I have a process where the Cpk is above 2.3, The R chart is in control but the XBAR is out of control. My control limit spread is 3.04 and my specification spread is 21. I have noted that the gage being used increments by 1.27. I'm thinking that the gage is the culprit to making the process appear out of control. How can I prove it? Is there a way to compensate for this without buying a new gage? We'd like to use SPC. GR&R is 20 so it is high, but approved by the customer.
jhankwitz 8/16/2005
Attrition due to moving to other standards, or probably more of a factor, $$$Cost$$$ of registration in a slow economy, could be overwhelming factors. The reason for stopping registration is far more important than raw meaningless numbers.
christopher_paris 6/28/2005
The proliferation of sector specific standard does corrupt the ability to gather this data to some degree. But in most cases, certification to a sector standard INCLUDES a certificate to ISO 9001. This is the case with AS9100, for example. In addition, it is usually the case with 13485 and 17025 that the organization already has 9001, or is doing them simultaneously.
But, if ISO does not make an attempt to gather this information with any seriousness, we will never know for sure.
steveyd 6/17/2005
Very interesting article with good supporting statistics.
One question... What I would like to know is how much of the slow down in ISO9000:2000 certification is a result of companies now obtaining more industry spedific standards.
e.g. here in Canada, Health Canada have mandated ISO13485 to sell medical devices into Canada. Before this mandate many of the organizations may have stuck with ISO9000:2000, now they are changing to a regulated standard thus dropping 9000. Ditto for ISO17025 (laboratories) where it may not be mandated but the organization sees more benefit in going for something more specific.
What is the uptake (if any) in automotive, aeronautical, medical device, laboratory etc etc related management standards?
What I am trying to say is this; is the slow down due to a decline in organizations not applying for 9000 or is it that organizations are now being regulated or see more benefit in going for more market specific management standards