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  FMEA and Control Plans
  FMEA Applicability

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Author Topic:   FMEA Applicability
raghuraman
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Posts: 3
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Registered: May 2001

posted 10 June 2001 03:58 AM     Click Here to See the Profile for raghuraman   Click Here to Email raghuraman     Edit/Delete Message   Reply w/Quote
I faced this problem when I was doing process FMEA for an electronic component.

The product has to be checked 100% for its inductance, resistance and high voltage values before dispatch to customer. As per my understanding, Process FMEA is done with the intent to prevent the process based failure modes prior to the production run. It is done to anticipate and resolve process monitor problems which could lead to a deviation from the design requirements.

However, in this particular case, doing FMEA and improving the processes do not really help in reducing / eliminating the 100 % inspection, as the 100% check for inductance, resistance, etc., in an auto test equipment (highly sophisticated) is a customer specific requirement.

Therefore, the supplier feels that doing process FMEA in this particular case will remain a mere paper work and not going to help in reducing his inspection efforts.

Welcome your views.

Thanks and Regards,

Raghu raman

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Al Dyer
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Posts: 622
From:Lapeer, MI USA
Registered: Oct 2000

posted 11 June 2001 08:21 AM     Click Here to See the Profile for Al Dyer   Click Here to Email Al Dyer     Edit/Delete Message   Reply w/Quote
If 100% inspection is required, so be it. But improvement to severity and occurrence would then become the focal point of the pfmea process.

Also consider that with 100% inspection there is still going to be defective products that are not caught. Can you improve on the systems used for 100% inspection? New technology? Improved MSA techniques? etc...

ASD...

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raghuraman
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posted 11 June 2001 11:32 AM     Click Here to See the Profile for raghuraman   Click Here to Email raghuraman     Edit/Delete Message   Reply w/Quote
I understand, improvement is possible in occurence and severity.

100% inspection, is done using an auto test equipment, which directly says PASS or FAIL. So there is no subjectivity.

One more interesting point is that as a customer I am not going to pay for the supplier's internal rejections. Therefore, the supplier says he will have his own way of doing rejection analysis and improve upon the process. Really, I am not able to sell the concept of FMEA.

Any way out to deal with this situation.

Also, MSA will it help in this particular case?

Thanks

Raghuraman


quote:
Originally posted by Al Dyer:
If 100% inspection is required, so be it. But improvement to severity and occurrence would then become the focal point of the pfmea process.

Also consider that with 100% inspection there is still going to be defective products that are not caught. Can you improve on the systems used for 100% inspection? New technology? Improved MSA techniques? etc...

ASD...


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Al Dyer
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Posts: 622
From:Lapeer, MI USA
Registered: Oct 2000

posted 11 June 2001 02:41 PM     Click Here to See the Profile for Al Dyer   Click Here to Email Al Dyer     Edit/Delete Message   Reply w/Quote
As you stated, you are the customer that sets the requirements for your suppliers.

ASD...

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raghuraman
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posted 13 June 2001 11:36 AM     Click Here to See the Profile for raghuraman   Click Here to Email raghuraman     Edit/Delete Message   Reply w/Quote
Any other different views?

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