China's commercial vehicle transmission passed 60 years of glory
CA10 transmission achieved zero breakthrough playback: In 1956, China's first liberated medium-sized truck CA10 formally went offline. Previously, under the help of former Soviet Union experts, FAW imitated Muse-51 technology and successfully developed the 5-speed CA10 transmission. Since the transmission is not equipped with a synchronizer, the driver can control the transmission to achieve a smooth shift only by accurately grasping the corresponding relationship between the vehicle speed and the engine rotational speed.
Comments: Compared with today's truck transmissions, this transmission has been lagging behind, but at that time it made a great contribution to the starting of our truck.
Fastest 5J80T supporting off-road vehicle undergoes actual combat test Replay: In 1968, Fast, the predecessor of the Shaanxi Automobile Gear Plant, was established in Baoji. In just six years, the factory's employees used a simple hand-operated model under extremely difficult conditions. The machine tool produced the 5J80T transmission for the first generation of military SUVs in China. The first generation of military off-road vehicles equipped with this transmission participated in the counter-attack war against Vietnam and made outstanding contributions to China’s national defense and military modernization.
Comments: This transmission is the crystallization of the independent innovation of Chinese researchers in the initial stage of the Chinese auto industry, and has contributed to the development of China's heavy-duty truck transmission industry.
Big Gear's first full-synchronizer heavy-duty vehicle transmission playback: In the 1980s, most of the medium and heavy-duty automobile transmissions in China had no synchronizer installed. In 1985, Dagu introduced Nissan Chai technology and produced DC5J80T transmissions for the domestic market, supporting Dongfeng EQ153 trucks. The transmission was a mature full-synchronous heavy-duty automobile transmission at the time. Based on this product, Big Tooth successfully developed DC6J85TZ and other products according to the domestic road conditions, and quickly occupied the domestic heavy-duty transmission market.
Comments: As a representative product of China's three-axis full synchronizer transmission, the birth of this transmission has accelerated the application of synchronizer to the transmission, leading the industry trend.
FAW CA9TB(X) 160M highlights research and development capabilities to enhance playback: In the early 21st century, FAW Liberation Transmission Division successfully developed the CA9TB(X) 160M single countershaft synchronizer transmission through the introduction of Eaton technology from the United States and combined with the actual needs of Chinese users. The transmission adopts the main and auxiliary box structure. The main box adopts a unique single-fork shaft shifting mechanism to ensure more accurate shifting operations. The auxiliary box adopts pneumatic shifting to enhance product reliability. In addition, shifting gears is made lighter by assembling full synchronizers, which significantly improves the heavy-duty starting performance and fuel economy of the entire vehicle. The product has nine forward gears and one reverse gear and is a companion product for the J6 heavy truck and J5 Aowei truck.
Comments: As a key product of the commercial truck heavy truck transmission market, FAW Jiefang Transmission Subsidiary Branch marks the further improvement of the technical level of China's heavy duty truck transmission industry.
Fast 16JS240T promotes the upgrading of heavy trucks. Replay: In order to speed up the development of China's heavy-duty truck industry, in 1990, Fast developed its first-generation double countershaft heavy-duty transmissions through the introduction of technology. Since then, the company successfully developed a more advanced 16JS240T series double countershaft heavy-duty transmission through independent research and development. This series of products adopts double cone full synchronizer and “K†shaped gear modification structure. The maximum input power is 540 horsepower, the maximum input torque reaches 2400N?m, and there are 16 forward gears and 2 reverse gears.
Comments: This series of transmission has the advantages of high transmission efficiency, long service life, good fuel economy, etc. It provides a powerful guarantee for the upgrading of China's heavy trucks, and is a classic work in China's heavy truck transmission field.
FAW Liberation CA10TA (X) 190M leads the future trend Replay: On July 15 this year, the CA10TA (X) 190M twin countershaft heavy-duty transmission developed by FAW Liberation Transmission Division was officially put into production. The product adopts seven patented technologies, including the auxiliary box synchronizer structure and gear correction. By increasing the torque and speed ratio, the vehicle can better balance the hill-climb performance and high-speed performance. The transmission has 10 forward gears, input torque of 1600 ~ 1900N? m, suitable for matching 230 ~ 310kW engine.
Comments: The advent of this product in the enrichment of China's double countershaft heavy-duty transmission product camp at the same time, marking China's transmission enterprise independent innovation ability. Stooth teeth S6-90 improves the reliability of passenger cars. Replay: At the end of the 1980s, in order to meet the increasingly prosperous needs of China's road passenger transport market, Haoya successfully developed the S6-90 road passenger car transmission by introducing German ZF technology. The transmission has six forward gears and one reverse gear and is suitable for road passenger vehicles with a total length of 10 to 12 meters and an engine power of 185 to 235 kW. Up to now, the first passenger trains equipped with S6-90 transmissions have reached 1 million to 2 million kilometers in length, and there have been no major breakdowns. Comments: The S6-90 transmission is known for its reliability. It is a classic product in the field of passenger car transmission in China and has contributed to the development of the passenger car industry in China.
Heavy truck AMT successfully installed commercial vehicle replay: In December 2008, Sinotruk and WABCO jointly developed the “Intelligent AMT†16-speed electric transmission. The transmission is equipped with a set of electronic control system on the basis of common manual transmissions, which realizes computer-controlled shifting instead of manual shifting, which significantly improves the safety, reliability, fuel economy and comfort of the heavy truck equipped with the transmission.
Comments: The AMT transmission is a representative product of Sinotruk's re-innovation on the basis of digesting and absorbing advanced foreign technologies, marking a leap in the shift from "manual" to "automatic" in China's heavy-duty truck transmission industry.
Application of excavator hydraulic cylinder:
The hydraulic cylinder of an excavator is an important component, mainly used to control the movement of the excavator's mechanical arm, stick, bucket head, and other parts. Specific application scenarios include:
1. Construction engineering: Excavator hydraulic cylinders can be used for excavation and transportation of earthwork, excavation of foundation pits, road construction, pipeline laying, and other construction projects.
2. Mining: Excavator hydraulic cylinders can be used for ore mining, blasting, transportation, and loading in mining.
3. Agricultural production: excavator hydraulic cylinder can be used for Land consolidation, irrigation and drainage, ditch excavation, crop harvesting and other work in agricultural production.
4. Hydraulic engineering: Excavator hydraulic cylinders can be used for river dredging, embankment construction, reservoir construction, and other work in hydraulic engineering.
5. Garbage treatment: The excavator hydraulic cylinder can be used for garbage cleaning, compression, transportation, and landfill in garbage treatment.
In summary, excavator hydraulic cylinders are widely used in various engineering and production fields, and are important tools for improving work efficiency and production efficiency.
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