발명은 자동차용 알루미늄휠 표면처리 방법 및 이에 의해 제조되는 자동차 알루미늄휠에 관한 것이다.The present invention relates to a method for surface treatment of aluminum wheels for automobiles and automobile aluminum wheels produced thereby.
일반적으로 소형 자동차 타이어를 지지하여주는 휠은 철판을 구부려 만든 철제 휠과 알루미늄을 소재로 한 알루미늄휠을 볼 수 있다. 알루미늄휠은 외관이 미려할 뿐만아니라 가벼워 핸들 조작이 용이하며, 열전도율이 높아 주행중 지면과 마찰에 의해 타이어에 발생된 열을 신속히 흡수 방출하므로 타이어를 과열로부터 보호하게 되며, 또한, 강하고 탄성력이 있어 타이어가 펑크날시 철제휠과 같이 쉽게 찌그러지거나 쉽게 깨지지 않아 안전에 크게 기여하게 된다.In general, the wheels for supporting small car tires can be seen in steel wheels made of steel plate and aluminum wheels made of aluminum. The aluminum wheel is not only beautiful in appearance but also light in weight, so it is easy to operate the handle.The high thermal conductivity allows the tire to quickly absorb and release heat generated by friction with the ground while driving, thus protecting the tire from overheating. When it is punctured, it is not easily crushed or broken like steel wheels, which greatly contributes to safety.
이와 같이 기능적으로 효과가 우수한 알루미늄휠은 외관을 아름답게 하며, 표면의 내마모성을 증가시키기 위하여 표면처리를 행하게 되는 바, 종래 알루미늄휠 표면처리 방법으로는,As described above, aluminum wheels having excellent functional effects are beautifully coated and subjected to surface treatment in order to increase the wear resistance of the surface. As a conventional aluminum wheel surface treatment method,
첫 번째로, 알루미늄휠 표면에 도료를 도장하는 표면처리 방법이 있으며,Firstly, there is a surface treatment method for painting the aluminum wheel surface.
두 번째로, 알루미늄휠 표면을 도금에 의한 표면처리 방법이 수행되고 있다. 상기와 같이 도료를 이용한 도장처리 방법에 의한 알루미늄휠 표면처리 방법은 공정이 간단하며, 저렴하게 행할 수 있으나, 표면이 고급스럽지 못하고, 칠해지는 도료와 알루미늄휠과의 밀착성이 양호하지 못해 충격에 의해 쉽게 벗겨지는등 내마모성이 떨어져 고급차종에 있어서는 도장에 의해 표면처리한 알루미늄휠은 널리 채택되지 못하는 실정이다.Secondly, a surface treatment method by plating an aluminum wheel surface is performed. As described above, the aluminum wheel surface treatment method using the coating method using the paint is simple and inexpensive, but the surface is not high-quality, and the adhesion between the painted paint and the aluminum wheel is not good, so It is not easy to peel off and wear resistance, high-grade aluminum wheel surface treatment by painting is not widely adopted.
또한, 도금에 의한 알루미늄휠 표면처리 방법에 있어서는 표면에 금색, 은색, 코발트색등 광택성의 색상을 얻을 수 있어 화려하며, 고급스러운 표면 광택을 얻을 수 있으며, 도금처리할시 표면이 경화되어 쉽게 흠집이 발생하지 않는등 내마모성이 강화된 알루미늄휠을 얻을 수 있으나, 도금처리에 의한 비용이 과다하게 소요되어 알루미늄휠 가격을 상승시키는 단점을 갖게 된다.In addition, in the method of surface treatment of aluminum wheels by plating, gloss colors such as gold, silver, and cobalt colors can be obtained on the surface, which is gorgeous, and a high-quality surface gloss can be obtained. This does not occur, it is possible to obtain a wear-resistant aluminum wheel, but the cost is excessively expensive due to the plating process has the disadvantage of increasing the aluminum wheel price.
이와 같이 종래 알루미늄휠의 도금처리에 있어서, 비용이 과다하게 소요되던 것을 감안하여 본발명은 알루미늄휠 도금처리에 소요되는 비용을 절감시키고자 개발한 것으로, 종래 도금처리에 의한 비용보다 약 70%나 절감된 비용으로 도금처리를 가능하게 저렴하게 알루미늄휠을 양산할 수 있도록 한 것이다.As described above, the present invention was developed to reduce the cost required for aluminum wheel plating in consideration of excessive cost in the plating process of the aluminum wheel, which is about 70% higher than the cost of the conventional plating process. It is to be able to mass-produce aluminum wheels at low cost to make plating process at reduced cost.
알루미늄휠의 표면을 도금처리하려면 도금에 앞서 알루미늄휠 표면을 곱게 연마 가공하여 표면의 거친 것을 제거해야만 도금이 가능하게 된다.In order to plate the surface of the aluminum wheel, the surface of the aluminum wheel must be polished finely to remove the roughness of the surface before plating.
알루미늄은 그 소재의 특성상 경도가 낮고, 탄력성이 있는 금속이라 표면을 매끄럽게 연마하는 데에는 많은 시간이 필요하며, 숙련된 작업자라야만 비로소 가능하게 된다. 따라서, 알루미늄휠의 도금처리 비용중 대부분의 비용은 도금 자체의 비용보다는 도금을 위해 표면을 연마하는 전처리 비용이 대부분을 차지하게 된다.Aluminum is a material with low hardness and elasticity due to its material, so it takes a lot of time to smoothly polish the surface, and only a skilled worker can make it possible. Therefore, most of the cost of the aluminum wheel plating treatment is mainly due to the cost of pretreatment for polishing the surface for plating rather than the cost of the plating itself.
따라서, 도금처리를 위해 실시하는 표면 연마 비용을 절감하면 낮은 비용으로 알루미늄휠을 도금할 수 있게 되는 것이다.Therefore, it is possible to plate the aluminum wheel at low cost by reducing the cost of surface polishing performed for the plating treatment.
이와 같은 것을 감안하여 본발명은 알루미늄휠을 도금하기에 앞서 수행하는 표면 연마 비용을 절감하는데에 주안점을 두고 개발한 것으로, 종래 일반적으로 행하여지는 연마나 절삭공정을 통해 알루미늄휠 표면을 연마하는 대신에 알루미늄휠 표면을 도장함으로 말미암아 도장 알루미늄휠 표면이 마치 연마 처리한 것과 같은 효과를 가한 후 그 후에 건식도금을 수행토록 하여 도금에 소요되는 전단계 비용인 표면처리 비용을 절감시켜 결국 알루미늄휠의 비용을 저렴하게 할 수 있도록 한 것이다.In view of the above, the present invention was developed with the focus on reducing the cost of surface polishing performed before plating aluminum wheels. Instead of polishing the surface of aluminum wheels through conventional grinding or cutting processes, By painting the surface of the aluminum wheel, the surface of the painted aluminum wheel has the same effect as if it was polished, and then the dry plating is carried out, thereby reducing the surface treatment cost, which is the previous step for plating, and thus reducing the cost of the aluminum wheel. It is to be made.
본발명의 설명에 앞서 통상 알루미늄휠의 도금에 의한 표면처리 과정을 설명하면 다음과 같다.Prior to the description of the present invention will be described a surface treatment process by the plating of aluminum wheels as follows.
알루미늄 잉곳(ingot)을 프레스로 주조 가공하여 휠 형상으로 가공한 후, 1차 표면연삭 및 절삭가공을 수행한 후, 세척, 열처리 가공과 2차 및 3차 표면 연마가공을 수행한 후, 다시 이를 세척 건조한 후, 습식도금 공정을 통해 알루미늄휠을 완성하게 된다. 이와 같이 알루미늄휠 표면에 도금을 수행하려면 표면이 매끄럽고 아주 평탄하게 연삭가공되어야만 하므로 2차 3차 및 그 이상의 표면 연마공정을 거쳐야만 한다. 따라서, 도금 전체 공정중 표면 연마가공에 가장 많은 노력 및 시간이 소요되어지게 된다. 또한, 종래 알루미늄휠의 도장에 의한 표면처리 과정을 설명하면 다음과 같다.After casting the aluminum ingot into a press and processing it into a wheel shape, after performing the first surface grinding and cutting processing, the washing, heat treatment processing and the second and third surface polishing processing are performed again. After washing and drying, the aluminum wheel is completed through a wet plating process. In order to perform the plating on the surface of the aluminum wheel as described above, the surface must be ground smoothly and very evenly, and thus, the second and third surface polishing processes must be performed. Therefore, it takes the most effort and time for surface polishing during the whole plating process. In addition, the surface treatment process by painting the conventional aluminum wheel is as follows.
알루미늄 잉곳(ingot)을 프레스로 주조 가공하여 휠형상으로 가공한 후, 표면연삭 및 절삭가공을 수행한 후, 세척 및 열처리 가공을 수행한 후 도료로 표면을 도장하는 것으로, 알루미늄휠의 표면처리가 끝나게 된다. 이와 같이 수행처리된 도장처리 방법에 의한 알루미늄휠은 밀착성이 높지 못하며, 내마모성이 높지 못해 쉽게 표면에 흠집이 발생하며, 약한 충격에도 표면이 쉽게 벗겨지는 폐단을 갖게 된다.The aluminum ingot is cast into a press and processed into a wheel shape, followed by surface grinding and cutting, followed by cleaning and heat treatment, and then painting the surface with paint. It is over. The aluminum wheel by the coating treatment method performed as described above does not have high adhesion, and does not have high abrasion resistance, thereby easily causing scratches on the surface, and has a closed end where the surface is easily peeled off even with a weak impact.
이하 본발명에 의한 알루미늄휠 제작 및 도금에 의한 표면처리 과정을 설명하면 다음과 같다.Hereinafter, the surface treatment process by manufacturing and plating the aluminum wheel according to the present invention will be described.
알루미늄 잉곳(ingot)을 프레스로 주조 가공하여 휠형상으로 가공한 것을 1차 표면연삭 및 절삭가공을 수행한 후, 세척건조 및 열처리 가공을 수행한 후, 도료로 도장한 다음 표면을 건조시킨 후, 통상의 건식도금을 통해 알루미늄휠을 도금처리토록 하는 것이다.After casting the aluminum ingot with a press and processing it into a wheel shape, after performing primary surface grinding and cutting processing, performing washing drying and heat treatment, painting with paint, and then drying the surface, In general dry plating, the aluminum wheel is plated.
이와 같은 본발명은 종래와 같이 2차, 3차의 정밀한 표면 연마공정을 수행하는 대신에 도료로 도장토록 한 것으로, 도장을 통해 종래 2차, 3차에 걸쳐 수행하던 표면 연마공정을 대신토록 하므로 말미암아 제작원가의 절감은 물론 생산공정이 간단하며, 단시간에 알루미늄휠을 제작 및 도금처리 할 수 있게 되는 것이다.The present invention is to be coated with a paint instead of performing the second and third precise surface polishing process as in the prior art, so that instead of the surface polishing process performed in the conventional second and third through painting, This reduces manufacturing costs and makes the production process simpler, allowing the aluminum wheels to be manufactured and plated in a short time.
또한, 상기 도금방법에 있어서도 종래에 있어서는 습식도금에 의한 Cr도금만 행하여 그 색상이 단조로웠으나, 본발명에 있어서는 건식도금 방식을 채택함으로 말미암아 습식도금보다 훨씬 양호한 내마모성 및 밀착성을 얻을 수 있게 되며, 도금재료에 따라 Cr도금, TiN도금, TiCN도금등을 자유롭게 행할 수 있어 알루미늄휠의 색상을 회색, 금색, 갈색등과 같은 다양한 색상을 얻을 수 있게 된다.In addition, even in the above plating method, in the prior art, only the Cr plating by wet plating was used, and the color was monotonous. However, in the present invention, by adopting the dry plating method, it is possible to obtain much better wear resistance and adhesion than wet plating. According to the plating material, Cr plating, TiN plating, TiCN plating, etc. can be freely performed, and various colors such as gray, gold, brown, etc. can be obtained.
또한, 도금처리를 수행하므로써 알루미늄휠은 완성되어지나, 필요에 따라 이를 다시 투명도료로 도장처리를 하게 되면 보다 완벽한 제품을 얻을 수 있게 된다.In addition, the aluminum wheel is completed by performing the plating treatment, but if necessary, the aluminum wheel is again coated with a transparent paint to obtain a more perfect product.
종래 도금한 알루미늄휠이 도장한 알루미늄휠보다 외관의 화려함, 경도성, 내마모성, 밀착성등등 모든 면이 뛰어나나 워낙 제작단가가 비싸 현실적으로는 제작함에 어려움이 있는 바, 그 이유는 도금을 하려면 도금하기 위한 전단계로서 아주 고운 표면을 요구하기 때문에 필히 고도의 연마과정을 거쳐야 한다. 그러나, 알루미늄 특성상 알루미늄 표면을 아주 곱게 연마하려면 연마비용이 워낙 고가로 소요되기 때문에 엄두를 낼 수가 없는 것이다.Conventional plated aluminum wheels have all aspects such as appearance, hardness, abrasion resistance, adhesiveness, etc. are superior to the aluminum wheels coated, but the manufacturing cost is so expensive that it is difficult to produce in reality. As a preliminary step, a very fine surface is required, so it must be highly polished. However, due to the nature of aluminum, very fine polishing of the aluminum surface is very expensive and can not be done.
따라서, 본발명은 이를 해결하고자 한 것으로, 연마과정을 생략하고 이를 도장과정으로 대체한 것으로, 도장을 하게 되면 연마 못지 않은 고운 표면을 얻을 수 있기 때문이다. 즉, 본고안은 도금하기 위하여 필요한 고운 표면을 얻기 위하여 행하여지는 연마 대신 도장을 함으로서 연마한 것 만큼 고운 표면을 얻을 수 있는 것이며, 만약 도장을 한 면이 아주 매끄럽지 못할 경우는 도장한 면을 다시 연마하면 된다. 이 때 도장한 면을 연마하는 것은 알루미늄 자체를 연마하는 것보다 그 비용이 1/10정도밖에 소요되지 아니하므로 아주 용이하게 행할 수 있게 되는 것이다.Therefore, the present invention has been made to solve this problem, and the polishing process is omitted and replaced with a painting process, because when the coating can be obtained a fine surface as good as polishing. In other words, in this paper, the surface can be obtained as much as the polished surface by painting instead of the polishing performed to obtain the fine surface required for plating. If the coated surface is not very smooth, the coated surface is polished again. Just do it. At this time, polishing the painted surface is very easy because the cost is only about 1/10 of that of polishing aluminum itself.
또한, 도금을 행함에 있어서도 종래에는 단순히 습식도금에 의한 Cr도금만 행하였으나, 본발명에 있어서는 건식도금을 행함으로서 습식도금보다 훨씬 양호한 내마모성 및 밀착성을 얻을 수 있는 것이며, 도금재료에 따라 Cr도금, TiN도금, TiCN도금등을 행할 수 있어 회색, 금색, 갈색등 다양한 색상도 얻을 수 있는 것이다. 한편, 상기 과정을 마치면 본발명의 알루미늄 휠은 완성이 되나, 필요에 따라 이를 다시한번 투명하게 도장처리를 하면 보다 완벽한 제품을 얻을 수도 있다.In addition, in the plating, conventionally, only Cr plating by wet plating was performed. However, in the present invention, by performing dry plating, much better wear resistance and adhesion than wet plating can be obtained. According to the plating material, Cr plating, TiN plating and TiCN plating can be performed, and various colors such as gray, gold, and brown can be obtained. On the other hand, after completing the above process, the aluminum wheel of the present invention is completed, but if necessary it is possible to obtain a more perfect product if the transparent coating once again.
이상과 같이 본발명은 통상의 도장방법과 도금방법을 결합한 것으로, 도금에 필요한 연마과정을 도장으로 대체하여 연마에 필요한 고비용을 없앰으로서 아주 저렴한 비용으로 도금된 알루미늄 휠을 얻을 수 있게 된다.As described above, the present invention combines a conventional coating method and a plating method, and by replacing the polishing process required for plating with a coating, it is possible to obtain a plated aluminum wheel at a very low cost by eliminating the high cost required for polishing.
상기에서 살펴본 바와 같이 자동차용 알루미늄 휠에는 도장을 한 알루미늄 휠과 도금을 한 알루미늄휠 두 종류가 있는 바, 도금한 것이 도장한 것에 비하여 외관상 훨씬더 화려하고, 품질도 뛰어나나 다만 제작과정에 있어서, 도금에 꼭 필요한 연마과정이 알루미늄 특성상 아주 어렵기 때문에 전체 제작비용이 너무 비싼 것이 흠이었다.As described above, there are two types of aluminum wheels for automobiles and aluminum wheels for painting, which are much more colorful in appearance and superior in quality than those for painting, but in the manufacturing process, Since the polishing process necessary for plating is very difficult due to the characteristics of aluminum, the overall manufacturing cost was too expensive.
따라서, 본발명은 연마과정을 도장으로 대체하여 연마한 것 만큼 고운 표면을 얻을 수 있도록 함으로서 아주 적은 제작비용(기존의 도금 알루미늄휠보다 약 70%이상 절감)으로 손쉽게 도금할 수 있도록 한 것으로, 종래 습식으로 Cr도금만 행한 것에 비하여 건식도금으로 Cr, TiN, TiCN도금등을 행하여 종래것에 비하여 외관의 화려함, 우수한 경도성 및 내마모성, 양호한 밀착성을 얻을 수 있는 아주 유용한 발명인 것이다.Therefore, the present invention is to replace the polishing process with a coating to obtain a surface as fine as polished, so that it can be easily plated at a very low manufacturing cost (about 70% or more than conventional plating aluminum wheel). Compared to the wet plating only, Cr, TiN, TiCN plating, etc. are carried out by dry plating, and the present invention is a very useful invention that can obtain the splendor of appearance, excellent hardness and wear resistance, and good adhesion compared with the conventional one.
Claims (5)
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| KR1019970062118A KR100252146B1 (en) | 1997-11-22 | 1997-11-22 | Surface treatment for aluminium wheel for a car |
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| KR1019970062118A KR100252146B1 (en) | 1997-11-22 | 1997-11-22 | Surface treatment for aluminium wheel for a car |
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| DE102013206645A1 (en) | 2012-11-16 | 2014-05-22 | Hyundai Motor Company | Aluminum wheel and method for its production |
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| KR100789766B1 (en) | 2007-04-09 | 2007-12-28 | 주식회사 하이.티.티 | the alloy wheel dry process gilding method |
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| DE102013206645A1 (en) | 2012-11-16 | 2014-05-22 | Hyundai Motor Company | Aluminum wheel and method for its production |
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