Thin-wall taper sleeve parts are often encountered in the turning process. These parts have small wall thickness and are not easy to be clamped and are easily deformed after clamping, which brings certain difficulties to the processing. The partition (an important part of the AM96 bogie air spring for passenger cars) is an accessory product produced by our company and belongs to the thin-walled cone-shaped parts. The blank of this part is formed by welding 10mm thick steel plate, and it is required to be processed all over the body. Its structure is shown in Figure 1.
Figure 1 partition
For this part, we first proposed a method using process materials. A cylinder with a width of about 20 mm is welded to the end of the part. During the machining, the cylinder is clamped by a lathe chuck for turning. After the machining is completed, it is cut with a cutting knife, as shown in Fig. 2.
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