Spur & helical gear geometry and ISO 6336 strength

Simple Calculator Advanced Designer

Input Parameters

mm
x₁/x₂ = addendum modification. Σx > 0 reduces undercut & centres the gears apart.
°
mm
0 = auto (10·m spur / 12·m helical)
kW
rpm
h

Results

Geometry

Forces

Strength (ISO 6336)

    Simplified ISO 6336 / AGMA 2001 teaching model — confirm against the manufacturer catalogue and full standard before production.

    Preliminary Sizing

    Suggest a standard module from power / speed / ratio. Material, service, quality and life are taken from the inputs above.

    kW
    rpm
    °

    Schematic