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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.
Let’s talk about the forming methods for large and small heads.
Release time:
Jul 29,2022
The process of reducing the diameter of a pipe fitting with varying diameters involves taking a tube blank whose diameter at the larger end is identical to that of the variable-diameter machine, and then directly placing it into the forming die. The tube blank is secured along its axis of application, allowing the metal to flow directly into the die cavity, thereby achieving the desired diameter reduction. Depending on the magnitude of the diameter change in the pipe fitting, the process can be categorized as either a single-pass binding-and-forming operation or a multi-pass binding-and-forming process.
The process of reducing the diameter of a reducer fitting involves taking a tube blank whose diameter at the larger end is identical to that of the reducing machine, and then directly placing it into the forming die. The tube blank is secured along its axis of application, allowing the metal to flow directly into the die cavity and thus achieving the desired reduction in diameter. Depending on the magnitude of the diameter change in the reducer fitting, the process can be categorized as either a single-pass binding-and-forming operation or a multi-pass binding-and-forming process.
The raw material used for manufacturing large and small fittings is stainless steel. Meanwhile, some standard-sized fittings can be made from steel plates, so stamping techniques are employed to process and produce them. In particular, the elastic-use die-forming process allows for the creation of fittings that conform precisely to the dimensions specified in relevant reference standards; after blanking, the stamping dies can directly press the steel plates into shape through stretching.
Based on manufacturing processes, large and small heads can be classified into electric-furnace steel, converter steel, and open-hearth steel. Based on deoxidation methods, they can also be categorized as special steel, boiling steel, semi-killed steel, and killed steel. Carbon steels are further divided into high-carbon steel, medium-carbon steel, and low-carbon steel, depending on their carbon content. According to their sulfur and phosphorus content, carbon steels can be classified as ordinary carbon steel and high-quality steel. Generally speaking, the higher the carbon content in a large or small head, the greater its hardness and the higher its tensile strength; however, this comes at the expense of reduced ductility.
Parameter characteristics of size-reducing elbow forming by stamping: In addition to using steel pipes as the raw material for manufacturing size-reducing elbows, certain specifications of size-reducing elbows can also be produced through the stamping process applied to steel plates. The shape of the drawing die is designed based on the dimensions of the inner surface of the size-reducing elbow, and the stamping die then punches and draws the cut-to-size steel plate into the desired shape.
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