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In the engine area, Dongfeng Cummins exhibited 4.5L, 6.7L, and 8.9L three smart control non-EGR national six power products, demonstrating a strong national product reserves. According to Wang Chunguang, deputy general manager of Dongfeng Cummins Engine Co., Ltd., in the face of more stringent emission requirements, Dongfeng Cummins has fully prepared for the country's six product and technology reserves relying on Cummins' global leading power solutions.
Dongfeng Cummins 4.5L Country VI Products
It is reported that according to the plan of the National Ministry of Ecology and Environmental Protection, our country plans to implement the national six emission standards in phases, which will be divided into two stages of "Six National A" and "Six National B", which will be July 1, 2020 and July 2023, respectively. The implementation began on the 1st, and in part of the emission standards, "country six b" is strictly more than one time than "sixth country a". All along, Dongfeng Cummins strictly follows the requirements of production consistency, produces products that meet international and national emission standards, and is committed to creating cleaner environmental power.
Dongfeng Cummins Power Technologies uses non-EGR (Exhaust Gas Recirculation) design and is the most advanced Cummins power solution available in the world. It can take the lead in meeting the needs of the Sixth National Phase B and Euro six D emissions. Requirements and achieve excellent fuel consumption performance.
According to reports, Cummins was the first company in the world to design and promote the EGR system. As early as 2005, Cummins started the development of Euro VI technology and took the lead in using EGR+DOC+DPF+SCR emission technology. In meeting the requirements of the emission regulations, Cummins discovered that in the first generation of Euro 6 engines, due to the long-term high pressure and high temperature conditions, the EGR system has a high failure rate, causing inconvenience to end users. In 2015, Cummins succeeded in implementing a revolutionary innovation and upgrade of intelligent control technology and combustion technology, and achieved the EGR system without using it. It also met strict emission requirements and achieved better fuel consumption performance.
The three non-EGR designed S6 power products exhibited by Dongfeng Cummins adopt the DPF+DOC+SCR integrated post-processing system, which has a conversion rate of 96-99%, and significantly improves product reliability and fuel economy.
Dongfeng Cummins 6.7L Country VI Products
Wang Chunguang said that today, non-EGR design of the technical route is widely used in Dongfeng Cummins's six product development, Dongfeng Cummins non-EGR country six power formed 4.0L, 4.5L, 6.2L, 6.7L, 8.9L, 14L full range of products The line has added a new 4.0L engine, and the original 13L engine has increased its displacement to 14L. All products meet the requirements for the length and length of buses and buses under the Sixth National Emissions Regulation, as well as the power needs of light, medium and heavy trucks.
Today, digitalization and intelligence are becoming the cradle of innovation. Dongfeng Cummins continues to innovate and explore in the field of power. Dongfeng Cummins has carried out a comprehensive and intelligent upgrade of all six products and hardware products of the country. While improving power performance and reliability, it will also help users reduce the total operating cycle cost, and further improve driving comfort and safety, and achieve the best performance of all performance.
At the same time, non-EGR country six products are also improving in terms of economy, safety and comfort. In terms of economy, the emission standards have been upgraded to China VI, fuel consumption is lower than that of China 5, and the effective attendance rate is even higher. In terms of safety and comfort, the company's full range of products can use in-cylinder braking capabilities to significantly increase safety, and Further reduce engine noise and improve driving comfort.
Readings:Our company's expertise in close tolerance injection plastic molding, as well as our extensive knowledge of micromolding materials, enables us to advance the envelope of polymer science. Micromolding is one of the most difficult injection molding processes. In essence, the polymers used have "macromolecules". Handling these molecules at the tiny sizes required for micromolding is tricky because they often behave differently than they would normally do in larger applications. And, while all injection molding processes require strict tolerances, this is especially true in micromolding; Even the tiniest size change can make a part of this size unusable. Due to the unique and specialized nature of micromolding processes, we have to design new micromolding solutions for almost every project we undertake. Micromolding of very small parts naturally requires very small molds and tools. Because some of the mold pins, tool parts, etc., are only a few thousandths of an inch in diameter, even the metals we use in the mold become very fragile. Our molds and tools are manufactured using special micro-mold sources to ensure high quality and durability.
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