Hydraulic cylinders play a crucial role across various industries, and their functionality is vital for smooth operations. When a hydraulic cylinder malfunctions, the consequences can be significant, disrupting entire workflows. Many users have reported issues where the cylinder fails to function properly. To address this promptly, it’s essential to identify the root cause of the problem.
In most cases, the issue arises with newly installed hydraulic cylinders. Initially, it's important to examine external factors, such as whether the mechanism connected to the cylinder is too forceful, whether it’s jammed, or if other components are malfunctioning. Additionally, verify that the hydraulic cylinder's oil inlet pressure aligns with the specified range.
After ruling out these external influences, the focus shifts to the internal aspects of the hydraulic cylinder. For instance, the oil might not be entering the cylinder, the moving parts could be excessively tight, or the cylinder might have been improperly designed or manufactured.
Further investigation should include checking the oil lines and circuits, such as hose connections, to ensure they’re free of blockages. Also, inspect the overflow valve's seat; any dirt can lead to leaks due to poor sealing, necessitating immediate cleaning.
Improper design or manufacturing can also lead to inaction in hydraulic cylinders. This typically happens when there’s insufficient hydraulic pressure during the return stroke after the piston completes its travel, or when the working area is too limited at startup. Similarly, excessive lateral loading, weak stress distribution, or crushing of the cylinder can yield similar results. Therefore, during installation, the cylinder’s axial alignment should match the direction of motion, and the load should ideally act along the cylinder’s axis to avoid eccentricity-related issues.
When a hydraulic cylinder is mounted horizontally, the weight of the piston and rod can cause deflection, leading to uneven loads on the guide sleeve and piston. This can result in seal damage, oil leaks, and even stalling of the piston inside the barrel. Horizontal mounting is generally discouraged.
Over the years, Henan Kexing has continued to innovate and refine its hydraulic cylinder technology, phasing out outdated methods to ensure superior product quality. If you require custom hydraulic cylinders, reach out to Henan Kexing, the dedicated hydraulic cylinder manufacturer.
This article was originally published by Henan Kexing Hydraulic Co., Ltd. Please ensure proper attribution if reproduced.
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