Tolerance Design

Written by Tara Peris
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Tolerance design is an aspect of the Six Sigma, or DFSS approach to optimizing product development. It is a scientific method for evaluating variability in product performance, and it is fast gaining popularity in several fields. Via simulated experiments, both internal and environmental influences can be evaluated and adjusted in order to improve the quality of the target item. As a result, defects are minimized and overall production costs are curbed as well.

Tolerance design has a number of strengths, each of which contributes to a stronger overall product. Foremost among these is the quick development that this approach facilitates. Specifically, it allows a product to be developed and produced in the most efficient manner possible, thereby saving time and money.

Tolerance Design to Improve Your Product
In addition, because of the experimental design it employs, highly accurate forecasting can be conducted. This allows one to prevent unforeseen disaster at the outset, and it can make the planning process considerably easier. Collectively, these factors allow your product to be the best it can be.

How does it work? By using old fashioned statistics, of course. Drawing on an old-school approach called Monte Carlo analysis, tolerance design runs a string of experiments to test out different permutations of a design and to evaluate different outcomes. The possibilities with this technique are endless, but there is only one acceptable outcome and that is a top-of-the-line product.


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