Traffic police command vehicles play a significant role in urban traffic management. In particular, traffic problems in large cities have become an important constraint to urban development. When the road is congested, the traffic police command vehicle will be called to assist the traffic command. This kind of vehicle, though it does not function as much as the emergency command vehicle, has a heavy responsibility. Traffic police command vehicles mainly consist of the following components.
First, the onboard communication system. As a command vehicle , a communication system is a necessary component. Although a traffic police command vehicle conducts commands within a specific road section, it needs to rely on an on-board communication system to receive orders from superiors and can also understand the road conditions of other road sections. Although the communication system of the traffic police command vehicle is not as powerful as the military command vehicle, the basic communication equipment should be complete, such as positioning system, communication system, image acquisition system, call equipment, and computers. These devices can better ensure the communication work. . In addition, for traffic police command vehicles, having a communication system can timely feedback the traffic conditions of the road section, which is conducive to the overall dispatch of urban traffic work.
Second, the alarm system. If there is a major traffic accident in the road section, you can use the traffic police command vehicle to call the police for more support. In fact, the alarm system can also be regarded as an integral part of the communication system, but it also has the function of prompting. For example, after a dangerous situation occurs, a warning is issued through the system, so that the surrounding vehicles and pedestrians can understand the danger in time, effectively avoid the loss and reduce the loss. The alarm system is also a main mode of function of the traffic command vehicle and is an indispensable part of the command vehicle.
Third, security defense system. Traffic police command vehicles also have certain safety defensive capabilities. As a mobile command platform, they may encounter unexpected situations in the course of command. If the vehicle's security defense performance is not strong, it is easy to cause accidents. Members will cause great damage. The security defense system is a security system that the traffic police command car cannot ignore. It serves as a supportive security function.
Die casting is a Aluminium or Zinc metal casting process that is characterized by forcing nolten metal under high pressure into a die mold cavity. The mold cavity is created using two hardened tool steel dies which have been machined into shape and work similarly to an injection mould during the process. Most die castings are made from non-ferrous metals, specifically zinc, copper, aluminium, magnesium, lead, pewter, and tin-based alloys. Depending on the type of metal being cast, a hot- or cold-chamber machine is used.
The casting equipment and the metal dies represent large capital costs and this tends to limit the process to high-volume production. Manufacture of parts using die casting is relatively simple, involving only four main steps, which keeps the incremental cost per item low. It is especially suited for a large quantity of small- to medium-sized castings, which is why die casting produces more castings than any other casting process. Die castings are characterized by a very good surface finish (by casting standards) and dimensional consistency.
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