Many companies have developed an addendum to the Y14.5 standard. This addendum can be used to:
- select an option from within Y14.5M.
Example: The Standard offers 5 ways to control coaxiality. Some are more economical and functional than others.
- clarify a concept from Y14.5M.
Example: Applying MMC is not well explained in the Standard.
- include a concept not covered in Y14.5M.
Example: Terms such as wall thickness or corner break are not defined in the Standard.
- discourage the use of a concept from Y14.5M that does not fit your business.
Example: Symmetry is difficult to measure and is rarely, if ever, functional.
- benchmark other successful corporations.
Example: Several automotive, aerospace and machine tool companies have developed corporate addendums.
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When developing your corporate addendum, be careful not to reinvent the wheel. Some companies have gone overboard with an addendum that causes more confusion than clarity. A 10- to 20-page document is usually sufficient. |
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