Analysis of Hydraulic Cylinder Operational Failure Causes by Manufacturers? Hydraulic cylinders are actuators in hydraulic systems. Their malfunctions are related not only to the cylinder itself but also to the entire system. Therefore, when troubleshooting hydraulic cylinder malfunctions, carefully observe the symptoms, use logical reasoning and step-by-step forced methods, and carefully analyze the causes from the outside to the inside to determine the troubleshooting method, preventing blind disassembly. Among the many causes of hydraulic cylinder malfunctions, improper equipment, use, and maintenance are the causes of its malfunctions. This article will not discuss such issues. This article only systematically analyzes a common typical operational malfunction—poor hydraulic cylinder action.

　　Poor hydraulic cylinder action mostly manifests as: the hydraulic cylinder cannot move, the hydraulic cylinder action is not sensitive (there is a blockage phenomenon), and the hydraulic cylinder movement is creeping.

　　Analysis of Hydraulic Cylinder Operational Failure Causes by Manufacturers? In addition to the basic conditions for selecting a hydraulic cylinder: 1. Inner diameter 2. Stroke 3. Operating pressure, 4. Installation method, the following conditions also need to be considered: A. When the hydraulic cylinder reaches a certain standard speed after being loaded, a hydraulic cylinder with a buffer device needs to be selected. Or, when reaching a higher speed, a deceleration valve must be installed outside the hydraulic cylinder. B. Carefully select hydraulic oil and oil seals. Different hydraulic oils are suitable for oil seals made of different materials to ensure the service life of the hydraulic cylinder.

　　Hydraulic Cylinder Manufacturer

　　Currently, some manufacturers reduce costs by not tempering the piston rod, insufficient rod plating, the cylinder barrel surface finish does not meet the requirements, and using ductile iron instead of copper for the guide bushing. Although this reduces costs, the quality of the hydraulic cylinder does not meet the requirements. In addition to the above two factors, correct use and regular maintenance are essential for hydraulic cylinders to fully meet user requirements. Before using the cylinder, bleed air, adjust the buffer adjustment valve to a reasonable position, regularly check the cleanliness of the oil, regularly clean the dust on the cylinder, and pay attention to waterproofing and fire prevention. In the past two decades, China's hydraulic industry has developed rapidly, and hydraulic cylinders can completely replace imported ones. Based on our experience, the processing level of domestic manufacturers is completely up to standard, the key lies in the seals, and domestic seals cannot completely replace imported ones. Therefore, we suggest that in important applications, imported seals should be selected, such as NOK seals from Japan.

　　Analysis of Hydraulic Cylinder Operational Failure Causes by Manufacturers? The phenomenon of the hydraulic cylinder being unable to move often occurs in hydraulic cylinders that have just been installed. When troubleshooting this malfunction, first look for external causes: Is the resistance of the hydraulic cylinder's moving parts too large? Are there any situations such as jamming, wedging, or hitting other parts? Does the inlet pressure reach the specified value? After eliminating external factors, further check the internal causes of the hydraulic cylinder and adopt corresponding troubleshooting methods.