Transmission Gear
Transmission Gear
Do You Wonder What An Automatic Transmission Is?
Most cars sold in the United States since the 1950s have been equipped with an automatic transmission. Automatic transmissions are great for those of us that just want to drive. Period. They are a mystery to most of us, and we've always relied on the competence of the manufacturer that it would work without a hitch. If the transmission failed, we took it to our friendly, neighborhood mechanic and hoped that it could be repaired.
Performance enthusiasts are all about the fact that auto transmissions have gotten smaller, generate more speeds and that they now require greater gear precision. For the non-enthusiast, it's all Greek-speak. They might be cognizant of the fact that there are two types of transmissions, and that they are manual or automatic transmissions. That's about it.
Automatic transmissions allow you to switch gears just like manual transmissions. An automatic transmission is a car's gearbox changing gear ratios automatically as the vehicle moves.
For the rest of us, a simple explanation or two might be in order. The gear ratio is the relationship between the number of turns made by a driving gear to complete one full turn of the driven gear, and the gear box is your transmission.
The primary job of an automatic transmission is to allow the engine to operate and control a range of speeds while providing a wide range of output speeds. It uses something called a planetary gearset to accomplish this, and without it, your car would be limited to only one gear ratio or gear that would need to be set to the drivers desired top speed. The gear would need to be permanently set and subsequent efficiency would be dramatically diminished as a result. For instance, if you wanted to go 75 miles an hour, you'd need to have your car permanently set in third gear even when you were going at 10 miles an hour.
There are some obvious differences between a car with an automatic transmission and a manual transmission model. There is no clutch or third pedal, just gas and brake, no Gear Shift and once you put in drive, everything is automatic. It could be considered boring to manual transmission drivers, but to automatic drivers, manual transmissions are a pain if not impossible to master.
Nowadays, car manufacturers have taking the automatic transmission one step farther in that the engine and transmission management computers are now integrated, It has allowed the manufacturer to include refinements like retarding the ignition during gear changes to give smoother movement. Up until recently automatic transmissions have had a set selection of possible gear ranges. Recently manufacturers have begun to make continuously variable transmissions or CVTs. These can change the ratios over a range rather than between set gear ratios.
Automatic versus manual transmissions is also geographic. There are more automatic transmission drivers on the East and West Coast than in the heartland.
On the whole, it's a matter of taste. Automatic transmissions get worst gas mileage, and manual transmission replacement is supposed to be cheaper overall. But even that is now a grey area. There are pros and cons on each side, but it basically comes down to whether you like tea or coffee. Manual or auto. It's more about choice than necessity nowadays.
About the Author
Alex Olson is a real expert when it comes to automotive issues. She will provide you with all necessary information about auto transmission and will give you an extensive insight, reviews, tips, guides and recommendations on this item.
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China To Build 10 Billion Qijiang Gear Industry Clusters
Qijiang County, Chongqing Municipality gears professional associations has recently been officially awarded the "China's western gear city" title. Naming awarding ceremony, the Qijiang county party secretary Wang Yue said that the acquisition of title is not only the success shown by blending, but also new challenges. The awarding ceremony will be named Qijiang County, including the gear industry, new-type industrialization, including a new opportunity to mention stall speed, a new starting point.
It is reported that the gear industry in the future development, the Qijiang County, will accelerate the implementation of the "Please come in and going out" strategy and make full use of both international and domestic markets and resources, improve industrial planning, increase the intensity of the gear industry support go all out to offer better service, and strive to 5 years or so to build a 10 billion Qijiang gear industry clusters, to the west Qijiang become the largest auto parts supplier.
Strong industrial base
According to reports, Qijiang gear industry has 70 years of development, environmental protection, especially in the last 10 years of rapid development. To Qijiang Gear Co., Ltd. as a leader, Qijiang County now has manufacturing enterprises large and small gear 168, on the size of nearly 100, the production of automotive gear skilled workers more than 20,000 people, have an annual output of various kinds Transmission assembly more than 200,000 units, automotive axle nearly 70 million pieces, all kinds of automobile gear nearly 20 million capacity. Relevant local officials said, according to the county industrial environmental statistics, which the country is absolutely in a "boss" position.
At present, the Qijiang already has the country's largest car bridges and wheel-side reducer manufacturer - Qijiang Changfeng Automobile Gear Co., Ltd., the country's largest car axle manufacturer - Qijiang Automotive Axle Plant, the National Top Ten gear brands - Qijiang strongly God Gear Co., Ltd., and exports more than 90% of the Qijiang Bridge Box Gear Co., Ltd., a group of backbone enterprises.
Qijiang Gear products in the domestic market are also early reputation. "Dilapidated" brand transmission has become the mainstream of China's bus industry enterprises to expand the international market standard in the domestic high-end luxury passenger car market share of more than 60%, and medium-sized passenger car market share of more than 30% coverage in the heavy-duty vehicle market in China CNHTC companies famous heavy-duty truck manufacturer. Not only that, Qijiang gear is also out of the door. At present, exports of the North American market Qijiang a year more than 100 million sets of differential gears, Qijiang gears and gearbox have been firmly occupied Vietnam, Thailand, Malaysia and other Southeast Asian countries, automobile parts market, Qijiang gear in the export in the Middle East, Southeast Asia, West Asia, North America, Africa and other regions, has recently also succeeded in penetrating the EU market.
In Qijiang County, "Western Gear city" declared the report of the evaluation process, many industry experts on the Qijiang gear industry has a long environmental protection, branding, technology advantages and market share are fully affirmed. Gear professional associations, said the Secretary-General Wang Sheng-tang, Qijiang has become China's highly centralized processing enterprises gear one of the areas, to create the "Western Gear city" in line with the direction of developing the western region.
Consists of five "feel good"
In the awarding ceremony, named after the Qijiang County held a "town-building in West China Development Strategy Seminar gear," industry experts from China gears, gear manufacturing related business representatives and local leaders gathered in a total of-business "in China's western gear city "construction and development.
It was felt that Qijiang gear industry in facing the future development of the five "good" condition.
One brand advantage. Qijiang industry is the old industrial base in Chongqing, an important part of environmental protection has a long and decades of accumulated experience, as well as pride in the brand: the nation's first gear was born in Qijiang; Qijiang and the production of automobile transmission gears, shafts and other products, in addition to for the local mini-cars, medium and heavy vehicles matching things, the national large and medium sized Qijiang of OEM auto parts are complementary, in order to enjoy a high reputation, "Qijiang", "long", "Qi-Ling" and other brands mainly the "Qi" character as the representative of gear products in the national and international markets enjoy a high reputation.
Second, the resource advantages. Qijiang is a famous hometown of coal and iron, coal, recoverable reserves of more than 1 billion tons, according to an annual output of 10 million tons in computing the 100 years of mining, hydropower reserves of 100 thousand kilowatts can be used, natural gas Fragrance Tong Gas Field put into operation, adding a new Sheng Gas Field day for the amount of up to 300,000 cubic meters or more. Qijiang There are abundant iron ore resources, iron ore reserves of 21 million tons, quartz sand, marble, calcite is more abundant reserves.
Third, regional advantages. Qijiang is located in Chongqing City, the main passageway to the sea and the city's major three-ring node is only a half hour's drive from the main city. On the one hand convenient traffic, two national highway, the two railways, two special railway lines, as well as inland water transport; the other hand, the main city there is a certain distance, three-dimensional climate significantly, environmental protection, larger capacity, the main city of the layout of the plant should not be Qijiang County is the best development in the zone, is the main city of retreat into the three companies of the two first choice.
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