Maintainability
[Reliability Predictions] [FMEA] [Fault Tree Analysis] [RBD] [Maintainability] [Life Cycle Cost]

Maintainability  Prediction

A Well-Organized Framework For Maintainability Predictions

Relex  Maintainability Prediction provides you with a solid framework for performing maintainability analyses. You enter the hierarchy of your system using Relex™  system tree and define all of the replaceable items with their associated repair  times. Relex Maintainability Prediction then calculates many maintenance  parameters including the Mean Time to Repair (MTTR), Mean Maintenance Manhours  per Repair (MMH/Repair), and the Percent Isolation to a Single Replaceable Item,  as well as many others.

A  Well-Organized Framework Eases the Process of Entering and Calculating Repair Times

Relex Maintainability Prediction is based on the accepted standard for maintainability predictions, MIL-HDBK-472 Procedures 2, 5A, and 5B. Relex Maintainability Prediction organizes the process of performing your analyses by incorporating these methodologies in an easy-to-use, functional framework.

You  begin your analysis by defining your basic maintenance tasks with their repair  times, If you wish, you may group these basic tasks together into larger, more complex super tasks. For example, the super task of replacing a printed circuit  board may consist of turning off the power, opening a box by taking out several screws, removing the board, setting a new board in place, replacing screws, closing the box, and restoring power. These smaller tasks need only to be  defined one time and then can be reused in defining super tasks.

At this point, you have the option of defining your Fault Detection and Isolation (FD&I) Outputs and linking them to your tasks. Then, when you are ready to define the characteristics of the replaceable items, you can enter repair tasks directly or you can enter the FD&I Outputs with the replaceable  items.

Relex  Maintainability Prediction is Integrated with Other Relex Modules

There  is a seamless integration between Relex Maintainability Prediction and the other  Relex modules. There is one system tree that all of the Relex products share, so  a change to the system tree in one module affects all other Relex products. The  same idea applies to individual components. A component need only be entered one  time for all Relex modules to recognize it. So, as you add assemblies to the system tree or components to assemblies, all Relex modules have access to them  and their data. For example, Relex Maintainability Prediction automatically has access to the failure rate of a part based on the calculated information from  Relex Reliability Prediction.

Supported  Maintenance Calculations

Relex  Maintainability Prediction supports a host of powerful  calculations.

       Mean Time to Repair (MTTR)

       Percent Isolation to a Single Removable Item

       Percent Isolation to a Group of Removable Items

       Mean Maintenance Manhours per Repair

       Mean Maintenance Manhours per Maintenance Action

       Mean Maintenance Manhours per Operating Hour

       Mean Maintenance Manhours per Flight Hour

       Maximum Corrective Maintenance Time for the Sigma Percentile

       Mean Preventive Maintenance Time

       Mean Active Maintenance Time 

       Mean Corrective Maintenance Time

       Maintainability Index

Relex  Maintainability Prediction - a Feature-Packed Solution

Once you have defined your system, Relex Maintainability Prediction can perform various calculations including Mean Time to Repair, Percent Isolation to a  Single Replaceable Item, Mean Maintenance Manhours per Repair, Mean Maintenance Manhours per Operating Hour, Maximum Corrective Maintenance Time, and more.

As with all Relex products, the report generation capabilities of Relex Maintainability Prediction are unsurpassed! A number of standard reports are  included, or you can completely customize your reports by using the built-in report designer.

Relex  Maintainability Prediction also has the ability to import and export data using the CAD Import/Export WizardTM including exporting to a MIL-STD-1388 2B LSAR compatible format.

A task library taken directly from MIL-HDBK-472 is included with Relex Maintainability  Prediction. You can append to the supplied task library or create any number of  your own libraries.

Relex Maintainability Prediction was designed with concurrent engineering in mind to make your job easier and provide you with an exceptional analysis tool.

Relex  Maintainability Prediction Features

       Supports MIL-HDBK-217 Procedures 2, 5A, and 5B

       Includes a supplied library of basic maintenance tasks with associated repair times

       Fully integrates with other Relex modules with complete data sharing

       CAD Import/Export WizardTM with LSAR capability allows quick and easy data transfer

       Supports depot, intermediate, and organized repair levels

       Provides and easy-to-use visual interface


Learn More About Relex Maintainability Prediction!

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