MP-67 · TOLERANCES AND MANUFACTURING

RSS Tolerance Stack

Calculate a root-sum-square tolerance proxy from user-entered independent contributor tolerances.

Preliminary design support. Your inputs and results stay in this browser.

INPUTS

Next decision: Calculate worst-case tolerance stack

Want to learn more? Tolerance Stacks and Functional Datums

WHAT THIS SCREEN ANSWERS

RSS can describe a statistical stack only when its assumptions are stated and defensible. The page combines entered contributors through the root-sum-square relation without asserting capability. The value is useful only while its application context remains intact.

Correlation, distribution, datum scheme, process control, inspection, functional risk, and assembly condition can invalidate a casual RSS use. Confirm independence, distributions, capability evidence, functional requirement, datums, and validation plan. It is a reason to continue the decision chain.

RSS can describe a statistical stack only when its assumptions are stated and defensible. Correlation, distribution, datum scheme, process control, inspection, functional risk, and assembly condition can invalidate a casual RSS use. Use actual project values instead of borrowing an unnamed catalog condition.

The page combines entered contributors through the root-sum-square relation without asserting capability. Confirm independence, distributions, capability evidence, functional requirement, datums, and validation plan. The decision remains specific to this application because rss can describe a statistical stack only when its assumptions are stated and defensible. Keep this output with the drawing or concept it informed.