Reasons Why Your Hydraulic Cylinder Will Fail and How to Prevent It

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Reasons Why Your Hydraulic Cylinder Will Fail and How to Prevent It

Reasons Why Your Hydraulic Cylinder Will Fail and How to Prevent It

17 February 2016
, Blog

Among the heaviest-duty applications of hydraulic cylinders is construction equipment. This area of heavy machinery makes extensive use of the hydraulic cylinders for a wide range of uses, each with its requirements, but all of which heavily rely on the reliability, strength, and performance of their components. If you own and operate construction equipment such as excavators, dumper trucks, or loading shovels, hydraulic cylinders will always be components of such machinery. Therefore, you may want to extend the service life of your hydraulic cylinders by identifying the causes of hydraulic cylinder seal failure and potential preventive measures.

Improper Installation

Seals that are not installed properly will definitely lead to problems. For this reason, you need to ensure that during the installation of the hydraulic cylinder seal, there is proper lubrication, maintenance of cleanliness, and protection of the seal from cuts. Therefore, it is important to hire a professional to do the work especially when you are replacing the seal.

Heat Degradation

When the failed seal exhibits a brittle and hard appearance or when parts of the seal start breaking away, you should expect heat degradation. The heat degradation will lead to reduced or loss of effectiveness of the sealing lip through loss of seal material and excessive compression. Possible causes of heat degradation include proximity to outside sources of heat, high dynamic friction, wrong seal materials, and excessive lip loading. To fix this problem, you can increase lubrication or change the seal material.

Contamination of Your Hydraulic System

Contamination of your hydraulic system is also another cause of seal failure. External elements like mud, ice, dust, dirt, grit, and internal system contamination from breakdown oil products, circulating metal chips, and other degradable components of the hydraulic cylinder system are often causes of the contamination. Since most external contaminants will enter the hydraulic cylinder system during the rod retraction, your best solution for this problem would be to properly install a rod scraper or wiper. Prevention of internal contamination can be achieved through proper oil filtering.

Chemical Breakdown

Using non-compatible materials can lead to chemical attack by hydrolysis, oxidation or reduction of the seal elements, and oil additives. Chemical breakdown leads to the loss of the lip interface of the seal, and excessive shrinkage or swelling. A critical sign of chemical attack is discolouration of the hydraulic seals. This will be fixed by avoiding a change of your hydraulic system fluid and ensuring correct selection of seal material.

About Me
Remodelling Fever: Best Advice About Construction And Contractors

Hello. I'm Kyle, and I work as a real estate valuer. Lately, I see a lot of people hopping on the renovating trend in order to sell properties at a higher price. Some people really do get it right, but I've seen some terrible remodelling jobs. The wrong renovation can actually reduce the value of a house! My family and friends always ask me for remodelling advice, and I see some common factors in successful renovations. First and foremost, those property owners choose excellent contractors. Secondly, the construction work is high quality. I started this blog so that others who have questions about construction and contractors might benefit from my knowledge. Please browse and enjoy. Thank you for visiting.