Gear Train Speed Reduction Calculator

Calculate overall speed ratio, output speed, and torque for multi-stage gear trains. Handles compound gear trains with multiple pairs in series.

2D stress state at a point. All stresses in MPa.

σx — Normal Stress X (MPa)
σy — Normal Stress Y (MPa)
τxy — Shear Stress (MPa)
⚙ Mechanical Note: Results are based on standard textbook formulas and ISO/AASHTO references. Always verify critical designs with applicable codes (ISO 898, AASHTO 1993, AISC, Eurocode 3) and a qualified engineer.
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How to Use

Enter the values for the patient or scenario you are assessing. Calculate overall speed ratio, output speed, and torque for multi-stage gear trains. Handles compound gear trains with multiple pairs in series. Use the gear train speed reduction result to inform your clinical assessment.

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Frequently Asked Questions