Definition QC (Quality Control) and QA (Quality Assurance) - Different concepts?

A

Ana Senutna

#11
Re: QC and QA - Different concepts?

Things are defined by what they are called. A chair, is a chair; a table is a table and so on. Would you like to be called John? Would it matter? Of course. You are Jym, not John. People identify/Recognize things by their names. I couldn't agree more with you when you say that more important than definitions is to make things work out for the clients.You can't accomplish that, however, without definitions/concepts, and the values/meanings they carry with them. People in command need to understand these concepts to buy in your quality program. The quest for excellence should start by defining excellence, the requirements are consequences. Thanks for your comments!
 
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Jim Wynne

Staff member
Admin
#13
Re: QC and QA - Different concepts?

Things are defined by what they are called. A chair, is a chair; a table is a table and so on. Would you like to be called John? Would it matter? Of course. You are Jym, not John.
No, I'm Jim, not Jym, but I still knew who you were referring to, so the distinction wasn't important. :D
 
A

Ana Senutna

#14
Re: QC and QA - Different concepts?

I am sorry about that Jim. I really meant Jim. Thanks for debating this with all of us.
 
C

CliffK

#15
Re: QC and QA - Different concepts?

Things are defined by what they are called. A chair, is a chair; a table is a table and so on. Would you like to be called John? Would it matter? Of course. You are Jym, not John. People identify/Recognize things by their names. I couldn't agree more with you when you say that more important than definitions is to make things work out for the clients.You can't accomplish that, however, without definitions/concepts, and the values/meanings they carry with them. People in command need to understand these concepts to buy in your quality program. The quest for excellence should start by defining excellence, the requirements are consequences. Thanks for your comments!
Jym's words will help you if you pay heed.

Better you learn the organization's language, culture and SWOT before you begin to define the "quality program."

Listen hard, think hard, deliver value, and you'll have all the buy in you're ever going to need.
 
P

Pudge 72

#16
Re: QC and QA - Different concepts?

Completely agree with Jim. Furthermore, if we look into all of the mantra's that we as quality professionals hear in all of the standards, magazines, letters, and mission statements, quality is suppose to go across the board and filter through every part of the organization regardless of title or position.
An Inspector should understand and be able to interpret an FMEA, Control Plan, Process Map or statistical data with just as much vision as a QA associate - they are living documents and processes that need to be addressed by all in order to be successful. Just as a QA Engineer should be able to pick up a micrometer, program a CMM, measure on a comparator and understand functionality.
We are so focused on titles, degrees and positions that somewhere along the way, we lost our ability to focus on the task at hand and get the job done. No organization manufactures quality as its end product that I know of. We get hung up on the "Quality Union" of sorts ie - the inspector can't have input on the Control Plan because that's the QE / QA Engineers job, or, the Engineer can't measure the part, that's a QC function.
This type of thinking sunk the Auto industry as it pertains to keeping job functions contained and siloed - forget about the title and do the job.
 

Ajit Basrur

Staff member
Admin
#17
Re: QC and QA - Different concepts?

Both the intent mean QUALITY but with a difference -

Quality Assurance -

1. makes sure you are doing the right things, the right way
2. Process related or process based.
3. Focusses on building Quality and hence prevents defects
4. Preventive process
5. Identifying, developing and organising best quality process.

Quality Control -

1. makes sure the results of what you've done are what you expected
2. Product based
3. focuses on testing for quality and thereby detect defects
4. Corrective process
5. implementing the process developed by QA.
 

Jim Wynne

Staff member
Admin
#18
Re: QC and QA - Different concepts?

Both the intent mean QUALITY but with a difference -

Quality Assurance -

1. makes sure you are doing the right things, the right way
2. Process related or process based.
3. Focusses on building Quality and hence prevents defects
4. Preventive process
5. Identifying, developing and organising best quality process.

Quality Control -

1. makes sure the results of what you've done are what you expected
2. Product based
3. focuses on testing for quality and thereby detect defects
4. Corrective process
5. implementing the process developed by QA.
If "quality control" is strictly product-based, then I guess you don't need to control the quality of anything else?? How can you assure anything without controlling it first?
 

Ajit Basrur

Staff member
Admin
#19
Re: QC and QA - Different concepts?

If "quality control" is strictly product-based, then I guess you don't need to control the quality of anything else?? How can you assure anything without controlling it first?
Sorry Jim - these are the standard definitions that I have not written ;)
 

Jim Wynne

Staff member
Admin
#20
Re: QC and QA - Different concepts?

Sorry Jim - these are the standard definitions that I have not written ;)
There are no standard definitions. You can call your quality functions whatever you want to call them, but we should all be careful not to create distinctions where no distinctions are necessary. Call it Lean Terminology.
 
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