Documentation/Modules/Module

Module

Sun, planet and ring sizing for target ratio

Standards catalog

Validation: indicative · Method band: formula

Open calculator

Indicative method: Indicative closed-form or numerical model

Assumptions

  • Linear elastic material behavior unless noted otherwise.
  • User is responsible for load combinations and load factors per the selected design code.

Limitations

  • Does not replace a licensed professional engineer or official code compliance review.

Engineering checks

CheckINDUSEUISO
Actual ratio vs targetimplemented

Module (planetary-gears)

Ring teeth $z_r = z_s + 2 z_p$; ratio $1 + z_r/z_s$; planet count from spacing.

Maintainer note: Planetary tooth count sizing.