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GRR Study on a Finished Product - Batch Manufacturing
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GRR Study on a Finished Product - Batch Manufacturing
GRR Study on a Finished Product - Batch Manufacturing
GRR Study on a Finished Product - Batch Manufacturing
GRR Study on a Finished Product - Batch Manufacturing
GRR Study on a Finished Product - Batch Manufacturing
GRR Study on a Finished Product - Batch Manufacturing
GRR Study on a Finished Product - Batch Manufacturing
GRR Study on a Finished Product - Batch Manufacturing
GRR Study on a Finished Product - Batch Manufacturing
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batch manufacturing (general), gage r&r (repeatability and reproducibility)
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  Post Number #1  
Old 20th September 2017, 12:50 AM
VK1234

 
 
Total Posts: 1
Please Help! GRR Study on a Finished Product - Batch Manufacturing

Hello all

My question is regarding GRR

We are the OEM of Medical devices, We manufacture 2 Products per year. I need to conduct GRR study on a finished product . currently we have only one product.

I have 2 Methods in mind
1) Conducting Nested GRR with 3 Operators and 5 parts ( Considering 5 repeats on a same product as as 5 parts) and 3 repeats
2) Conducting Type 1 gage study with 3 operators instead of 1 operator with 30 repeats.

Please let me know which method should i go with.Suggestion of any other methods will be appreciated.

Thanks in advance

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  Post Number #2  
Old 20th September 2017, 10:14 AM
Miner's Avatar
Miner

 
 
Total Posts: 4,124
Look! Re: GRR Study on a Finished Product - Batch Manufacturing

Why are you considering a nested vs. a crossed R&R study? There was nothing in your post that indicates that you would need this.

Increasing the number of parts is more important to a good study than increasing the number of repeats.

A Type 1 study focuses solely on repeatability. As soon as you add more operators it is no longer a Type 1 study. Stick with a full R&R unless operator is a non-issue. Since you intended to add operators, that is obviously not the case.
Thanks to Miner for your informative Post and/or Attachment!
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