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  FMEA for equipment

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Author Topic:   FMEA for equipment
cmkoay
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posted 10 January 2000 09:41 PM           Edit/Delete Message   Reply w/Quote
How to develop a FMEA for equipment? Is it a process FMEA or product FMEA? or even concept FMEA and service FMEA? Is it related to reliability of the equipment or quality of the equipment? What is the difference?

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Marc Smith
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posted 11 January 2000 03:47 AM     Click Here to See the Profile for Marc Smith   Click Here to Email Marc Smith     Edit/Delete Message   Reply w/Quote
There are many, many types of FMEAs - for excample see https://elsmar.com/ubb/Forum12/HTML/000022.html - all are essentially the same in format. The AIAG has their 'versions' for automotive but even if you look at a process FMEA - some folks use (as an example) a 1 to 5 rating system (the AIAG uses 1 to 10).

I suggest you see the FMEA files in the pdf_files directory. As I remember there's some info on equipment FMEAs there.

[This message has been edited by Marc Smith (edited 11 January 2000).]

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Dawn
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posted 12 January 2000 05:39 PM     Click Here to See the Profile for Dawn   Click Here to Email Dawn     Edit/Delete Message   Reply w/Quote
I took a hit for predictive maintenace during assessment, and quite frankly my fix isn't turning out like I thought it would. I'm not sure anymore that it is a fix. I saw an article in Qality Progress on maintenance FMEA's and I was very impressed. My question is: Will it cover me come surveillance time on predictive maintenance. Does it meet the shall? I think it does, but you know what... I thought that before.
Thanks for any insight, Dawn

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Marc Smith
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posted 12 January 2000 09:20 PM     Click Here to See the Profile for Marc Smith   Click Here to Email Marc Smith     Edit/Delete Message   Reply w/Quote
quote:
Originally posted by Dawn:
I took a hit for predictive maintenace during assessment, and quite frankly my fix isn't turning out like I thought it would. I'm not sure anymore that it is a fix.
Predictive maintenance is a hummer. There is a lot of opinion here. Do you have to do spectro analysis of oil of every machine (for example).

First, remember this is a QS9000 requirement (see 4.9.g.1). They do not list maintenance / equipment FMEAs, however I suppose you could cite same.

--> SUM Predictive maintenance methods - These methods should include a
--> review of appropriate items such as the manufacturer's
--> recommendations, tool wear, optimization of uptime, correlation of
--> SPC data to prevent maintenance activities, important
--> characteristics of perishable tooling, fluid analysis, infrared
--> monitoring of circuits and vibration analysis...

I have seen companies use their maintenance database to 'predict' problems. Ask your self how you decide what 'spares' to keep onsite and what equipment is critical to operations. For example, if you have a 'critical' machine, can you discuss possible breakdowns and how you will handle it? Do you have any extra motors on hand? Do you NEED to have extra motors on hand? When I go through a client facility I spend a bit of time asking about the spare machine and facility parts they have on hand. How did they decide to stock in-house what they have?

In the semiconductor industry I have seen more esoteric stuff like fluid analysis and such. I have never seen infrared monitoring of circuit cards. I have seen vibration analysis.

Remember the key word: Predictive

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