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More than 20% of the engine's fuel-saving process, the leader of Ricardo's project, Yang Shimin, introduced that the direct-injection turbocharged engine jointly developed by Lifan and Ricardo has two models and the power can reach 1.8L and 2.0L ordinary fuel engines. ability.
"According to the design, Lifan 1.2L direct-injection turbocharged engine, the power can easily reach 115 horsepower, fuel economy is not that exhaust emissions also have to reduce about 20% to reach the Euro 5 standard." Yang Shimin said that at the beginning of the design of the parts Process and supplier requirements, this engine costs 20%-30% lower than the domestic similar engine.
Yang said that the project will be carried out in two steps. Firstly, the development of two engines with high supercharged pressure and medium and low pressure will be completed. Then the two engines will be platform-designed so that all Lifan cars can be used.
Lifan can obtain the final property rights in accordance with international practice, the development of an engine cycle is 3-4 years. However, the Lifan project will design a prototype in 15 months, then validate the engine and match it with the vehicle.
Ricardo UK is a professional service consulting company specializing in engine, transmission research and development and automotive engineering. It has more than 100 years of development history. It has long been providing research, concept design and development, industrial design and development of internal combustion systems for many automotive companies worldwide. , product car adjustment and other technical support and strategic consulting services.
“We expect the engine to be put into production at the end of the year at a small scale, and gradually assemble the Lifan series models.†Yang Shimin told reporters that Lifan Motors and Ricardo jointly formed a research and development team. “In this cooperation model, Lifan Motor can guarantee the acquisition of The ultimate property rights of R&D results can also cultivate their own R&D team.â€
Machinery for typical gearbox shell body parts, main processing plane and hole system, to ensure that the size of the hole in the process of machining precision and position accuracy, handle the relationship between hole and plane. Should follow the principle of surface before hole, namely first processing box on the datum plane, and then to datum plane positioning processing other plane, then processing hole system. Because of the planar area is large, with its positioning can ensure reliable positioning, clamping and firm, and therefore easy to guarantee machining precision holes. Secondly, cut off the casting surface uneven, create conditions to improve the machining precision of holes, facilitate and adjustment of the knife, is conducive to protect the cutting tool. Processing technology should also follow the principle of separate rough finish machining.
Lifan and British companies team up to build turbocharged engines
Small-displacement vehicles will also use turbocharged fuel-efficient engines. Lifan signed a contract with Ricardo, a British car engine research and development giant, to jointly develop a 1.2L direct-injection supercharged engine. Allegedly, this engine's power is comparable to a 2.0L ordinary fuel engine, but it saves more than 20%, and the Lifan series will be assembled around 2012.