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Former Member

Annual Estimate Doubt!

Hello everyone,

I would like to know if the annual estimate parameter can cause an over or under PM effect of a production line if the real activity per day is totally different (greater or lesser) from the annual estimate divided by 365?

To my mind we cannot simply enter a desired annual estimate, such as 85% of a year, if the production line runs 10 hours a day for example.

I'm trying to figure out how an annual estimate can cause troubles to the maintenance plan cycle If it is wrong entered.

The only concrete thing I have for now is that IP24 is not as live as it could be if the annual estimate follows the production line reality.

I complete understand that almost all production lines can't have a perfect annual estimate. Seasonality and other factors can explain this by them selves, but if the annual estimate could be closer to a mean value it would be better I believe.

I Appreciate any furtherance on this doubt....

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3 Answers

  • Dec 23, 2014 at 03:41 AM


    Anual Estimate is nothing but approximate value on which the Maintenance Call Object are generated.It will not create any mess while defining the maintenance plan with counter.Its individual perception how it can be maintained .neverthless Anual estimate gives you daily usage and after first Measurement documents system take control; to callcluate furthere call datses depend upon the Mesurement document postings.



    Message was edited by: RAKESH MANE

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    Former Member
    Dec 23, 2014 at 05:50 AM

    Dear Julio,


    Yes annual estimate would changes when counter readings changed periodically. so u dont have to worry

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  • Jan 08, 2015 at 12:55 PM

    Greetings Julio,

    The Annual Estimate determines the general trend line of the readings (increasing), signifying by what amount the system will assume the readings will change over 365 days, for purposes of scheduling. The Annual Estimate is not a value that changes, unless you update the Measuring Point master data. Rather, it is a value which, in conjunction with the actual values entered on Measurement Document, determines the scheduling of a counter-based plan.

    In short, regarding your questions, as long as Measurement Documents are updated regularly and frequently, the schedule will approximate the actual production line real activity per day, without the need to adjust the Annual Estimate

    I hope that referring the SCN threads below where I've given some detailed examples will be useful to you:

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