Hualong Network News (Xu Chuan) In 2024, Changan Automobile will join hands with Huawei, China Unicom and other enterprises to integrate the industry’s advanced digital transformation methodology and technology, and build a global 5G digital intelligence AI flexible super factory in Yubei District, Chongqing – Changan Automobile Digital Intelligence Factory, making every effort to create a "new benchmark" for intelligent manufacturing and showcase the cutting-edge achievements of intelligent research. On the afternoon of July 19, the intelligent variable new car (one car arrives in multiple cars, traveling into "SUV form", commuting into "coupe form", loading into "pickup form") – Changan Qiyuan E07 and Transformers made a major appearance at Changan Automotive Digital Intelligence Factory. Through live broadcast, Transformers and Changan Automotive engineers led users into the six workshops of final assembly, painting, welding, stamping, die casting, and battery, uncovering the mystery of hard core intelligent manufacturing, and jointly exploring the hard core strength made in China.
Future automotive intelligent manufacturing new highlands, exploring the six workshops of Changan Automobile Digital Intelligence Factory
The reason why Changan Digital Intelligence Factory is able to be exclusively responsible for the production of high-end Digital Intelligence vehicles is not only due to Changan Automobile’s 40 years of profound experience in vehicle manufacturing, but also the continuous investment and innovation in the field of intelligent manufacturing, as well as the comprehensive introduction of new technologies.
The stamping workshop is the first step in automobile manufacturing. At present, the stamping production line of the stamping workshop of Changan Shuizhi Factory has been 100% automated. It is the first steel and aluminum mixed production line of Changan’s own brand, which can flexibly respond to the production needs of different materials – steel and aluminum plates. The stamping line tail adopts the "online AI quality inspection + offline quality inspection" comprehensive inspection scheme. The AI quality inspection algorithm is deployed through the cloud. The industrial camera trained by machine vision completes the all-round quality inspection of the product and information entry in 1 second. With the application of edge algorithm for real-time detection of hundreds of quality control points, the automation and accuracy of quality inspection are greatly improved.
After the upgrade of the welding workshop, the degree of automation of the workshop has been increased to more than 95%. A total of 185 welding stations and 471 automated robots are widely distributed throughout the workshop to improve the accuracy of welding operations and improve the strength of the body by introducing a large number of new aluminum alloy riveting processes. At the same time, for the strength of the body side wall, the stamping workshop adopts the industry’s advanced integrated thermoforming technology to increase the strength of the side wall inner panel to 2-3 times that of the ordinary car side wall inner panel.
With the support of a series of advanced technologies, a new generation of safety body of Changan Qiyuan E07 has been created. The proportion of high-strength steel and aluminum alloy is more than 90%. All the car bodies and even the front cover are made of all-aluminum alloy, which greatly enhances the lightweight of the vehicle and greatly enhances the durability and safety of the vehicle.
Changan Shuizhi Factory has the first fully automated flexible and unmanned die-casting production workshop in China, mainly including melting, die-casting, post-processing, machining, and assembly processes. It has four 7700-ton die-casting machines. Changan Qiyuan E07 adopts the industry-leading front and rear integrated die-casting process, which realizes the integration of 163 parts into 2 parts. The casting time is only 110 seconds. It pioneered the die-casting process of one mold and two pieces, which can realize the separate design of bumper parts and integrated die-casting parts. Through the slow connection of the mechanical structure, it is guaranteed that the car will not hurt the integrated castings in conventional collisions and reduce the maintenance cost after collisions. Through the application of integrated die-casting technology, the weight of the Changan Qiyuan E07 vehicle is reduced by 20%, the control is more agile, and the response is more active. At the same time, twist The stiffness is increased by 24%, the bending stiffness is increased by 23%, and the collision energy absorption efficiency is increased by 54%. The vehicle meets the stringent 2024 version of the C-NCAP five-star safety standard.
The painting workshop of Changan Shuizhi Factory has innovatively introduced the first water-based environmentally friendly 3C2B process coating line in Changan. This cutting-edge technology not only greatly improves product quality, but also makes significant breakthroughs in environmental performance. Its unique 3C2B "three sprays and two drying" technology has significantly improved the pass rate of coating inspection compared with the traditional 3C1B "three coats and one drying" process, and the adhesion, corrosion resistance, film hardness and durability of the car paint have been greatly improved, even under high temperature exposure. In addition, Changan Shuizhi Factory has also carefully selected water-based coatings, which can effectively reduce organic emissions compared with traditional solvent-based coatings, and are more in line with the current environmentally friendly and low-carbon production trend.
The painting workshop is also equipped with advanced gluing ISS robots and LASD robots, which further improve production efficiency and product quality. With its fine workmanship, the ISS extrusion robot effectively reduces the quality problems such as unsealed and waste glue that may occur during the manual extrusion process, ensuring the accuracy and consistency of gluing. At the same time, the LASD robot uses liquid damping glue, which performs well in sound insulation and heat insulation, significantly improving the comfort of the car. Compared with traditional damping materials, liquid damping glue has the advantages of light weight and low odor, and can effectively improve the quietness of the cockpit, thus creating a more peaceful and comfortable driving environment for passengers.
It is with these advanced spraying processes that Changan Qiyuan E07 has a colorful 7 body colors to meet the personalized needs of different users, and first enjoy the user’s on-site zero-distance experience of the latest off-line matte car paint vehicles.
The battery workshop, the birthplace of Changan Qiyuan E07’s powerful energy nuclear source "Admiralty Battery", has a fully automated battery packaging production line, high-level laser welding technology in the industry, and integrates four core processes such as assembly, gluing, welding and testing. With 235 sets of cutting-edge equipment, 100% automated production has been achieved in the pre-assembly section, and the pre-assembly area has been fully automated. It is the largest black light factory in Asia, demonstrating the strength of Changan Digital Intelligence Factory. " Golden Bell Jar "The battery is made of military-grade basalt nano-thermal insulation material, which realizes 100% thermal suppression to ensure that the battery pack does not smoke, fire or explode; CTV integrated integration technology, the battery is integrated with the chassis, which not only improves the safety of the body and battery, but also provides more space for the interior layout; 800V high-voltage fast charging technology, charging for about 15 minutes can achieve 365Km battery life, cutting-edge technology brings E07 super long battery life and ultra-fast charging strength, Changan Digital Intelligence Factory is the confidence and guarantee of E07 super safety.
With a length of 5045mm, a width of 1996mm, and a height of 1640mm, Changan Qiyuan E07 has started its journey of injecting soul and flesh through the sky corridor between painting and final assembly. Some people describe this place as like Iron Man’s "Ark Reactor", where Iron Men will endow the steel shell with wisdom, super sense, agility and warmth. They are ready to go to thousands of households and the future of digital intelligence.
Step into the modernization of the final assembly workshop, next to the digital intelligence production line, you can see the spectacular scene of efficient collaboration. 1 minute, 1 digital intelligence new car, this is the speed of the Chinese car era. Following the direction of Changan Qiyuan E07, we can see from agile sensing, integrated control to super computing power to realize the central ring network architecture with minimalist wiring harness arrangement, bringing higher vehicle control safety redundancy.
Do you want to know where the elegant interior of Changan Qiyuan E07 debuted? Right here, our "interior line" area Changan Qiyuan E07 will carry out exquisite and elegant to the end! The main and auxiliary first-class zero-gravity seat supports functions such as electric adjustment, memory, ventilation, heating, massage, etc., bringing ultimate enjoyment to the driver and passenger. The space handle steering wheel adopts special environmentally friendly materials, which feels warm and comfortable to the touch. The 15.4-inch sunflower screen restores real-world colors and matches the eye protection mode to keep users away from vertigo; the 16:9 passenger sun visor is an exclusive entertainment large screen, and the size ratio is more suitable for users to watch movies in full screen. Equipped with up to 18 stereo surround speakers, the interior space becomes a hall of audio-visual feast. In addition, the rear-mounted 3D-ROM allows for both office and entertainment.
Sensing + supercomputing + control are the three elements of smart driving. Qiyuan E07 comes standard with 11 cameras, 5 millimeter-wave radars, 12 ultrasonic radars, and 2 lidars, which are precisely assembled in the final assembly workshop. In addition, Qiyuan E07 supports any type of small obstacle monitoring (30cm * 30cm * 30cm) larger than 100 meters, with a farther distance and more accurate perception. At the same time, it can generate road topology in real time, intelligent obstacle avoidance and obstacle circumvention, 300P FLOPS learning and training computing power, automatically process 1600 kilometers of data for model training every day, and achieve a model iteration in 5 days, which is definitely at the upstream level in the new energy industry.
In terms of software, Changan Qiyuan E07 is enough to set off "national car worship", and Cybertruck has a central ring network architecture, which brings higher vehicle control safety redundancy.
In addition to factory visits, first-class users also participated in driving evaluation activities. The Changan Qiyuan E07 throttle responded positively. Equipped with a dual-motor four-wheel drive system with a peak power of 440kW and a peak torque of 645Nm, the acceleration capacity of 100 kilometers can reach an amazing 4-second level. The air suspension can achieve adjustable height of 90mm and stepless adjustment of soft and hard, adapting to various road conditions and driving style preferences. The all-aluminum alloy chassis, double fork arm front overhang and R-EPS steering system bring a delicate steering feel and stable cornering posture. The whole car uses double-layer sound insulation glass and a large number of silent materials to isolate most of the wind noise and road noise, and the driving silence is comparable to that of a million-class luxury car. The Changan Qiyuan E07 is first equipped with the high-level intelligent driving assistance system independently developed by Changan Automobile. When parking, it can automatically identify the parking space and choose the empty space to park. The whole process is fast and smooth, and the subsequent functions such as valet parking and high-speed navigation are also worth looking forward to!
Digital intelligence leads the future and makes a leap towards a better future
As a new achievement of Changan Intelligent Manufacturing, Changan Automotive Digital Intelligence Factory has provided advanced and valuable practical experience for the transformation of China’s automobile manufacturing industry, and is expected to become a new high ground for future automotive intelligent manufacturing.
Thanks to the intelligent variable hard power and high-end intelligent manufacturing empower, the "intelligent variable new car" Changan Qiyuan E07, which has pioneered the industry, has three body variable functions of "SUV, pickup truck, coupe", a solid quality foundation and an integrated super-intelligent experience. It is expected that its starting price will not be less than 300,000 yuan. In the future, Changan Automobile will uphold ingenuity, launch better quality and epoch-making products, and lead China’s automobile industry to climb to the peak with excellent technology.
