Spinning process
Spinning-step forming:
When using the spinning process, the disc blank is tightly fixed between the spinning machine core die and the tail top. The key point is that the internal shape of the spinning machine core die and the workpiece is consistent, and the spindle drives the blank to rotate.
By the rotary wheel from the longitudinal and axial control to the blank to apply extrusion pressure, so that the material is gradually extruded to the core die, while the rotary wheel alternately to the edge of the blank reciprocating curved movement, the final finishing movement to make the workpiece to achieve the desired size and surface quality.
principle of spinning process:
In the process of spinning, which is a chip-free forming process, a metal disc blank, a simple blank or a preform is first put into rotation. The metal piece is pressed by the spinning wheel and the metal starts to flow. In this way, complex bus bar shapes can be obtained with minimal tooling costs. The tolerance range is extremely small, and the surface quality is excellent for various hollow bodies. The advantages of the spinning process are obvious: with this process, the wall thickness and contour of the workpiece can be determined with maximum accuracy and can be accurately repeated.
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