挖机行业集中度稳步提高 预计2019年挖机销售同比增速能达到10%以上

Precautions against hydraulic impact of excavator!

Excavator hydraulic system, for some reason, the pressure of the liquid suddenly suddenly rise at a moment, forming a pressure peak, this phenomenon is called hydraulic impact. The peak pressure of hydraulic impact can be as high as 2~4 times of normal wo

There are 3 main causes of noise in excavator overflow valve

Excavator overflow valve prone to high-frequency noise, mainly due to the performance of pilot valve instability, that is, the pilot valve front chamber pressure, high-frequency oscillation caused by vibration of the air generated by noise. The main cause

How to distinguish between the good and bad of the second-hand excavator?

1, car paint: Look, is it a local paint or a whole car? How do you identify the paint on the body? Look at whether the whole car has been reworked, and the smoothness of the original paint and the original car paint can not be compared. 2, exterior:

When the excavator meets the "vehicle networking""

Following the smart phone, the "car networking" is becoming a typical model of the new economic model and the new industrial revolution. Compared with cars, the excavator industry has always been to "big, stupid, rough and famous, but whether the" new gen

Fault analysis of high water temperature and high oil temperature of excavator

Fault analysis of high water temperature and high oil temperature of excavator First, high water temperature phenomenon The thermostat is stuck, not open, then the water can only take small circulation, not through the radiator. The dirty water inside