-
-
Blogs
-
Equipment
-
Contact
Upholding the corporate spirit of “Integrity, Harmony, Pragmatism, and Innovation,” we remain committed to a business philosophy that puts people first, embraces technological innovation, and emphasizes integrity and pragmatism.
Classification and Introduction of Marine Elbow Forming Methods
Release time:
Sep 24,2020
Marine elbows are commonly used pipe fittings in ship installations, employed at pipe bends to change the direction of the pipeline. Typically, different forming processes are selected for marine elbows made from various materials or with different wall thicknesses. The most common forming processes used by manufacturers for marine elbows include hot pushing, stamping, and extrusion.
Marine elbow It is a commonly used pipe fitting for ship installations, employed at pipe bends to change the direction of the pipeline. Typically, it is suitable for pipes made of different materials or with varying wall thicknesses. Marine elbow Select different forming processes. Commonly used by manufacturers. Marine elbow Forming processes include hot pushing, stamping, and extrusion, among others.
1、 Hot forming
Marine elbow The hot-push forming process uses a specialized elbow push-forming machine, a core die, and a heating device. In this process, the billet, which is fitted over the mold, is propelled forward by the push-forming machine. As it moves, the billet is heated, expanded in diameter, and bent into shape. Marine elbow The key feature of the hot-drawing process is that the diameter of the tube blank is determined based on the principle that the volume of a metal material remains constant before and after plastic deformation. The diameter of the tube blank used is smaller than the diameter of the elbow. A mandrel is employed to precisely control the deformation process of the blank, enabling the compressed metal in the inner arc region to flow and compensate for the thinning in other areas caused by the expansion of the diameter, thereby producing an elbow with uniform wall thickness. Marine elbow The hot-push bending process boasts advantages such as aesthetically pleasing appearance, uniform wall thickness, and continuous operation, making it well-suited for mass production. As a result, it has become the primary forming method for carbon steel and alloy steel elbows and is also used in the forming of certain specifications of stainless steel elbows.
2、 Stamping forming
Stamping forming Marine elbow Yes Relatively The forming process originally used for mass production of seamless elbows has been largely replaced by hot pushing or other forming methods in the manufacture of commonly used elbow specifications. However, for certain elbow specifications—due to low production volumes or excessively thick or thin wall thicknesses—this earlier process is still employed. Marine elbow The stamping process uses a tube blank with an outer diameter equal to that of the elbow, and the blank is directly formed by pressing it in a die using a press. Stamping. Marine elbow There are two types: cold stamping and hot stamping. Typically, cold stamping or hot stamping is selected based on the material properties and equipment capabilities.
3 Cold extrusion Marine elbow The forming process involves using a specialized elbow-forming machine: the tube blank is placed into the outer die, and after the upper and lower dies are closed, the tube blank moves along the gap reserved between the inner and outer dies under the push of a push rod, thereby completing the forming process. Elbows manufactured using the cold extrusion process with both inner and outer dies exhibit aesthetically pleasing shapes, uniform wall thickness, and small dimensional tolerances. Therefore, this method is particularly suitable for stainless steel elbows, especially those with thin walls. Marine elbow This process is commonly used for forming. The inner and outer molds employed in this process have high precision requirements, and the wall thickness tolerance of the tube billet is also quite stringent.
You can also learn more about industry trends.
Phone -8615226756063
Phone -8616631731810
Email -czlsg@163.com
Add: Industrial Zone, Yanta Road, Yanshan County, Hebei Province
