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Competency Demonstration Report, (CDR)
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Added on 2020-05-16
Competency Demonstration Report, (CDR)
Added on 2020-05-16
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CE 2.1 Project InformationName of the project: Design Evaluation, Failure Analysis & Re-design of a Hydrauliccylinder sealingLocation of the project:(Please fill)Project Duration:(Please fill)Organization:(Please fill)Role and Designation during the time: Team MemberCE 2.2 Project BackgroundCE 2.2.1 Characteristics of the project The project work is based on design, analysis of failure and re-design of hydrauliccylinder sealing. I conducted this study to identify the causes of failure of seals into the hydrauliccylinder. Hydraulic cylinders are those which convert power into linear mechanical movement. Ialso determined that causes of failures are manufacturing defects which are required to bemodified by performing failure analysis on existing model. I observed that the seals were faileddue to improper installation, contamination and expose to higher temperature in themanufacturing process. I conducted this project to redesign the hydraulic cylinder sealing usingresults of failure analysis. Proper analysis of failures eliminated the potential along with futureproblems. I analyzed that seals were playing a key significant role into the hydraulic cylinderswhich contain of fluid.
CE 2.2.2 Objectives developed for the projectFollowing are the project objectives:To identify cause of failure of seals into hydraulic cylinder To suggest modifications by doing failure analysisTo redesign of hydraulic cylinder sealing based on failure analysis resultsCE 2.2.3 My Area of work In this project work, I was involved into identifying the root causes of failure of sealsinto the hydraulic cylinder. I identified that manufacturing defects were the main causes offailure. Then, I performed a failure analysis and optimized a root cause to implement in re-designof hydraulic cylinder which increases life cycle of component. When carrying out this project, Icame to know that 25% of the mechanical equipments were failed due to design failure. Ifollowed some design considerations at the time of selecting seals for hydraulic cylinder. Basedon the application parameter, information gathered from the operating conditions of the cylinder,I selected the right seal. While selecting the seals, I investigated some considerations such asfluid pressure range, range of temperature of fluid along with cylinder, velocity of piston rodestroke, type of fluid for efficiency of seal. I also investigated the hardware dimensions like rode,bore dimension, seal groove, gaps and entire length of cylinder. I verified the application ofcylinder such as its installation and exposure to inconsiderate situations.
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