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A basic introduction to radial extrusion?
Publish Time：
2022-11-01 10:02
Radial extrusion is characterized by a cylindrical cavity formed by a moving die and a stationary die. 2 to 6 extrusion flanges are distributed along the axial direction of the die cavity. Under the condition of ensuring the strength of the steel bar connection, this utility model can complete the connection with only 1 to 2 extrusions, thus greatly increasing the speed and making the operation more convenient.
Radial extrusion is characterized by a cylindrical cavity formed by a moving die and a stationary die. Along the axial direction of the die cavity, 2 to 6 extrusion flanges are distributed. Under the condition of ensuring the strength of the steel bar connection, this utility model can complete the connection with only 1 to 2 extrusions, thus greatly increasing the speed and making the operation more convenient.
The joint formed by the plastic deformation of the radially extruded sleeve steel sleeve and the ribbed steel bar is tightly meshed with the ribs through force. There are two forms: radial extrusion connection and axial extrusion connection. Axial extrusion connections are not widely used due to inconvenient on-site construction and unstable joint quality; while radial extrusion technology has seen widespread application of its joints. Most sleeve extrusion used in current projects is radial extrusion. Due to its excellent quality, sleeve extrusion joints have been widely used in China's construction projects since the early 1990s. We understand that a characteristic of radial extrusion is that the direction of metal flow is perpendicular to the direction of movement of the punch; that is, the direction of metal flow is centrifugal during the process. Axially symmetric parts with flanges and bosses can be processed by radial extrusion. The company is a large domestic enterprise specializing in the research, development, manufacturing, sales, and installation of concrete and cement product equipment and series molds.
Radial extrusion uses a Class I precision guide frame under the pressure of the upper die and the lower die to extrude a washer-shaped blank into a hollow shaft part with a boss in the middle. A taper is made on the core shaft of the lower die and the cavity of the lower die to keep the pressed workpiece on the upper die. Alternatively, when the radial extrusion returns to the upper die, the crossbar on the press pushes the pusher, the pusher, and the upper die core rod. At the same time, the compression spring pushes the workpiece, three cylindrical pins, the push plate, and the upper die to eject the workpiece from the upper die. The mold structure is relatively simple, compact, and easy to use, suitable for mass production. Radial extrusion is a mechanical connection method that connects two steel bars and a steel sleeve into one piece by inserting the ends of the two steel bars to be connected into the steel sleeve and then using a portable steel bar extrusion machine to extrude the steel sleeve radially, causing it to plastically deform and bite into the cross ribs of the steel bars. For a long time, the company's product quality and customer service have won unanimous recognition and praise from customers. If you still have any questions, please feel free to ask.
The above is a basic introduction to "radial extrusion". If you still have any questions, please feel free to call us. That's all for today's knowledge points. I hope it will be helpful to you. More related information will be provided in the next issue.
Radial extrusion
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