It is no exaggeration to say that Xichai's 76-year development and innovation process is the spiritual evolution history of China's "big country". It is the interpretation of quality pursuit and brand casting. This is the 76 years of continuous innovation of technology and its technical guidance. China’s 76 years of power.
On the occasion of the "National Sixth" era, on the road of "leading innovation", Xichai technology will continue to lead China's power.
76 years of product evolution history
From the perspective of product technology evolution, the history of Xichai's 76 years of development is a history of continuous innovation in domestic diesel engine technology.
As the oldest brand in the domestic internal combustion engine industry, Xichai's 76 development process enriches the history of China's diesel engine. In the 1940s, the early product of Xichai's predecessor was a straw knitting machine, which became an important helper for farmers to increase their sideline income. In 1946, a 25-horsepower single-cylinder horizontal low-speed diesel engine was born. "Old Yellow Cattle"; by 1953, the 3110 high-speed diesel engine was developed, which became the main power for agricultural and sideline products processing, ship engines, power stations, etc.; in 1966, the 4120F air-cooled diesel engine was developed by itself; in 1992, the 6110A diesel engine was developed and produced. Kaixi Chai has turned from the agricultural machinery industry to the auto industry.
Over the past 40 years of reform and opening up, Xichai's technological innovation has been on the fast track of rapid development. On December 20, 2003, China's first four-valve engine with independent intellectual property rights---Xichai Aowei CA6DL engine was born, which opened the door of China's high-end diesel engine market and formed a full-line development of high, medium and low-end products. pattern. Since its birth, Xichai Aowei has gone from L-series, N-series to M-series, from 8 liters and 9 liters to 11 liters and 13 liters. In just 14 years, the production and sales of Aowei engines exceeded one million units in 2017. It also marks the leap of China's power generation from China to China.
FAW Jiefang Engine Division Factory
In addition to the proven sales, the Xicai Aowei engine has received numerous honors. In 2004, Aowei diesel engine was awarded the honor of China's top ten internal combustion engine brand and China Automotive Innovation Award. In 2007, at the National Science and Technology Awards Conference, FAW liberated the fifth-generation Aowei heavy-duty commercial vehicle and its heavy-duty diesel engine. The development project won the second prize of the National Science and Technology Progress Award; in 2011, together with the FAW Jiefang J6 Heavy-duty Series Commercial Vehicle and its heavy-duty diesel engine developed independently, won the first prize of the National Science and Technology Progress Award. This is the domestic The heavy-duty diesel engine was first put on the national science and technology podium; in 2018, the XC6 Aowei CA6DM3 series 500-horsepower engine was launched in the liberation of JH6. In the first FAW Jieqing Qingqi online oil-saving challenge, a hundred kilometers of 24.17 was created. L's low fuel consumption makes it a champion.
Learn to know. Time flies like water, Xichai 76 years ago, from agricultural machines to world-class diesel engines, from 6110A to Aowei CA6DM, Xichai from scratch, from small to large, now relying on Aowei high-end power to rank first in the world The list.
Four lines lead the industry
At present, Xichai engine has four core products of Aowei, Hengwei, Jinwei and Conway. The four engine brands rely on their respective advantages in terms of power, displacement, acceleration performance, transmission, fuel economy and braking. It plays a leading role in technology, making Xichai not only in the forefront of the heavy-duty diesel engine industry, but also in the medium and light diesel engine market.
Xichai engine has four core products of Aowei, Hengwei, Jinwei and Conway
Xichai Aowei engine is the first heavy-duty diesel engine in China with four-valve overhead camshaft. It has the world's most advanced four-valve overhead camshaft structure and unique FCCT combustion control technology to ensure sufficient gas supply and fuel mist. Fully. The engine can inject the best amount of fuel at the optimum timing in the optimal combustion chamber space to achieve complete combustion, maximize engine fuel economy, and save fuel by 5-8% compared to similar products.
At the same time, Aowei engine also adopts FAW integrated FCRI high pressure common rail fuel system, and its ECU is developed for independent development. The oil pump and fuel injector are provided by Bosch. The fuel injection pressure can reach 2000bar, which can better atomize the fuel and bring better fuel economy.
Compared with Aowei, which is the main heavy-duty truck market, Hengwei is a product of the Xicai layout in the card market. The engine not only absorbs the world's leading advanced technologies such as Austrian AVL and German FEV, but also on this basis, the product's durability, reliability and applicability have been improved. The four-valve injector mid-structure technology can match the two-stage supercharger, which makes the engine more efficient and helps to organize combustion. The full-speed range economy and power level can be compared with the international top products.
In the light truck market, Xicai's Jinwei 4DB1 light diesel engine, as the only high-end power in China to adopt the DPF technology route (not burning urea), also leads the industry's technological innovation and upgrade. The advantage of Jinwei 4DB1 is that it is lighter in weight and lighter in maintenance, making it easier to make money. One is lightweight design. It adopts plastic cylinder head cover, aluminum gear chamber, integrated cylinder liner structure, integrated and modular lubrication and cooling structure, which is lighter in the same displacement product; the second is long oil change. According to the mileage and working conditions of the light truck users, the design uses 50,000 kilometers of the best cost-effective long oil change mileage, maintenance only needs to change the oil filter, easy to maintain; the third is to use DPF technology (not burning urea). It is the first in the industry to apply the country's V diesel mature DPF technology, lower fuel consumption and does not burn urea, becoming the first DPF technology country V engine in China to achieve mass sales.
Another light truck engine product of Xichai, Conway 4DW five-light engine, will increase the oil change cycle of domestic light machine up to 20,000 km to 40,000 km, and without the addition of urea, it can greatly reduce the maintenance cost. It is the first in China. Autonomous brand that has passed the national environmental certification.
Create a different country
In 2018, the Ministry of Ecology and Environmental Protection issued a national six emission standards announcement, and environmental protection upgrades are “imminentâ€, which poses a major test for the heavy-duty engine industry. In the face of the upcoming China VI, FAW Jiefang Engine Division has already prepared for and continues to lead the industry innovation.
FAW liberation engine processing line
In the national six technical route, Xichai adopts EGR+DPF+SCR technology, and it has better upgradeability to the sixth phase of the country, with four advantages.
One is to save fuel. The new design of the four-valve cylinder head, the body, crankshaft, connecting rod, piston, bearing and other parts are fully strengthened, and the burst pressure in the cylinder is increased by 20%. At the same time, FAW has its original distributed combustion technology and high explosion pressure technology of up to 220 bar, ensuring that the engine is fully burned, more fuel efficient and in line with international standards.
The second is to save the heart. Many systems in Xicai National Technology are autonomous. For example, ECU is a FAW autonomous system, which can better adapt to the Chinese market. The independent gas-driven urea injection system does not crystallize, users use peace of mind; adopts integrated oil cooler module, The oil cooler assembly, the oil filter and the rotor filter are integrated into one body, and the cooling effect is better. Only the filter element needs to be replaced during maintenance, and the maintenance cost is lower.
The third is to save money. Xichai Guoliu has high technical adaptability, and it inherits the matching adaptability of Aowei to the maximum extent. The accessories have high versatility and low cost of use. The installed DPF reaches 400,000 km long maintenance, and the ash is cleared only once in a year. Reduce the cost of cleaning and so on.
Fourth, emissions are low. It adopts advanced exhaust aftertreatment technology and advanced thermal management technology to effectively ensure efficient operation of the aftertreatment system and improve emission stability.
On the road of innovation to build a national brand “technical backboneâ€, the FAW Jiefang Engine Division has never stopped for a moment of progress. On the occasion of the arrival of the National Sixth, it also set a “combination of green, efficient and intelligentâ€. The overall positioning of the system's future.
In response to the “green†positioning, FAW Jiefang Engine Division will be divided into three steps: one is to continue to develop the national six engine, and the other is to develop the engine that meets the most stringent US California emission standards in the world in 2020, and the third is to To create a zero-emission internal combustion engine; for the "efficient" goal, we must focus on improving the thermal efficiency of the engine to achieve fuel-saving purposes. The first step is to achieve the goal of 50% thermal efficiency (the current release of the national six has reached 46.5%), the next step is 55%, and finally reach 60%; for the "smart" target, it must adapt to the future intelligent network technology, automatic driving development trend.
For FAW Jiefang Engine Division, “national brand, high-end power†has never been a slogan, but the mission of a national enterprise. Its 76 years of development and innovation have affected the development of domestic diesel engines, with its “leading innovationâ€. "Achieving China's dynamic "technical backbone" status, using Chinese technology to define world standards, has also become a world-class leader in power technology.
Reading volume: Source: Wuxi Diesel Engine Author: Cold autumnrubber silicone molding machine
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