2021-07-24
Pay attention to Tesla’s friends. You should all know that the world’s largest body die-casting machine has been operating in the California plant a few days ago to produce Model Y. The integration of the lower body into a single casting is the biggest recent optimization of Tesla’s electric vehicle production process. .
This change will help increase factory capacity, but the reason is not only that, the new "integrated molding" technology also directly improves the car owner's experience, such as becoming quieter, safer, and even improving power consumption performance.
1 Eliminate the abnormal noise of the vehicle
The introduction of the new die-casting machine, to a certain extent, also echoes the "first principle" that Musk often said: solving the problem from the fundamental source. By optimizing the production of the "one-piece molding" of the rear lower body, the casting parts can be simplified from more than 70 to the final one, and a single casting can replace the welding and bonding of multiple parts. Tesla believes that this not only shows production efficiency, but also solves the problem of vehicle noise from the source, and Model Y will be quieter.
2 Improved safety
Tesla has won praise in many vehicle safety evaluations around the world in the past. For example, Model 3 won the US NHTSA five-star, EU NCAP five-star, and the American Highway Safety Insurance Association IIHS test "Top Safety Award", and Model Y has Chances are even higher.
After the introduction of the die-casting machine, the Model Y rear lower body is generated from molten aluminum through the world’s largest 6000T die-casting machine. It has a more highly integrated modular design, which increases the force area of the anti-collision beam, thereby improving the performance of the body. Improve collision safety performance by more than 20%.
3 Increase the cruising range
The one-piece molding process reduces redundant parts, thereby reducing vehicle weight. Tesla said that the new castings have reduced the weight of Model Y's rear lower body assembly by about 30%. After being slim, Model Y will have better power consumption performance than before, and further increase the driving range.
4Save production resources
The last feature has nothing to do with car owners, but it is still a topic of concern. The traditional die-casting process will generate 50% waste, and Tesla’s one-piece casting press uses nearly 100% of the raw materials, and other aluminum plate materials can be recycled and reused, saving resources and energy from the perspective of production.
Tesla is currently operating the one-piece die-casting machine at its Fremont plant in California, USA. The newly produced Model Y can enjoy the above advantages; China will also import this die-casting equipment to the Shanghai plant. It is expected that the Chinese-made Model will be trial-produced by the end of the year. Y will also adopt a new process, and the future Berlin factory in Germany will also adopt it, so it is a comprehensive process evolution from generation to generation.
On February 2, Tesla’s official Weibo posted a video of the die-casting machine in the Shanghai Super Factory. The 6000-ton giant die-casting machine integrates the Model Y back plate into a single body, reducing the weight of the body plate, simplifying the welding process, and simplifying the complexity, thereby better improving the consistency of the Model Y products made in China.
This "black technology" can combine the original 70 parts into two large parts, and it will even be combined into one in the future. In August 2020, when Tesla CEO Elon Musk promoted the Tesla Model Y to be manufactured in Germany, he claimed that this would be "a revolution in car body engineering." Get up and watch this wonderful video.