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Knowledge

China Hydraulic Wheel Excavators Factory - XIAYU

Knowledge
Knowledge

Rules for regular maintenance of excavators

1. Fuel management Different grades of diesel should be selected according to different environmental temperatures; diesel cannot be mixed with impurities, dust and water, otherwise …

Knowledge

The reason of one side of arm can’t turn

1.Pilot control handle spool stuck   The reason for unilateral non-rotation is that the valve core in the pilot control handle is stuck. At this …

Knowledge

Excavator investment analysis

From the perspective of various sub-sectors, the sales output value of construction machinery in the first two months of 2013 was 63.696 billion yuan, a …

Knowledge

The classification of Auxiliary excavator control system

1. 2D auxiliary mining system is divided into 2D common system and 2D evolutionary system   Common 2D system only contains some angle sensors to …

Knowledge

Auxiliary excavator control system

The auxiliary mining control system makes a new type of control system which integrates modern control technologies such as sensing technology, positioning technology, electro-hydraulic control …

Knowledge

Oil-liquid hybrid

In the process of rotary braking of excavator, the hydraulic motor has the energy of overflow heating, which can be recovered and stored in accumulator. …

Knowledge

Closed center system

  The closed center system means that when the reversing valve is in the middle position, the oil path is closed, the hydraulic oil does …

Knowledge

Open center system

  The open center system means that when the valve core of the reversing valve is in the middle position, the oil discharge of the …

Knowledge

Energy Saving Control Technology of Hydraulic System

1.Negative flow control   This system is designed to eliminate the throttling loss caused by the valves are used. The specific method is to set …

Knowledge

Analysis of excavator power loss

The power loss of excavator hydraulic system is mainly in the following five forms: 1.The throttling loss   Six-way multi-way valves are mostly used on …