Operation Guide
Interpreting DTAS 3D Simulation Results
Understanding DTAS 3D Simulation Results
DTAS 3D uses Monte Carlo simulation to model product tolerances and assembly behavior, predicting dimensional compliance, yield rates, and root causes. Key outputs include:
1.Basic
Statistics
Max/min, mean, standard deviation, pass rate, skewness, kurtosis.
2.Fitted
Distribution Parameters
Distribution type (normal, uniform, gamma, beta, etc.) with quantile estimates
and deviation limits.
3.Confidence
Intervals
Probability‑based ranges (e.g., for the mean) indicating where the true
parameter value likely lies.
4.Sensitivity & Contribution Metrics
Transfer Coefficient – Geometric sensitivity of each feature (approximates ∂output/∂input).
Contribution Rate – Combined effect of sensitivity and tolerance magnitude (calculated via extreme‑value or statistical methods).
These results enable targeted design optimization by highlighting critical tolerances and variation drivers.

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About DTAS
As a high‑tech company specializing in product‑development tolerance analysis,
we follow the principle of “technology‑driven, service‑first.” We
deliver advanced engineering software and consulting to optimize workflows,
improve tool utilization, and translate advanced methods into real
manufacturing advantage.
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