Introduction of the forming process for tube fittings
In piping systems, elbows are pipe fittings that change the direction of the pipe. According to the angle, there are three most commonly used: 45°、90° and 180°. In addition, other abnormal angle arcs such as 60° are also included according to the needs of the project. The materials of elbows are cast iron, stainless steel, alloy steel, malleable iron, carbon steel, non-ferrous metals and plastics.
Commonly used methods to form seamless elbows include hot pressing, stamping, extrusion, etc.
1) hot pressing
The hot-push elbow molding process uses a special elbow pushing machine, a core mold and a heating device, so that the blank placed on the mold moves forward under the pressure of the pushing machine, and is heated, stretched and bent during the movement. the process of. The deformation characteristic of the hot shear bend is intended to determine the diameter of the pipe blank according to the law that the volume of the metallic material does not change before and after plastic deformation. The diameter of the pipe blank used is smaller than the diameter of the elbow. Metal flow is compensated to other parts thinned by the flare to obtain an arc with a uniform wall thickness.
2) Stamping and forming
Stamping sheets are divided into cold stamping and hot stamping. Normally, cold stamping or hot stamping is selected according to the material properties and finishing capabilities. The cold extrusion sheet forming process is a specification to use
Wilson Pipeline is a leading manufacturer and distributor of flange fittings material from alloy steel stainless steel to carbon steel.products, including Super Duplex Stainless Steel Flanges, Stainless Steel Flanges, Stainless Steel Pipe Fittings. ASME B16.5 ASME B16.9 ASME B16.11 EN1092,ANSI ASTM,GOST,JIS,DINWilson Pipeline products are widely used in Shipbuilding, Nuclear power, Marine engineering, Petroleum, Chemical, Mining, Sewage treatment, Natural gas and Pressure vessels and other industries.If you want to have more information you want to share your enquiry with us, contact us at sales@wilsonpipeline.com
