| 摘要 |
The invention relates to a mechanical system (1), comprising a support element (10) having an outer surface (18) adapted to slide in a housing receiving the mechanical system (1), a pin (30) extending along a first axis (X1) and comprising two opposite ends (36, 37), each adapted to be fitted in the support element (10) for radial and/or axial retention of the pin (30) relative to the first axis (X1), and a roller element (40) movable in rotation relative to the pin (30) around the first axis (X1). According to the invention, the mechanical system (1) comprises at least one outer insert (91, 92) positioned at the outer surface (18) of the support element (10). The invention also relates to an injection pump and a valve actuator comprising such a mechanical system (1). The invention also relates to a manufacturing method. |
