VAFEM Technology Knowledge

Common fault diagnosis and maintenance of hydraulic oil pump

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 …

Troubleshooting Hydraulic Cylinder Leaks in Heavy Equipment: A Root-Cause Approach

 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 …

The difference between traction elevator, hydraulic elevator, and screw elevator

 I Power structure 1. The traction elevator adopts the machine as power source directly, which has relatively less loss in structure. 2. Hydraulic …

Causes and Cooling Solutions for Overheating in Shield Tunneling Hydraulic Systems

Introduction to Working Temperature of Shield Hydraulic System The working temperature the hydraulic system shield tunneling machines is often between 30-55 ℃. At …

Failure analysis of tapered roller bearing used for differential mechanism

 Abstract: Aiming at the premature failure of a certain type tapered roller bearing, operating condition and damage morphology failed bearing are analyzed in detail. By …

Fault diagnosis and maintenance of hydraulic system in free forging hydraulic press

In recent years, free forging hydraulic presses of different specifications have been widely used in various metallurgical industries and other fields China, the related …

Characteristics of hydraulic system faults in the cutterhead drive of shield tunneling machine

 The hydraulic system uses oil as the working medium and has a high energy density. There are two types of failures: one is insufficient flow pressure caused by damage or …

How to maintain the hydraulic system of hydraulic cone crusher?

The hydraulic cone crusher is an upgraded and strengthened version of the traditional crusher, with high crushing capacity, production efficiency, energy saving. main …

Why do magnetic pumps use sliding bearings?

 In industries such as chemical, pharmaceutical, and water treatment that require "leak free transportation", magnetic pumps are definitely the …

Fault Analysis and Prevention of Hydraulic Servo Control System

Abstract: This article takes the 1 # auxiliary roll of 1580 strip steel mill coiling machine in a certain company as an example to introduce analysis causes hydraulic servo …

Reasons and solutions for hydraulic system leakage in injection molding machines

 Leakage is a common fault phenomenon in injection molding machines, mainly caused by pressure differences and gaps between hydraulic components pipelines when the …

Hydraulic transmission system faults and troubleshooting

The hydraulic transmission system includes five parts: oil pump, cylinder, various valves, and working medium. The converts the mechanical energy of prime mover into …

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