| 摘要 |
PURPOSE: A machining apparatus for a bushing of a hydraulic pump is provided to manage a gap between a gear pump housing and a bushing by reduction in the error range of a vertical processing surface. CONSTITUTION: A machining apparatus(100) for a bushing of a hydraulic pump comprises a rotating unit, a machining unit, and a power transmitting unit. One or more bushings are set in a setting jig of a first rotating plate(120) of the rotating unit. The first and second bodies of the bushing are machined by the power of a main motor(140) of a power transmitting unit, simultaneously. As the bushing is vertically machined by an end mill of a machining jig of the machining unit with being fixed in the setting jig, the machining error range of the upper and lower parts of the bushing can be reduced.
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