G11 material

QCJS

U can't change a person but u can change yourself
#1
Hi all,

I have an issue. I'm a QC Inspector & I do like to reject stuff just because the designers call for reject, unless of course if the reject is an obvious error.

The designer used G11 material but did not specify the colour. As a result, a black part was sent to us. On checking with the supplier, the supplier argued that the correct material used was indeed G11 and provided us with the COC and the website which they purchased from. My query is: Does the designer need to specify the colour of the G11 material before releasing the drawing in this case? Does he did to specify G11 Natural if he wants a white piece?
 
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QCJS

U can't change a person but u can change yourself
#3
Yes, Wynne. That is UHMWPE, this is G11. Both drawings are drawn by the same designer. He is a tough one. Because he assumes that the part should come as he expected:cry: & am very troubled when he just call for reject
 

Ron Rompen

Trusted Information Resource
#6
Agree with Jim 100%. If there is a possible variation (color, texture, surface finish, etc) and you want a specific variation, then it MUST be specified. I have run into this several times over the years, (designers expecting a certain characteristic, and getting something else) and each time I have successfully argued that our product met the requirements AS STATED.
 

Jim Wynne

Staff member
Admin
#7
Agree with Jim 100%. If there is a possible variation (color, texture, surface finish, etc) and you want a specific variation, then it MUST be specified. I have run into this several times over the years, (designers expecting a certain characteristic, and getting something else) and each time I have successfully argued that our product met the requirements AS STATED.
The engineer or purchasing person says, indignantly, "Don't give me what I asked for, give me WHAT I WANT!"
 
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