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Fuel injection pump plunger is one of the most important parts of diesel engine, and its processing quality and productivity reflect a country's industrialization and automation level. An automatic feeding system for fuel injection pump plunger grinding process is proposed and designed, which mainly includes a vibratory bowl feeder, a linear vibratory feeder, a pneumatic manipulator and a fiber optic sensor. Through the system, the plungers can realize arrangement, direction judgment, direction adjustment and linear transmission. This paper focuses on vibratory transmission principle, pneumatic system and structure of the manipulator and direction judgment with fiber optic sensor. This automatic feeding system overcomes some of disadvantages of the traditional devices and increases the automation level of plunger production.

An Innovative Design of Automatic Feeding System for Fuel Injection Pump Plunger