Motor Model Check

Compare required torque/speed against a motor's rated data.

Motor rated torque (N.m)

Motor holding torque (N.m)

Motor max speed (rpm)

Motor rotor inertia (kg.m2)

Required torque (N.m)

Required speed (rpm)

Reflected load inertia (kg.m2)

Formulas

Torque margin  : Trated / Treq   (want > 1)
Speed margin    : Nmax / Nreq      (want > 1)
Inertia ratio   : JL / JM          (servo ~1-5, stepper <30)

Keep torque/speed margins > 1 and inertia ratio in the safe range.

Motor Model Check

Result

Formulas