| 摘要 |
An apparatus and process is disclosed for spinning circumferential articles with constant length end surfaces. The article is first spun to define the circumferential surface, and a mandrel (16) is then introduced, whereby the mandrel has a shoulder (20) positionable adjacent to the end surfaces. The end surfaces, while supported by the mandrel, are further spun, and the material is flow into the shoulder, to define a constant and defined length to the article.
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