Do we reject a component with a linemark?

This topic has 4 replies, 5 voices, and was last updated 18 years ago by Dudley.

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February 26, 2003 at 2:42 am #31573

Radheshyam
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Say for example:
A bore with tolerance of 10 microns.
During boring operation, some times due to chip clogging, a line mark could appear, which can only be seen but not measurable. As the bore surface quality improves, this line mark is more prominent.
Technically speaking, Do we need to scrap / rework the component ?
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February 26, 2003 at 6:10 am #83317

Hemanth
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This may not be the right forum. One good site I know of is http://www.allexperts.com
hope this was helpful
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February 26, 2003 at 9:19 am #83322

A.B
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Business Speaking : How your service ( operations ) is ( are ) affected by ?
Quality Speaking – What is the opinion of your Quality Dept ?
A.B
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February 26, 2003 at 4:07 pm #83342

Loehr
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Hi,
Does the presence of a line mark affect either the form, fit or function of this part? If it does, then the line mark is a problem. In addition, what does your customer think of line marks?
Hope these questions prove helpful.
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February 26, 2003 at 5:05 pm #83345

Dudley
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If it cannot be measured and the bore meets specifications, it is not a nonconformance.
If source of linemark is known, fix line clogging problem using DMAIC. Defect is binomial–has linemark or not.
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