Engineering

Tolerance stack-up

Worst case and RSS stack-ups from the dimensions you pick.

Tolerance stack-up in a minute

Pick the dimensions straight from the Inspector’s list, set the direction of each, and see the gap by worst case and by RSS with the formulas written out.

  • Asymmetric tolerances centred correctly
  • PASS / FAIL against your minimum and maximum gap
  • PDF report and Excel with live formulas
More in Measure & calculate

Tools that go with it.

New

Measure

Distance, path, area, angle and circles to the drawing’s scale; counts; CSV.

New

Fits & limits

ISO 286 limits for every H7 / g6 callout, written on the PDF.

New

Engineer’s calculators

Threads and tap drills, bolt torque, weight, bend allowance, hardness, units.

New

Tolerance heat map

Every dimension coloured by its IT grade, with the usual process.

New

Mechanical check

Shafts, keys, press fits and bolts checked, with the equations.

Try every tool, free for 3 days.

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