1. Hydraulic oil level too low or quality deteriorationReason: Insufficient in the fuel tank and exposed air at suction port, resulting hydraulic pump being unable to build …
A excavator has been running for over 15000 hours and is currently experiencing a malfunction, unable to turn left or right at all. Except the rotation, all other actions …
Crawling - The actuating components of hydraulic equipment often need to move (hydraulic cylinders) or rotate motors) at very low speeds (such as a few millimeters even less …
Abstract: Hydraulic tensioning cylinder is a key actuating component in engineering machinery, mining equipment, and industrial production lines, its sealing performance …
Common self-sealing compression-type hydraulic seals primarily include O-rings, circular seals, and rectangular seals. These feature simple structures, ease of …
There are generally the following reasons why hydraulic stations do not maintain pressure: 1. Internal air leakage in grinding roller leads to pressure relief. …
Preface There are two main reasons for hydraulic cylinder leakage, one is internal factors, mainly including whether the design of sealing devices and …
The operating temperature of the hydraulic system a shield tunneling machine is usually between 30~55℃. At this range, viscosity, lubrication, and wear resistance oil are at …
A hydraulic pump is a component with complex structure composed of multiple moving parts. After operating for period time, its components are prone to wear and damage, leading …
Hydraulic cylinder oil leakage is a common fault in construction machinery, which not only affects the overall performance of equipment, but also causes serious energy …
I Power structure 1. The traction elevator adopts the machine as power source directly, which has relatively less loss in structure. 2. Hydraulic …
Introduction to Working Temperature of Shield Hydraulic System The working temperature the hydraulic system shield tunneling machines is often between 30-55 ℃. At …