Tolerance Chain Visual
Hover over the image for a detailed view.
1. Chain Components
Enter each dimension and its sign convention as it affects the final gap. If increasing the dimension reduces the gap, use the negative sign; if it increases the gap, use the positive sign.
2. Analysis & Results
The final calculated gap based on a Worst Case summation.
Gap Range by Method
Worst Case
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RSS (±3σ)(Normal; 99.73% Conf.)
RSS assumes independent contributors with normal distribution; each asymmetric band is treated as ±3σ, so σ = band width / 6.
ISO 286/2768 Tolerance Assistant
Find ISO tolerance limits for a dimension.
Enter a dimension to see limits.