Customer Designated Special Characteristics - TS16949 Clause 7.2.1.1

mazura

Registered Visitor
#1
Hi

TS16949:2002 Requirements
Clause 7.2.1.1 Customer designated special characteristics

The organization shall demonstrate conformity to customer requirements for designation, documentation and control of special characteristics.


Can anybody explain what shall the organization do under the above clause?

Thanks.

Mazura
 
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T

Teri - 2011

#2
Hi

TS16949:2002 Requirements
Clause 7.2.1.1 Customer designated special characteristics

The organization shall demonstrate conformity to customer requirements for designation, documentation and control of special characteristics.

Can anybody explain what shall the organization do under the above clause?

Thanks.

Mazura
For us:
Using the customer's symbol for the special characteristic, if we don't 100% gage it, then we do spc to show conformance.
Danger: We have several customers and EACH of there customer specific requirement is different. (different symbols, reporting requirements, etc).
Make sure you know what your customer requirements are, they come before the standard!!
 
E

ElmerP

#3
This is what I understand,

Special characteristics are the characteristics that the customer wants the supplier to pay extra attention (form, fit or function). Those characteristics maybe designated by a special sysmbol which are usually found on the product drawings.

The standard requires the supplier to control (ex. by SPC), document (include in the suppliers procedures or standards) & Identify with the same symbols as used by the customer (if there is no symbol, the supplier may choose one to indicate importance).

If there is non specified by the customer, the customer representative or the most knowledgeable person about the customer (side) may choose which characteristic is important that needs special attention.

pls correct me if i'm wrong...

thank you
 
Q

quality.shesha

#4
Hi

TS16949:2002 Requirements
Clause 7.2.1.1 Customer designated special characteristics

The organization shall demonstrate conformity to customer requirements for designation, documentation and control of special characteristics.


Can anybody explain what shall the organization do under the above clause?

Thanks.

Mazura
You need to maintain a Cp/Cpk > 1.33(if not mentioned by the customer how much it should be) and in many cases it is specified by the customer. And I work for a major turbine manufacturing company and our requirement is >2.0.
Where ever the drawing calls for CCF/CTQ/Special characteristics(all are of the same meaning) for a parameter you need to maintain the Cp/Cpk and supply the component with the SPC result.
Normally the main idea behind mentioning a CTQ dimension in a drawing is, it will be a matching dimension with other assembly part and requires atmost care by the manufactures in order to maintain the fit/form/function of the part.
 
Q

quality.shesha

#5
This is what I understand,

Special characteristics are the characteristics that the customer wants the supplier to pay extra attention (form, fit or function). Those characteristics maybe designated by a special sysmbol which are usually found on the product drawings.

The standard requires the supplier to control (ex. by SPC), document (include in the suppliers procedures or standards) & Identify with the same symbols as used by the customer (if there is no symbol, the supplier may choose one to indicate importance).

If there is non specified by the customer, the customer representative or the most knowledgeable person about the customer (side) may choose which characteristic is important that needs special attention.

pls correct me if i'm wrong...

thank you
Hi,
You are almost right but,
it is not required to have the same symbols as used by the customer, but it should be a standard one as in the company across.
And more over for the manufacturers it is difficult to get the SPC for the ones mentioned by the customer.......
especially in this field acheiving the Cp/Cpk is a great thing as per the customer requirement.
 
C

CREED

#6
In our organization we track all special characteristics useing our SPC software program. this caculates a control chart and in the program also calculates the CPK valvue. This information is then reported in our monthly QOS meeting.
 
S

sunwen

#7
Hi

TS16949:2002 Requirements
Clause 7.2.1.1 Customer designated special characteristics

The organization shall demonstrate conformity to customer requirements for designation, documentation and control of special characteristics.


Can anybody explain what shall the organization do under the above clause?

Thanks.

Mazura
I think it means you should understand what your customer requirements, such as the specification for product, the documents form and so on!!! actually, for the special charascteristics, I think some customer notice it on the drawing or something, so it is easy to find it.

And also I think you should ask your customer to review your documents, so that you wont miss anything they want. LOL
 

antoine.dias

Quite Involved in Discussions
#8
Hi,
You are almost right but,
it is not required to have the same symbols as used by the customer, but it should be a standard one as in the company across.
Almost right too.

You can use your own symbol internally but when you ship towards your customer the identification should follow the customer requirements and symbols. :whip:

Best regards,

Antoine
 
S

sunwen

#9
Almost right too.

You can use your own symbol internally but when you ship towards your customer the identification should follow the customer requirements and symbols. :whip:

Best regards,

Antoine

But I think you can only notice on your documents the symbol's mean, so that your customer can understand, right?
 
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