Application of Dimensional Management on 747 Fuselage

In today's competitive aircraft industry environment, new design, manufacturing, and assembly methods must be developed to lower costs and provide a more consistent product. One of the methods being implemented is Dimensional Management. Dimensional Management allows the evaluation of an entire manufacturing process and distribution of tolerances within that manufacturing process. Boeing has been working with Northrop-Grumman and several other suppliers to create a digital definition of the existing 747 fuselage design. This is part of an effort to implement a new manufacturing method known as Determinant Assembly. Dimensional Management plays a key role in implementing Determinant Assembly as well as incorporating into the engineering definition acceptance criteria that is better defined.

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