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3-2-1 Location or n-2-1 Locating Scheme

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3-2-1 Location or n-2-1 Locating Scheme - definition(s)

3-2-1 Location or n-2-1 Locating Scheme

    1. 3 locators position part in a primary plane / direction
    2. 2 locators then position the part in a secondary direction
    3. 1 locator to position part in the tertiary direction

one could replace 2 & 3 with 2 round pins (one for a circular hole and other for a slot), pin locates part in two directions (in/out and fore aft), slot locates part in 1-direction (2-way).

[Category=Quality ]

Source: The Quality Portal, 28 April 2011 08:42:57, http://thequalityportal.com/glossary/s.htm External 

 

 

 


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