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Generally speaking, the driving device is mainly composed of the following three parts: the driving machine, such as the electric motor in the electric drive, the hydraulic motor in the hydraulic drive (including the hydraulic power source), the internal combustion engine in the internal combustion engine drive.

Hydraulic parts fault leads to noise, suction phenomenon is one of the main reasons for the high noise of hydraulic pump, hydraulic pump valve plate is also one of the important components easy to cause noise.

At present, the assembly line generally adopts the field bus control mode, through the field distributed I/O unified control assembly line operation and complete the communication between stations. Establish the field information monitoring system using Ethernet and other ways to complete the assembly line information collection, production scheduling

Injection timing and fuel metering are completely separate, injection pressure and injection process is controlled by the ECU. The injection pressure of each cylinder can be adjusted according to the working condition of the engine, the starting point and duration of injection, so as to pursue the control point of injection.