Automatic transmissionIt's modernCarsAn important part of, for:CarsPerformance and driving experience play a vital role. And in the world, mainstreamAutomatic transmissionThere is an AT (automatic transmission).cvtContinuously variable transmission) and DCT (dual-clutch transmission). However, despite thatDCT dual-clutch transmissionIt can achieve the advantages of fast shift and high-efficiency transmission, but the acceptance in foreign markets is relatively low. However, in the domestic fuel vehicle market,Dual-clutch transmissionBut to surpass the at andcvtBecome the most mainstreamGearbox。Why is this happening?This article will analyze this issue.
AT gearboxProduction and sales in the market** have become one of the main factors restricting its development. It is capable of producing more than 6 speeds worldwideAT gearboxThere are not many of them, including GermanyZFand JapanAisin SeikiIt is the brand with the most market share. However, both Germany and Japan have been reluctant to put these high-end for some timeAT gearboxSold to domestic car companies. In addition,AT gearboxThe ** is relatively high, especially in the high-level 8th gear and aboveAT gearbox, resulting in its batch assembly is more expensive, but also limits its popularity in the domestic market. In addition, someGearboxGiants have passed patent barriers, making it impossible for many domestic car companies to design and produce independentlyAT gearbox
GearboxHow giants restrict the design and production of domestic car companies through patent barriersAT gearboxof?
cvtAs one of the world's top threeAutomatic transmissionAt present, the installed capacity in the world has reached 15 million units, which is characterized by simple structure, low cost, good ride and low fuel consumption. However, due tocvtThe static friction transmission is adopted, the transmission efficiency is low, and it can only be assembled on the low-end models due to the limited structure. In addition,cvtThe motion performance is relatively poor, and the cone wheel needs to be controlled by hydraulic pressure during rapid acceleration, which limits the power response of the engine, so the instantaneous power response is average. In addition, due tocvtThe torque is limited by the tolerable torque of the steel belt, mostlycvtGearboxIt can only be assembled in small and medium-sized sizesDisplacementcar model.
Relative to at andcvtGearboxDual-clutch transmissionIt has the characteristics of better driving experience. It uses a dual clutch instead of a torque converter, and is automatically combined and separated through the electronic control system, with fast shift speed, high transmission efficiency, low fuel consumption, good sports performance, etc., which is very in line with the domestic consumer pairCarsPower requirements. In addition,Dual-clutch transmissionThe production design threshold is relatively low, and there are no patent barriers, which reduces the production cost of domestic car companies.
Dual-clutch transmissionRelative to at andcvtGearboxWhat is the threshold for production design?
However,Dual-clutch transmissionThere are also some drawbacks and application limitations. First of all,Dual-clutch transmissionThe manufacturing process is more complex and requires a higher level of technology and process requirements, so the manufacturing cost is relatively high. In addition,Dual-clutch transmissionThe durability is relatively poor, and it is prone to breakdowns and high maintenance costs. In addition,Dual-clutch transmissionIt is better to have a sense of frustration when driving at low speeds and when startingAT gearboxSmooth, which is also an aspect that some consumers are not very happy with. Finally, due toDual-clutch transmissionThe development is relatively late, and the domestic related technology and supporting industry chain are relatively imperfect, which is also limitedDual-clutch transmissionApplications in the high-end market.
In the domestic fuel vehicle market,Dual-clutch transmissionhas become mainstream. This is mainly due to the high domestic requirements for fuel consumption and power responseDual-clutch transmissionThere are clear advantages in this regard. In addition, domestic car companies are inDual-clutch transmissionA lot of investment and research and development have been carried out in technology, which has greatly improved its performance and reliability. At the same time, domestic car companies have also passed withGearboxThe cooperation and mergers and acquisitions of giants have obtained relevant technologies and resources, and improved the ability of independent design and production.
However, domesticDual-clutch transmissionThe market is also facing some challenges. First of all, the demand for high-end and luxury models in the domestic market is growing, whileDual-clutch transmissionThe application in this area is relatively limited. Secondly, with the new energyCarsThe development of traditional fuel vehicles has gradually shrunkDual-clutch transmissionThe demand may be reduced. In addition, the international market for:Dual-clutch transmissionThe acceptance of domestic car companies is still low, and domestic car companies are still facing some in terms of exportsobstacles
AlthoughDCT dual-clutch transmissionThe acceptance in the international market is relatively low, but in the domestic fuel vehicle market, it has surpassed AT andcvtBecome the most mainstreamGearbox。This is mainly due to the high domestic requirements for fuel consumption and power responseDual-clutch transmissionThere are clear advantages in this regard. At the same time, domestic car companies are inDual-clutch transmissionA lot of investment and research and development have been carried out in technology, which has greatly improved its performance and reliability. Although domesticDual-clutch transmissionThe market is also facing some challenges, but overall,Dual-clutch transmissionIt has great potential for development in the domestic market.