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What are the characteristics of the application of conical heads
Head is often used as a blocking device on pressure vessels, and the styles and materials of the head vary depending on the usage environment and function. Cone head is a type of head, which is mainly made of carbon steel, low alloy steel, composite plate, stainless steel, as well as various materials such as copper, aluminum, titanium, etc. The execution standard is GB/T 25198-2010, and there are also many varieties.
Under internal pressure, the main body of the conical head experiences membrane stress at the large end. At the connection between the cone and the cylinder, due to geometric discontinuity and sudden changes in curvature radius, significant lateral thrust will be generated at this location, causing significant edge stress and making it prone to bending. Therefore, reinforcement is needed. For the large end, axial bending stress is the main controlling factor, and it belongs to secondary stress. The price of conical heads is controlled, so the stress intensity is included; For the small end, the stress state at the connection between the small end and the cylinder is mainly the average circumferential tensile stress and the average radial compressive stress, which belong to local membrane stress. Therefore, the stress intensity can be controlled within this range. However, due to the possibility of local membrane stress exceeding the distribution range of edge effects, for safety reasons, the stress intensity should be controlled within this range. For the large end, in any case, the thickness of the strengthening section shall not be less than the thickness of the connected conical shell, the length of the strengthening section shall not be less than, and the length of the cylindrical strengthening section shall not be less than. For the small end, in any case, the thickness of the reinforcement section shall not be less than the thickness of the connected conical shell, the length of the conical shell reinforcement section shall not be less than, and the length of the cylindrical reinforcement section shall not be less than.
At present, conical heads are widely used in manufacturing industries such as petrochemicals, aerospace, shipbuilding, steel, and boilers and pressure vessels.
Company strength
Tianjin Nova Energy Tech Ltd is a technology manufacturing enterprise dedicated to providing users with one-stop high-quality metal products, precision mechanical parts processing, and drilling and exploration tools. Tianjin Nova Energy Tech Ltd is located in Jinghai, Tianjin, a deep processing base for metal products and tools, adjacent to Tianjin Port and Beijing Daxing International Airport, with obvious geographical advantages. At present, a product series of over 100 varieties and tens of thousands of specifications has been formed, including special steel, metal pipe fittings, steel pipes, round steel, metal wire rope products, wire rods, transportation equipment, photovoltaic equipment and brackets, wind power components, drilling and exploration tools, etc. The factory has various types of precision machining equipment: CNC gantry machining centers, CNC lathes, precision milling machines, wire cutting machines, precision grinding machines, tapping machines, deep hole drilling machines, deep hole three coordinate machines, etc. With advanced equipment and professional engineering and technical personnel, we provide customers with one-stop services from raw material screening, rough processing, precision processing, special surface coating treatment, to accessory assembly.
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