There’s a direct, one-to-one relationship. These companies define quality in terms of production yield and reliability, which reflect the probability of defects given an overall number of units produced. When engineers perform tolerance analysis during design, they essentially are converting design intent into a statistical or probability-based model design. The model predicts the probable yield loss for the design, or the number of rejected parts per total produced that will cause a customer to be dissatisfied. Proper tolerancing can help designers pinpoint and avoid the problems that lead to rejected parts and thereby eliminate the non-value-added cost that damages profitability.
Sigmetrix Software Solutions utilize probability-based model designs by allowing designer to create 3D GD&T calculations within their modeling software during the design phase of the product. Thus creating a statistically viable product tolerances & quality measures before manufacturing parts and parts assemblies.
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