[china aluminum industry network] Chery Jaguar Land Rover Changshu production base as Jaguar Land Rover earlier in the UK outside the local vehicle manufacturing base, since the establishment of its own on the original "tall" aura, attracting the attention of countless people inside and outside the industry. In April 2016, a domestic aluminum body shop was completed and a brand new Jaguar XFL with a body alloy application ratio of 75% was produced. The body structure weighed only 297 kg, which is much lighter than Other vehicles in the same class.
“Why is it 75% instead of 100%?†during a recent “Aluminum Technology Journey†event held by Jaguar Land Rover, Chen Xuefeng, executive vice president of Chery Jaguar Land Rover Motor Co., asked the media himself, “Actually, we must do 100 % is not difficult, but in order to give consumers a better driving experience, we need to carry out front and rear axle mass distribution on the parts of the car to achieve a 50:50 front and rear weight design, so that the vehicle has a stronger control Sex and performance, steering accuracy, better control and more flexibility."
It is understood that the new Jaguar XFL applied 100% self-piercing riveting and structural adhesive technology in its production process. The advantages of these two technologies are that the riveting technology does not need to reserve holes and can be directly powered by the servo motor to directly press rivets into Riveted plates and riveted plates are plastically deformed under the pressure of the rivets and rivets, filling the rivets. The body constructed in this way has higher fatigue resistance and static fastening force, and the vehicle can withstand longer and more violent collisions when the vehicle is subjected to external impact. The use of structural adhesive technology can increase the strength of the car body connection to 2 to 3 times that of riveting strength alone to create a lightweight, sturdy, smart aluminum body structure.
The completion of the production of such a vehicle is mainly in the Chery Jaguar Land Rover aluminum body shop, which has 335 robots, of which the number of self-piercing riveting robots is as high as 232 sets, which is more domestic and can realize the intelligent aluminum body structure 100 %Automated manufacturing.
In addition, what is unique about the aluminum technology of this all-aluminum workshop and Jaguar Land Rover? In the future, Jaguar Land Rover will have a layout for the application of aluminum technology and lighter technology exploration. In response to these problems, the reporter interviewed Mr. Dai Murui, President of Chery Jaguar Land Rover Co., Ltd. and Chen Xuefeng, Executive Vice President of Chery Jaguar Land Rover Motor Co., Ltd. Mr., the following is the interview record:
How do you solve the problem of maintenance and use cost of aluminum body?
Dai Murray: Your question can be answered from three aspects. In the front, Chery Jaguar Land Rover uses an all-aluminum technology car. Its side panels and covers are very easy to repair, and there is no difference from conventional car repair. Second, although the sub-assembly of the aluminum car body is made at the Changshu factory, the related parts and components have already been provided to distributors all over the country, so they can get spare parts and repairs very conveniently. Third, all of our aluminum body parts are manufactured in China and have been localized, so we have a good control over the cost.
In addition, although everyone in the conventional understanding will think that aluminum technology is a new technology, in fact, Jaguar Land Rover has been using all-aluminum body technology for a long time and has rich experience, so we have very strong strength to our partners and distributors. Full training, in fact, we have trained Chery Jaguar Land Rover dealers regarding the repair and maintenance of aluminum bodies.
What is the significance of Chery Jaguar Land Rover Phase II capacity expansion project for enterprise development?
Chen Xuefeng: Our second-phase expansion project is not large in terms of production capacity - only 70,000 units. This figure looks very small in a market of nearly 30 million vehicles, but for Chery Jaguar Land Rover, it is equivalent to At present, there is a 50% increase in the production capacity of 130,000 units in the first phase, so it means a lot to us. So why do we have such a business decision? Based on three reasons:
First of all, this is a full affirmation of our first phase of work and a sense of trust for shareholders, allowing shareholders to see our factory as a former joint venture production base for Jaguar Land Rover in China, regardless of efficiency, quality or personnel. Speaking, all are very satisfied.
Secondly, this decision also reflects our mid- to long-term strategy in China. Before 2020, we will introduce a new model every year. By 2020, we will have to break through 200,000 units. We are now advancing in accordance with this goal, and we are steadily advancing in various aspects such as production capacity, system, R&D, personnel, and products.
Furthermore, this expansion of production capacity also reflects the full confidence of both shareholders in the development of the Chinese market, Chinese customers, and the Chinese automotive industry. Through the expansion, we will continue to put our better products and newer technologies. And better service brought to China.
Therefore, the second phase of the project is very important for our next step in China's development. In 2016, we have fully implemented the dual-brand strategy, introducing both Jaguar and Land Rover brands to China and fully operational. Next, with the launch of the second-phase production capacity, it will become an important boost for these two brands to go hand in hand and increase rapidly.
Compared to Audi and Cadillac, what are the advantages of Chery Jaguar Land Rover in the development and production of aluminum bodies? What kind of position is it?
Dai Murui: Compared with Audi, Cadillac's R & D and production in the aluminum body, I think our highlights and uniqueness lies in, first of all, Jaguar Land Rover Group has a long history in the application of all aluminum body technology and has accumulated a solid Strength, many of our advanced and unique technology is not owned by other car companies, such as the advanced bonding and fastening technology of the body connection. Secondly, we just mentioned that we used a very advanced glue fastening technology in the connection, and then came to us to put forward higher requirements for the subtle and more accurate adjustment of the whole body in the follow-up. Our current technology can fully achieve this. Furthermore, our cooperation with aluminum suppliers is very close. We and Nokia, a strategic aluminum supplier and strategic partner, have jointly developed their own patented aluminum surface treatment technology. This is another automotive brand manufacturer. No.
Chen Xuefeng: I will add a few points. At the front, the Jaguar Land Rover brand should be a brand with a long history of aluminum technology. In the past, the global aluminum body sales and retention should be relatively large. Second, we have a higher proportion of aluminum body aluminum - body aluminum accounted for more than 75%, while Cadillac body aluminum accounted for only 45%. Third, our manufacturing process is very consistent. From the aluminum body shop, the main process is riveting and gluing technology, the technical program is very consistent, while other workshops use a variety of connection methods, welding, riveting, and laser welding The body is a little more complicated. Fourth, we have a very in-depth discussion with our raw material suppliers. We are not limited to connecting the vehicle body to the vehicle body. We are developing this piece of front-end materials, and we share the patent of the patented model of RC5754 with Novelis. This is rare in the industry. OEMs and suppliers collaborate on research and development of patents. At present, only Chery Jaguar Land Rover, other manufacturers have not seen.
Can the self-piercing riveting technology only be used on aluminum bodies? I have not seen this kind of connection in other companies because it is too expensive to use. Is the steel body too hard to use?
Dai Murui: Due to the special nature of aluminum, they cannot be achieved by welding. Otherwise, the efficiency will be very low and it will be very disorganized. The self-piercing riveting technology is a high-level, high-quality joining method. Compared with the traditional welding, the connection accuracy is higher. We rivet the panel. Once the riveting is completed, we can immediately know whether the accuracy is up to the mark, but if It is welding. It takes a few more welds to know if the accuracy is up to standard. In addition, the use of self-piercing riveting technology, the number of rivets will be greatly reduced.
Chen Xuefeng: To add it, the quality inspection just mentioned, if there is a case of welding, the naked eye may not be visible to the naked eye, but if you use a self-piercing riveting, you can directly observe whether it meets the standard by using the naked eye.
We know that in addition to the aluminum body, Jaguar Land Rover is still doing some other light technology explorations, such as the use of lightweight materials, can we specifically introduce the Jaguar Land Rover’s technical solutions and future product plans for lightweight exploration?
Dai Murui: As you can see, we rely on the former domestic model with all-aluminum body technology. The new Jaguar XFL is already on the market in China. In the future, we will continue to introduce more models that use the smart aluminum body structure. In the process, we will not only focus on the application of the all-aluminum body structure, but also how to better integrate or use such all-aluminum body architecture technology on other models. For example, the current Land Rover Range Rover Aurora and Land Rover found that God used a part of the aluminum parts, in which Land Rover found that the tail gate of the God line is made of aluminum, the front fender and tail gate of the Range Rover Aurora are composite plastic, and the suspension is aluminum. These are the constant optimizations and attempts we are making on the road to technological development.
With regard to technical solutions for new materials and advanced materials, we will consider from the start of designing which parts need to use high-strength steel, which parts can use aluminum, and which part of composite high-grade plastic materials will be more appropriate to find The comprehensive use of materials that are more cost-effective and more capable of embodying the lightweight advantages of automobiles is the original intention and purpose of our use of this technology. In the future, as you may be able to see, depending on each model and location, some models use a steel body structure, while others use an all-aluminum body structure.
When using lightweight technologies such as smart aluminum body technology, we will do our best to make the body weight lighter, while ensuring that our quality level is better and gives consumers more competitive prices. All the value is provided to Chinese consumers. In the future, we will adhere to such technology application and technology promotion strategies.
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