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The production process of aluminum alloy oil tanker bodies

Oil tank trucks are primarily composed of two main parts: the chassis and the tank body. The commonly used materials for tank bodies include carbon steel, aluminum alloy, and stainless steel. The figure above shows an aluminum alloy tank body. Besides the material, another crucial factor for a high-quality oil tank truck tank body is the manufacturing process. This is also why prices can vary even with the same configuration and tank body material. As manufacturers of oil tank trucks, let’s explore how aluminum alloy tank bodies are produced.

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  1. Material Cutting:In every trade, specialization is key. The production of oil tanker bodies mainly involves several major components: the cylinder body, end caps, secondary beams, toolboxes, and others. Our company’s oil tank trucks are divided into multiple processes, each equipped with specialized equipment and skilled technicians. The benefit of this approach is that professionals handle specific tasks, ensuring precision craftsmanship.For the tank body, we use 5083 aluminum alloy material . Using cutting machines, the aluminum sheets are precisely cut into dimensions that meet national standards.
    1. Rolling the Tank Body:The cylinder body of an oil tanker is the core component that determines its capacity, based entirely on the dimensions specified. For aluminum alloy cylinder bodies, we use 6mm thick material. After cutting aluminum alloy sheets to standard sizes, the next step is rolling them into cylinders. This process involves using a rolling machine to connect multiple aluminum alloy sheets together and secure them with double-sided welding.
      1. End Cap Fabrication:After welding the cylinder body of the oil tanker, the next step is the fabrication of the end caps. The aluminum alloy end caps need to withstand the impact of oil during transportation, which applies pressure to the sides of the tank (where the end caps are located). Therefore, the aluminum alloy end caps are 1mm thicker than the cylinder body, using 7mm thick material.

        The production of the end caps begins with cutting the material into circular shapes using a cutting machine. Since the end caps need to be double-sided welded to the cylinder body, their shapes and dimensions must align perfectly. The requirements for end caps are stringent. We utilize a plasma cutting machine to cut the material into the required shapes as per the blueprints. Then, a forming machine shapes the outline, and finally, a edge-spinning machine is used to create an edge approximately 6cm deep.

        1. Production of Anti-splash Plates:During the transportation of oil tankers, the movement of oil can generate impactful forces on the tank body, especially when traveling uphill or downhill, which affects transportation safety. The production of anti-splash plates helps mitigate these forces on the end caps and tank body, preventing deformation. Based on the dimensions of the oil tanker’s tank body, multiple anti-splash plates are designed.

          The production process of anti-splash plates is somewhat similar to that of the end caps. Using plasma cutting machines and edge-spinning machines, the material is shaped according to the blueprints. However, a notable difference is the presence of multiple differently sized holes strategically placed on the surface of the anti-splash plates. These holes are arranged in a staggered pattern and welded with two fixing plates to enhance the strength of the anti-splash plates.

          Finally, the anti-splash plates are welded to the cylinder body using double-sided full welding to strengthen the fixation and stability.

          1. Tank Body Welding:To assemble the tank body of the oil tanker, it is secured and rotated using a turning machine to adjust to the appropriate angles. Automated welding machines are used for the welding process, ensuring efficiency and precision. Double-sided welding is employed to enhance structural integrity. The process is monitored remotely via electric control to prevent any instances of incomplete welding (leakage welding).
          2. Install toolbox, guardrail, etc. to form a complete vehicleAfter completing all the main steps mentioned above, the tank body is mounted onto the chassis. Following this, other components such as the toolboxes and protective railings, which have been fabricated according to national appearance standards, are fully welded to form the complete oil tanker vehicle.

            The production process of aluminum alloy oil tanker bodies adheres strictly to safety principles from start to finish. The entire process ensures no detachment or leakage welding, fundamentally preventing oil leakage. Design considerations include multiple holes in the anti-splash plates and using diagonal welding for the connection to the cylinder body, which reduces impact forces and ensures the aluminum alloy oil tanker remains stable without tipping or deformation. These meticulous details ensure the safety and reliability of the aluminum alloy oil tanker throughout its operational lifespan.


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