A certain quasi-heavy truck company that has not yet listed on the market has shown a 4×2 high-end light-duty tractor to the public during a tour event. The weight is only 7 tons (curing quality), and the original theoretical weight was 6.8 tons (curing quality). At first glance, the old-eyed author thought that he was mistaken, but he took a closer look. Although a truck site has not revealed whether it is a full-height or a semi-trailer, what is the tonnage of the rated load? However, according to the author's experience in trucks for more than 20 years, this is definitely a semi-trailer that drives a 4×2 type II chassis, otherwise it will not be so “lightweightâ€.
“This is indeed a very light product in the field of domestic heavy truck light weight. This 4x2 tractor uses aluminum alloy wheels, vacuum tires, air suspension, less leaf springs, all aluminum fuel tanks, and the main structural parts of the engine adopt high-strength creep. Cast iron materials and so on, also used a lot of European sophisticated light weight technology..."
It is not clear to me how the weight of the self-proclaimed self-proclaimed vehicle is less than 7 tons. However, it was reported that "the original theoretical weight was 6.8 tons", which was only 0.18 tons higher than the theoretical value. From this, it can be seen that the difficulty of its "lightweight" has reached the point at which the magical calculations of God's machine are astounding and superb. This is simply not a person making a car, but God is building a car. However, after all, this is only a tour vehicle. If it is mass-produced in the future, will it be possible to have such excellent performance in its ultra-lightweight? Can it be manufactured? How much is the price? All are worthy of attention and waiting to be seen.
At the beginning of last year, at the end of last year, people in the society had generally questioned the lightweighting of China National Heavy Duty Truck Group Co., Ltd., but the words of Mr. Cai Dong, General Manager of CNHTC, spurred all their doubts to swallow the doubters. , And speechless - "Heavy truck light weight heavy truck can be used to weigh the market to weigh." President Cai’s words not only have a very strong gas, but they also have a loud voice!
The weight of a Volvo tractor FE with a load of 40 tons is 7.68 tons, while most of the quality of similar models in China exceeds 10 tons. The gap between the two is more than 20%. It can be seen that the gap between China's self-owned brand trucks and imported cars is relatively obvious. Lightweight technology is of great significance for promoting China's self-owned brand vehicles to achieve energy conservation and emission reduction. At the same time, the weight of the truck, China's own brand vehicles than the similar foreign models of poor safety 2-3 levels is also obvious facts.
The words of Volvo's foreigners are credible, and the words of General Motors Cai Zhong are credible, but why the industry has always been skeptical about some of the current advertisements for advertisements, and even believe that it is not reliable and it is not enough for the public to blow. Yes, but if you don't get the scientific basis data that experts believe, then after mass production, you can only "move yourself with your own feet!" To be a truck company is to adopt a scientific and rigorous attitude, rather than Langzhong, who sells dog skin plasters like the fluctuating rivers and lakes. This is especially true for a new automobile company. The key to a scientific and realistic attitude is to survive and die in the future.
Compared with ordinary heavy trucks, lightweight heavy trucks are priced at 20,000-30,000 yuan more. This is not a small number for ordinary heavy truck users. However, lightweight heavy trucks have the advantages of low fuel consumption, high reliability, small defects, guaranteed delivery time, and low maintenance costs. These can save a lot of money directly or indirectly for users.
The recent popularity of heavy-duty heavy-duty cards is mainly due to the increase in governance overload and the implementation of weight-based charging policies. Changes in the car environment have prompted a shift in demand for the heavy truck market. Lightweight heavy trucks are very popular in certain fixed-capacity long-haul cargo areas. For example, container trucks or tanker users choose lightweight heavy trucks in many cases. They have strict restrictions on the load. These models are often difficult to overload, even if the users only occasionally Overloading may also cause damage to the vehicle. In addition to the tractor, the weight of the tanker is also lighter than the tractor, further reducing the body's weight. The lightweight heavy truck can not only save the cost of the toll road section for the owner, but also save oil and bring real benefits to the user.
At present, there are many errors in lightweight heavy trucks: the weight of the car is reduced, but it does not mean that the lighter the better! Lightweight heavy trucks are difficult to withstand overloading. The purpose of lightweighting foreign trucks is to protect the environment and fuel economy. The lightweighting advocated by China's auto companies is blindly pursuing lighter weight. The purpose is to limit overload and make money. For environmental protection and fuel economy, it has been placed second. The promotion of lightweight heavy trucks needs to be transformed. In addition, the blind pursuit of blindness blindly may cause certain manufacturers to ignore the safety of trucks. For example, European and American heavy trucks are considered to be safe when designing, and their weights are heavier.
Therefore, no matter what type of vehicle is first used today to achieve weight reduction, or what kind of technical means to achieve lightweighting, consumers should look at the term correctly, and do not regard lightweighting as a “money making methodâ€. The cost of car purchases and the cost of car use are heavy, and they need to be measured by users themselves. The lightweight design and lightweight production of trucks are of great significance to the development of China's heavy truck industry today and in the future. However, the issues that deserve attention and attention at the moment are: Heavy trucks can't be sold to the extent that they cannot sell cars. Sing and sing and sing.
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