| 摘要 |
Machine componentry is provided to implement the positioning and releasing of two machine components on one of the two machine components and to remove the need of exposing a taper pin for positioning by forming an internal thread on the taper pin. Machine componentry comprises a first machine component having a taper hole penetrating therethrough, a second machine component having a taper hole with closed bottom, and a taper pin which is used for positioning of the two machine components by being inserted through the taper hole. The taper pin has a through hole in the axial direction, where female thread is formed on at least part of the through hole in the axial direction. Female thread with a smaller diameter than the through hole is formed on the bottom of the taper hole of the second machine component.
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