Stainless steel flange processing method

    Stainless steel flanged pipe fittings have the best pressure resistance, temperature and pressure resistance, good flexibility and heat resistance, and the product advantages are much better than other plastic pipes. Stainless steel flanged pipe fittings are easy to install and have good thermal conductivity for floor heating systems. Flange pipe fittings have excellent impact strength, hot melt welding and mechanical connection, which is superior to PB-PP-R thermal conductivity. Analysis of the processing method of the stainless steel flange. Stainless steel flange fittings are made of steel. After the steel plate is cut into the required material, it is shaped like UOE, and is punched into a circular shape by punching. There are two halves and then put together and welded. After the push, the flange is shaped in this hot state. After the shape is completed, the outer diameter and wall thickness of the flanged pipe fittings have met the requirements. Next, the finishing process is carried out, and after the shot peening, the scale of the inner and outer surfaces of the flange pipe is removed, and the both ends are treated with a groove to facilitate welding. After inspection, steel printing, painting, packaging and other processes, you can leave the factory.

    Stainless steel flanged pipe fittings have two processes of flaw detection and heat treatment in the manufacturing process than other pipe fittings. The other programs are the same. Because some flanges are handled improperly, they will be distorted, which is not allowed. In addition, after the head is pushed, the outer diameter of the front end is generally large, and it is shaped by a shaping die. Due to the presence of welds, non-destructive testing is required. Heat treatment is also required due to the presence of welding stress.

    There are also many methods for processing stainless steel flanges. Many are also in the category of machining, and the most used are stamping, forging, roller processing, rolling, bulging, stretching, bending, and combination processing.

    Stainless steel flange process description:

    The rolling method: generally do not use the mandrel, suitable for the inner edge of the thick-walled tube.

    The forging method: the end of the pipe or part of the pipe is used to extend the electric butterfly valve to reduce the outer diameter. The common type forging machine has a rotary type, a link type and a roller type.

    The roller method: the core check valve is placed inside the tube and pressed by the roller for the round edge processing.

    The bulging method: one is to place rubber in the tube, the upper part is compressed with a punch to make the tube protruding and formed; the other method is hydraulic bulging, filling the middle of the tube with liquid, and drumming the tube by liquid pressure The shape, like most of our commonly used bellows, is produced using this method.