Acceptance Sampling Plan for Variables - Product Performance Testing

kedarg6500

Quite Involved in Discussions
#1
I am new to sampling plans. We manufacture 1000 nos of a product per shift. Our product performance test requires almost 4 hrs to complete. According to ISO3951 for variables & with general inspection level II, we have to take 35 samples for testing, which is very time consuming & not practical. Today we can test 3 products per shift.

How to select sampling plan in such case? Our desired AQL level is 0.4

Will some expert help?

Kedarg6500
 
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Bev D

Heretical Statistician
Leader
Super Moderator
#2
one clarifying question: do you mean that your AQL =.4% or ? AQL = .4 means that you will accept 40% defective....
 

kedarg6500

Quite Involved in Discussions
#3
Per my knowledge, though I am a new bee, 0.4% AQL means we will accept 0.4 % defectives.

Experts please correct me

Kedar
 

Bev D

Heretical Statistician
Leader
Super Moderator
#4
thank you for the clarification (in your original post you did not include the '%' and since you said you were new I wanted to be absolutely sure)

In this particular case I would move you away from the ANSI/Mil-Std tables.

can you provide some data from a series of tests and describe the process & test?
 

kedarg6500

Quite Involved in Discussions
#5
We manufacture 1000 nos of a product per shift. Our product performance test requires almost 4 hrs to complete. According to ISO3951 for variables & with general inspection level II, we have to take 35 samples for testing, which is very time consuming & not practical. Today we can test 3 products per shift.

testing includes capacity current wattage, NVH testing etc

is this info OK
 

kedarg6500

Quite Involved in Discussions
#6
We manufacture 1000 nos of a product per shift. Our product performance test requires almost 4 hrs to complete. According to ISO3951 for variables & we use special inspection level III, instead of general inspection level II (WRONG INFO CORRECTED), we are using we have to take less samples for testing, which is very time consuming & not practical.

Today we can test 3 products per shift.

Testing includes capacity current wattage, NVH testing etc

Is this info OK ?

Kedar
 
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