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Parameters Of 9 Main Components Of Excavator Hydraulic System

Nov 27, 2021

1. Hydraulic multi way valve

Rated flow: 55lmin, working pressure: 25MPa.

2. Constant power series pump bk63v

The constant power series pump in the hydraulic system is a swashplate axial piston pump, and its main technical parameters are as follows:

Theoretical displacement: 63mlr, maximum pressure: 275mpa.

Rated pressure: 22Mpa working speed: 2400r / min.

3. Engine zh4102y4

Rated engine speed: 2400r / min engine speed: 47kw.

4. Left and right travel motors lkc34 / 53

Theoretical displacement: 3453mlr maximum inlet pressure: 25MPa turning torque: 315nm maximum continuous back pressure: 0.35Mpa.

5. Swing motor lkc80

Theoretical displacement: 80ml, maximum inlet pressure: 275mpa, rotary torque: 275nm, maximum continuous back pressure: 0.35Mpa.

6. Boom cylinder

Inner diameter of cylinder barrel: 90mm diameter of piston rod: 50mm working stroke: mm rated working pressure: 2MPa.

7. Stick cylinder

Inner diameter of cylinder barrel: 80mm diameter of piston rod: 45mm working stroke: mm rated working pressure: 20MPa.

8. Bucket cylinder

Inner diameter of cylinder barrel: 65mm diameter of piston rod: 35mm working stroke: mm rated working pressure: 18Mpa.

9. Bulldozer cylinder

Inner diameter of cylinder barrel: 50mm diameter of piston rod: 30mm working stroke: * mm rated working pressure: 18Mpa.