Compared to ordinary cargo transportation, the transportation of dangerous goods is more profitable. Of course, the requirements for vehicles are also higher. The state's supervision is also increasingly strict. So what are the main tractors on the market that are suitable for the transport of dangerous goods? Let me give you a list: At the end of 2011, "the Ministry of Industry and Information Technology" and "Ministry of Public Security" jointly issued a "further improve the technical performance and medium-sized vans strengthen security vehicle" Bulletin "notification management and registration management of" dangerous goods transport vehicles should be required Assemble retarder or other auxiliary brake device, wherein the dangerous goods transport vehicle shall be equipped with a speed limiting device, and the maximum speed setting for the speed limiting device shall not exceed 80 kilometers. The front wheel shall be equipped with a disc brake. Therefore, tractors that want to pull dangerous goods must be equipped with disc brakes and auxiliary brakes. Disc brakes are what we commonly call disc brakes. Secondary brakes include engine brakes, retarders, and eddy current retarders. Among these devices, engine brakes are more common in China, and today we can see which tractors on the market can hold disc brakes and select engine brakes. ◠Jiefang J6 tractor Jiefang J6 series tractors can be equipped with a disc brake bridge. The CA6DN and CA6DM series engines are equipped with standard engine brakes. Among them, the CA6DN comes standard with compression release brakes, and the CA6DM standard is free to develop. For engine brake products, the engine brakes can also be selected from the CA6DL series in the second half of 2012 . Among them, the J6 55th Anniversary Edition of Liberation was a standard disk brake, but its price was more expensive. However, at the 2013 annual meeting, the tractors for the transport of dangerous goods were released. In addition to the front disc brakes and engine brakes, the GPS driving recorder, front muffler (with a fire cover), and antistatic towing belt should be used. It is completely suitable for the transport of dangerous goods. ◠Heavy truck HOWO A7 tractor China National Heavy Duty Truck has always dared to try new technologies. As a heavy-duty truck's masterpiece A7 , of course, disc brakes are not an option. Heavy- duty trucks use German-Menmann technology, and their WD615 and D10/D12 series engines are equipped with EVB engine exhaust. brake. With the rubber suspension, the four-point suspension of the A7 cab has impressive performance in terms of comfort and smoothness, and the transport of dangerous goods cannot be denied. ◠Dongfeng Tianlong tractor The Dongfeng commercial vehicle's Tianlong-type tractor has been launched earlier. Its product line is already quite mature, and disc brakes can be selected. The matching dCi series engine can be equipped with both engine brakes. The price is about RMB 6,000 . Dongfeng Cummins The 13- liter series comes standard with engine braking, but it currently has a smaller installed capacity and is mainly assembled on Tianlong high horsepower tractors. Due to the early launch of the Tianlong series, coupled with good market share, it also performed well in the transportation of dangerous goods. According to Xiaobian’s knowledge, there are more than 600 Tianlong as a danger in the domestic well-known hazardous chemicals transportation companies. Trucks. ◠Futian Auman tractor Beiqi Foton Auman series tractors have a good market share. The series models can be equipped with disc brakes. The old Auman ETX , CTX and the newly introduced GTL can be equipped with disc brakes. Weichai WP10/WP12 and Xikang series engines can select engine brakes, not to mention Mercedes-Benz OM457 GTL , with engine brake as standard. However, Xiao Bian wants to remind you that it is a model that is listed on the market such as GTL . Before you buy it, be sure to say hello. Sometimes there are incomplete announcements so as not to affect the operation. ◠Joint truck tractor As a descendant of the market, United Trucks has a relatively high starting point, adopts Germany's imported production lines, and takes high-end routes. Of course, it cannot be outdated in technology. There is no problem in matching disc brakes. Its supporting Yuchai 6K10/6K12 series engines are also equipped with The engine brake, the main 6K10 engine engine, uses a deflated brake, and the 6K12 series adopts a shrink-release brake with the highest lift power in the Bo engine brake, but the installed capacity is not high. Since the joint truck was officially launched in 2010 , its market reputation is still good, but its market share is still relatively small. There are very few dangerous goods transport vehicles for joint trucks that are seen on the market. It is understood that the joint truck also has a special focus on dangerous goods. Transport models. ◠Hongyan Jieshi tractor unit SAIC Iveco Hongyan's Jessie series models can also be fitted with front axle disc brakes. The matching Corso 9 and Corso 13 series engines are standard engine brakes. It is understood that Jieshi M100 series also has an announcement for dangerous goods transport models, which is more convenient for users when buying. ◠GAC Hino 700 tractor GAC Nisshin 700 series tractors have been taking relatively high-end routes in China. They can choose front axle disc brakes. The engines are mainly produced by Shanghai Hino's P11C series and imported E13C engines. The high-power E13C is an imported engine equipped with Compressor-release brakes developed in cooperation with Boko , 11- liter Shanghai Hino P11C has a larger installed capacity and uses ordinary exhaust butterfly valve brakes. Hyundai Motor Co., Ltd. did not come down for some time on the Dangerous Goods Transporter Bulletin, resulting in the loss of some orders. However, there has been no problem at all. The announcement of the dangerous goods transporter has already come down. ◠Postscript: Actually, domestic mainstream truck manufacturers have no problems in technologies such as disc brakes and auxiliary brakes. They are nothing more than money. Technically, manufacturers' reserves can meet the requirements for the transport of dangerous goods. Of course, in addition to disc brakes, engine brakes and other auxiliary braking technologies, dangerous goods transport vehicles also require GPS driving recorders, speed limiting devices, etc., we must understand clearly before buying, but many manufacturers are also responsible for the transport of dangerous goods The announcement of the relevant dangerous goods transport model is required. The user will be more at ease when choosing the brand on the card directly when purchasing. In the process of machining titanium alloy, the titanium alloy material itself has low modulus of elasticity, large elastic deformation, high cutting temperature, low thermal conductivity and high chemical activity at high temperature, which makes the sticky knife phenomenon serious, easily aggravating the tool wear and even breakage, which leads to the poor machinability of the titanium alloy. Therefore, machining titanium alloy requires proper cutting tools and good machining technology. 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