Description:
Fundamentals of Hydraulic Excavator
| PDF Title: Fundamentals of Hydraulic Excavator |
| File size: 2.5 MB |
| Page: 34 |
| Download: Fundamentals of Hydraulic Excavator |
General Outline of Hydraulic Excavator
A hydraulic excavator consists of the basic machine which has the full 360° swing superstructure and the
undercarriage for traveling; and the front-end attachment which can be exchanged to allow a wide range of
applications including digging and loading.
This machine is fully driven hydraulically in a manner completely different from a mechanically driven type.
Mechanical energy of the engine is first converted into hydraulic energy to actuate cylinders and motors in
which hydraulic energy is then converted into mechanical energy. In other words, travel, swing, digging and their
combined operations are all done by hydraulic power.
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